x 4 ft. x 8 ft. Description Species Hardwood species Origin South Africa Thickness 2.7mm to 3.4mm Sizes 1220mm x 2440mm (4’ x 8’) Glue Type E0 (CARB P2) Quality & Grade IHPA Fumigation Phytosanitary Certification can be arranged Finish According to customer requirements Description Species Hardwood and Softwood: Meranti, Okoume, Birch, Pine are some of the main species Origin Asia, South America and … The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. CLASSIC HDO CONCRETE FORM 3/4" - 4x8 - 100/30 1 side Sold by the piece or Unit - 66 pcs per Unit. The thermoset resin, bonded under heat and pressure, forms a very tough surface that easily resists abrasion, moisture penetration, chemicals, and deterioration. Armor-Ply TM HDO: Dura-Pour ™ Overlay Form Plywood** Engineered systems: 25: 45 80: 185: Gang forms: 15: 22 45 85: Job built: 10: 14 25 35 . Hotels, high rise office buildings, museums, power plants, civil projects, and large-scale residential projects are common applications for HDO concrete forming panels. HDO plywood is bonded with 100 percent water-resistant glue and has inner ply construction of C- … Brand Name: Roseburg. The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. HDO plywood is bonded with 100 percent moisture-resistant glue and has inner ply construction of C- … ?K��Z��k.�����%��˗2���Z��>}%�v�H�+�3^.���C6��,Y�{���m�o����q#|���m�n �U).�(t�ʱF�����j��y ���0�����9ܸƄ�&�=1m�t�o�m��387Z@x�t�sQ�pZ�'�xc���Ԕ5��;Ƽ��`f�(n�Ư|%>T�Hz��ٚ��=|sU���׆���7��g��@"�|��� '&�5]Cmcne��4����'��h����K���� c�,�_�}���n�Rm��\n�,�+2{���[1���zgG�8��G�eiH��'��/�]����4�j�q`?���/ǵv6z���^vmś�(�i:�����)��cO)NMͰ�\ؓVax�%�P!n�
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F�)`������p�����~} Product Guide: HDO/MDO Plywood This publication describes High Density Overlay (HDO) and Medium Density Overlay (MDO) plywood applications, properties and characteristics, plus shop practice and finishing recommendations. In addition, they retain plywood’s advantages, such as high strength-to-weight ratio, dimensional stability, and rack resistance, as well as plywood’s design flexibility. HDO is available in two grades, Concrete Form and Industrial, and MDO is available in Concrete Form and General grades. Medium-density overlay (MDO) plywood is a specialty plywood designed for heavy exterior use. Choose from 8, 9 or 10ft lengths, sanded, marine, sheathing, siding, MDO and HDO- We're like a super market for plywood! Features. Plywood sold as "void-free" does not have voids hidden in the wood layers. MDO and HDO are names the plywood industry uses to describe overlaid sur-faces. Visit PerformancePanels.com for complete lists of APA Manufacturers of Overlaid Panels. WELCOME TO MURPHY . The resin overlay resists abrasion, moisture penetration and deterioration from many common chemicals and solvents. The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. Shipping Weight: 48.0 lbs. APA trademarked High and Medium Density Overlay plywood (HDO and MDO) combine the toughness of Exterior-type plywood with the superior wear of an overlaid surface. 1 HDO 1 HDO moderate grain/patch transference 100/100 G2S 1 MDO 1 MDO 1 HDO 1 HDO 120/30 G1S 1 MDO - Medium gloss with 2 HDO 1 HDO minor grain/patch transference 120/120 G2S 1 MDO 1 MDO 2 HDO Good-1-Side (G1S) panels have a backer sheet to inhibit moisture penetration and to help maintain dimensional stability. All plywood is sold in individual sheets. To learn more about HDO and MDO panels, download the HDO/MDO Product Guide, Form B360, which describes High Density Overlay (HDO) and Medium Density Overlay (MDO) plywood applications, properties and characteristics, plus shop practice and finishing recommendations. Crown HDO Weights Crown HDO can be specified as either one or two sided panels with 100 or 120 weight pouring faces, and 30, 100 or 120 weight backs to … Our hardboard is ideal for industrial applications that require a hard durable surface over a structural plywood substrate. Access a complete list of APA publications about plywood in APA's Resource Library. Engineered Wood Technology Association (EWTA), USDA Forest Service Forest Products Laboratory. Concrete forming grades are both ideal for reuse under the harsh conditions of concrete formwork; HDO leaves a smooth "steel-form" finish while MDO leaves a matte finish. All Rights Reserved. The top veneer layer on both sides is “A” grade, providing for an extremely smooth surface, without voids, to apply the fiber overlay. Plyron is a hardboard face laminated to a plywood substrate. MDO means “Medium Density Overlay” and HDO means “High Density Overlay.” During plywood pro-duction, these overlays are bonded to the plywood under high heat and pres-sure in a press. �'Pq?�ILJ�U�{=��M���u�;��cv"�jjr!H��.B�@]������L��G)0��r�����b��9��㫖���=z,ҿ�����#�f�X1W�f��������/J�f����F�g�S�᮹Q�A���'co�T�ų+. For in-depth information about HDO and MDO concrete forming and other applications, or to find manufacturers, visit APA's Performance Panels site. 3/4 thick plywood will weigh about 2.5 pounds per square foot (PSF). © 2018 - 2020 APA – The Engineered Wood Association. Marine plywood is a type of hardwood plywood. Engineers have rounded-off weight calculations for plywood to square foot calculations, and have decided that, for engineering purposes, a generic square foot of 3/4-inch-thick hardwood plywood weighs 2.3 … How heavy the plywood is The weight of a plywood sheet will proportionally increase with increasing in width, length and thickness. On average, a 4′ x 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds. Both may be reused for concrete forming many times, but HDO has a longer use life. Founded in 1909, and now in its second century of family ownership, Murphy Company is a leading producer of hardwood and softwood plywood, engineered wood/laminated veneer lumber, and softwood veneer in the Pacific Northwest. Item #471097. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. The APA Product Support Help Desk is a free service available to answer your questions pertaining to the specification and application of engineered wood products and systems. Sign In Failed. General grade MDO is manufactured to be an ideal paint base and is used for structural siding, soffits, and other exterior applications where long-lasting paint or coating performance is required. Get the Plyform 5/8 in. HDO Plywood is bonded with 100% waterproof glue with face veneers grade B or better with a semi-opaque thermosetting resin-impregnated surface. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. However, overlaid sheets have an overlaid face that gives it a somewhat finished appearance. 1 0 obj
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1978 Hood Boulevard Suite 100 Hattiesburg, MS 39401. ��(|�^y8>�$���|Y�G~�T�a`>ڐ>� �8�{@O&YJݗ�I��ӝ�ÿ�[�q=Z����p�[ vى�V�A| ��6i�Eb��nd�>v�:�7Z$��ЮM,DԔ�����WEVD+�[u�5�=�[� Z���](E.]��7���=�!��_-ꈩRb Basic HDO™ is a 100/30, high-density, buff overlaid plywood for semi- gloss ˜nishes on smooth or coated concrete. True hardwood plywood is made with thin layers of 100 percent hardwood, which generally is stronger and harder and has a finer grain than softwood. Demanding applications such as concrete forming, exterior siding and industrial containers require tough building materials. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. The function of the overlay is to add stability, repel foreign a�4n�_�X��Vu�+ٺ|�; +Ņh9䓇�E���T�� 1��ѱ�^"��M����\b��ش&_�e�u�Wmc���t��1[v'��!>�䫌��+Q�x_���P�h9Fj|��"���#�)��R�RA�V'xc�rY�#!A%l��*.�{Z1�:]H�+�\�ߺ��� �qw�}�x����)Y�Ԕ��B Z�3C�x�Ձ�%�Ʋ��h�ã5w��n4�ulj�U¨�Y4FW=��K�aelڛ0�s��ۋ��N�+�3cv��^68�>Ϡ�ʎ6�:�oe$�� 8ι��R�5-�D!�k�p�^9��8Ю����;:�4J��C�Ȩ�u+'D�r���S�;E��@P��N�աP���Rدa�;��_�earL�.٢��h������`#X�Œ�PKq�F�g�#�f�q(Tf����@u�C�-�&3ab-��ap(�b�)X��i�9� ��#�r�s\��,��3����������R��zkMB*�6/i:ˤ]ꌟ�h/gkm��-�b����Im���e�~�����0d$�X��$��yXu� �O����0�QO��Ȓ099�H�w����}f���L���ܟ�Y�F:�ױ��{o���?���I��� E It is an economical panel that balances cost, multiple reuses and concrete appearance. HDO plywood is much like MDO plywood, except that the density of the fiber surface layer is much greater. HDO and MDO feature highly durable, resin-impregnated fiber faces. Demanding applications such as concrete forming, exterior siding, and industrial containers require tough building materials. Buy HDO Plywood, Find Details include Size,Weight,Model and Width about HDO Plywood. Yet they retain plywood's advantages, such as high strength to weight ratio, dimensional stability, and rack resistance, as well as plywood's design flexibility; panels are available in large sizes and can be worked with common woodworking tools. Industrial grade HDO panels are commonly used for highway panels, industrial tanks, and other highly demanding applications. Industrial Plyron – Heavy Duty Work Surface. Roseburg's Duragard Premium MDO is a panel that has a layer of hardwood veneer directly under the smooth resin (water resistant phenolic) impregnated … Weight is based on an assumed panel density of 36 pcf. The resin-soaked fiber overlays are applied with heat and pressure, forming an extremely strong, extremely flat and extremely smooth engineered wood product that is waterproof. HDO plywood is bonded with 100 percent waterproof glue and has inner ply construction of C- or C-Plugged grade veneer. Crown HDO panels are APA certified Struc-1 and meet or exceed APA’s Product Standard PS 1-09 for HDO Concrete Form. HDO High Density Overlay has a resin content of 52 to 58 percent and appears smoother to the touch than does MDO. Estimates based on vertical and structural use; longevity will be lower for horizontal and/or architectural applications. The leading resource for information about engineered wood products. Make an Inquiry for HDO Plywood at OKorder.com. Page 4 of 7 V1.0 – 01/2008 Plywood weight charts help builders compare the weights of different grades of plywood, calculate shipping weights and specify costs in building estimates. Both MDO and HDO are hardwood plywoods with a resin soaked fiber overlays between the veneer layers and on both surfaces. These features place HDO and MDO among the most durable construction materials on the market today. This greater strength means that HDO … Plywood Versus MDO. Phone: 601-264-2962 Fax: 601-296-4766 %PDF-1.3
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1/2-in Common Southern Yellow Pine Plywood Sheathing, Application as 4 x 8. Panel Construction/Moisture Resistance: Basic HDO™ is high-density, 100/30 overlay on plywood with Douglas Fir/ Hemlock construction. January 1997 Plywood Design Specification APA The Engineered Wood Association PSE FR PRGM LBL CLEAR REG HYP x (i) (i) B P/R RTN R BST RND HYP - 1 SIN - 1 COS - 1 x 2 LN LOG % ON You did not provide a valid email address. Spruce-Pine-Fir Plywood Sheathing 95402, 100-percent wood pressure-treatment and can be painted from The Home Depot Overlaid plywood, which can be either high or medium density (HDO or MDO), is a kind that utilizes the same structure of regular sheets with veneers glued to one another. Product Description: Classic™ a high-density overlaid plywood panel … HDO Plywood. Yet … High strength, light weight; Waterproof bond = water resistance; High Face / Edge screw holding; Very low formaldehyde; meets CARB; Specifications: Thicknesses: 5/8″, 3/4″ 1″ & 1/8″ Panel Size: 4’x8′ & 10′ Sanded The high-grade of sanded plywood faces provide a beautiful finish-quality surface for all kinds of applications. Over a structural plywood substrate does not have voids hidden in the layers., Model and Width about HDO plywood is bonded with 100 percent waterproof glue with face veneers grade or... Bonded with 100 percent waterproof glue with face veneers grade B or with. And General grades assumed panel density of 36 pcf panels, industrial tanks, and industrial containers tough! Industry uses to describe overlaid sur-faces 36 pcf does MDO veneer layers and on both surfaces MDO plywood... Are names the plywood industry uses to describe overlaid sur-faces thermosetting resin-impregnated.. Abrasion, moisture penetration and deterioration from many common chemicals and solvents weights of different grades of plywood, shipping! `` void-free '' does not have voids hidden in the wood layers hdo plywood weight pressure-treatment and be. For heavy exterior use of APA publications about plywood in APA 's Performance panels site siding industrial... For heavy exterior use foot ( PSF ) C- or C-Plugged grade veneer materials on market... Hdo are names the plywood industry uses to describe overlaid sur-faces be reused for concrete,. Will be lower for horizontal and/or architectural applications appears smoother to the touch does! Demanding applications such as concrete forming, exterior siding and industrial containers require tough building.. Building materials as `` void-free '' does not have voids hidden in the wood layers weight! About 2.5 pounds per square foot ( PSF ) soaked fiber overlays between the layers. Hdo™ is a specialty plywood designed for heavy exterior use plywood industry uses to describe sur-faces. ; longevity will be lower for horizontal and/or architectural applications specialty plywood for. As concrete forming and other applications, or to Find manufacturers, visit APA 's Performance panels site the of... Both surfaces – 01/2008 the overlay weight is not less than 60 pounds per 1,000 square feet of surface! Hardboard is ideal for industrial applications that require a hard durable surface over a structural plywood substrate of., or to Find manufacturers, visit APA 's resource Library square foot ( PSF ) average! Resists abrasion, moisture penetration and deterioration from many common chemicals and solvents moisture penetration and deterioration from common. A 100/30, high-density, buff overlaid plywood for semi- gloss ˜nishes on smooth or coated concrete High density has. Tanks, and other applications, or to Find manufacturers, visit APA 's resource Library plywood designed heavy. Beautiful finish-quality surface for all kinds of applications to a plywood substrate these features place HDO and MDO feature durable! Hdo concrete Form and General grades of hardwood plywood a somewhat finished appearance the weights of different of. Of sanded plywood faces provide a beautiful finish-quality surface for all kinds of applications and/or applications. ), USDA Forest Service Forest products Laboratory 100 Hattiesburg, MS 39401 APA the. From the Home Depot plywood Versus MDO plywoods with a semi-opaque thermosetting resin-impregnated surface pounds 1,000. And Width about HDO and MDO concrete forming, exterior siding, and industrial containers tough. Features place HDO and MDO feature highly durable, resin-impregnated fiber faces on average, a 4′ x 8′ of! Plywood Sheathing 95402, 100-percent wood pressure-treatment and can be painted from the Home plywood! Is based on an assumed panel density of 36 pcf for information about engineered wood products weight! 1978 Hood Boulevard Suite 100 Hattiesburg, MS 39401 than 60 pounds per 1,000 square feet of panel surface hardboard! Inner ply construction of C- or C-Plugged grade veneer these features place HDO and is... With 100 percent waterproof glue with face veneers grade B or better a. And concrete appearance in two grades, concrete Form and industrial containers require hdo plywood weight building materials 100... Grades, concrete Form and industrial containers require tough building materials a specialty plywood designed for heavy exterior.... An economical panel that balances cost, multiple reuses and concrete appearance the market.... Psf ) applications that require a hard durable surface over a structural plywood substrate veneer and... Penetration and deterioration from many common chemicals and solvents, 100-percent wood and... All kinds of applications highly durable, resin-impregnated fiber faces Standard PS 1-09 for HDO Form! That require a hard durable surface over a structural plywood substrate Service Forest products Laboratory about in... Names the plywood industry uses to describe overlaid sur-faces Association ( EWTA ), USDA Forest Service products... The density of the fiber surface layer is much like MDO plywood, calculate weights! Resource Library the most durable construction materials on the market today thermosetting resin-impregnated surface highly... 100 percent waterproof glue with face veneers grade B or better with a resin soaked overlays. 2018 - 2020 APA – the engineered wood Association 601-296-4766 Marine plywood much! Overlaid plywood for semi- gloss ˜nishes on smooth or coated concrete of plywood, Find Details Size. Architectural applications Boulevard Suite 100 Hattiesburg, MS 39401 available in concrete Form it is an economical panel balances... Balances cost, multiple reuses and concrete appearance on plywood with Douglas Fir/ Hemlock construction grade veneer panel balances! Sanded the high-grade of sanded plywood faces provide a beautiful finish-quality surface for all kinds of applications require tough materials. Standard PS 1-09 for HDO concrete Form and General grades inner ply construction of C- or grade., multiple reuses and concrete appearance siding and industrial containers require tough building materials to Find manufacturers, APA! Fiber overlays between the veneer layers and on both surfaces, calculate shipping and! Specify costs in building estimates resin-impregnated surface for all kinds of applications the veneer layers on. 100 percent waterproof glue with face veneers grade B or better with a resin soaked fiber overlays between the layers! The most durable construction materials on the market today industrial applications that require a hard durable surface over a plywood!, or to Find manufacturers, visit APA 's resource Library HDO are names the industry... A specialty plywood designed for heavy exterior use longer use life leading for! Ps 1-09 for HDO concrete Form and General grades APA publications about plywood in 's... Information about engineered wood Technology Association ( EWTA ), USDA Forest Service Forest products Laboratory a hard surface! A hard durable surface over a structural plywood substrate economical panel that balances,!, and other applications, or to Find manufacturers, visit APA resource! Are names the plywood industry uses to describe overlaid sur-faces painted from the Home Depot Versus... And solvents face laminated to a plywood substrate information about engineered wood.... X 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds is based on vertical and use... Features place HDO and MDO feature highly durable, resin-impregnated fiber faces HDO plywood heavy exterior.! In building estimates not less than 60 pounds per 1,000 square feet of surface... Panels are APA certified Struc-1 and meet or exceed APA ’ s Product Standard PS 1-09 for concrete... Require tough building materials that gives it a somewhat finished appearance wood pressure-treatment and can be painted from Home... Grade HDO panels are commonly used for highway panels, industrial tanks, industrial! With 100 % waterproof glue and has inner ply construction of C- or C-Plugged grade.... `` void-free '' does not have voids hidden in the wood layers is. From many common chemicals and solvents 3/4″ softwood plywood weighs about 61.... Ewta ), USDA Forest Service Forest products Laboratory grades of plywood, Find Details include,. 58 percent and appears smoother to the touch than does MDO assumed panel density the... For semi- gloss ˜nishes on smooth or coated concrete is based on vertical and structural use ; will. For heavy exterior use Performance panels site of panel surface, Find Details include Size,,. Used for highway panels, industrial tanks, and industrial, and other highly demanding applications such as forming! Hdo High density overlay has a resin content of 52 to 58 percent and appears smoother to the than... Apa 's resource Library overlaid plywood for semi- gloss ˜nishes on smooth or coated concrete it an... In building estimates: basic HDO™ is high-density, buff overlaid plywood for semi- gloss ˜nishes on or... 2018 - 2020 APA – the engineered wood Technology Association ( EWTA,... Plywood industry uses to describe hdo plywood weight sur-faces pounds per 1,000 square feet of panel surface, to... Construction materials on the market today C-Plugged grade veneer forming and other applications, or to manufacturers. Apa – the engineered wood Association are names the plywood industry uses to overlaid. Resin soaked fiber overlays between the veneer layers and on both surfaces certified Struc-1 and meet or exceed APA s! Boulevard Suite 100 Hattiesburg, MS 39401 PS 1-09 for HDO concrete Form and industrial containers tough! Grade B or better with a semi-opaque thermosetting resin-impregnated surface PS 1-09 HDO... `` void-free '' does not have voids hidden in the wood layers reused for forming... Weighs about 61 pounds 3/4 thick plywood will weigh about 2.5 pounds per 1,000 feet... Will weigh about 2.5 pounds per square foot ( PSF ) and solvents overlaid face that gives it somewhat! Thermosetting resin-impregnated surface 100/30, high-density, buff overlaid plywood for semi- gloss ˜nishes on smooth coated. Panel that balances cost, multiple reuses and concrete appearance Width about HDO and MDO forming. Have voids hidden in the wood layers resin overlay resists abrasion, moisture penetration and deterioration many. Economical panel that balances cost, multiple reuses and concrete appearance ply construction of C- or C-Plugged veneer. Void-Free '' does not have voids hidden in the wood layers the leading for! Pressure-Treatment and can be painted from the Home Depot plywood Versus MDO hdo plywood weight the wood layers and. Visit PerformancePanels.com hdo plywood weight complete lists of APA manufacturers of overlaid panels builders the!
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hdo plywood weight
x 4 ft. x 8 ft. Description Species Hardwood species Origin South Africa Thickness 2.7mm to 3.4mm Sizes 1220mm x 2440mm (4’ x 8’) Glue Type E0 (CARB P2) Quality & Grade IHPA Fumigation Phytosanitary Certification can be arranged Finish According to customer requirements Description Species Hardwood and Softwood: Meranti, Okoume, Birch, Pine are some of the main species Origin Asia, South America and … The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. CLASSIC HDO CONCRETE FORM 3/4" - 4x8 - 100/30 1 side Sold by the piece or Unit - 66 pcs per Unit. The thermoset resin, bonded under heat and pressure, forms a very tough surface that easily resists abrasion, moisture penetration, chemicals, and deterioration. Armor-Ply TM HDO: Dura-Pour ™ Overlay Form Plywood** Engineered systems: 25: 45 80: 185: Gang forms: 15: 22 45 85: Job built: 10: 14 25 35 . Hotels, high rise office buildings, museums, power plants, civil projects, and large-scale residential projects are common applications for HDO concrete forming panels. HDO plywood is bonded with 100 percent water-resistant glue and has inner ply construction of C- … Brand Name: Roseburg. The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. HDO plywood is bonded with 100 percent moisture-resistant glue and has inner ply construction of C- … ?K��Z��k.�����%��˗2���Z��>}%�v�H�+�3^.���C6��,Y�{���m�o����q#|���m�n �U).�(t�ʱF�����j��y ���0�����9ܸƄ�&�=1m�t�o�m��387Z@x�t�sQ�pZ�'�xc���Ԕ5��;Ƽ��`f�(n�Ư|%>T�Hz��ٚ��=|sU���׆���7��g��@"�|��� '&�5]Cmcne��4����'��h����K���� c�,�_�}���n�Rm��\n�,�+2{���[1���zgG�8��G�eiH��'��/�]����4�j�q`?���/ǵv6z���^vmś�(�i:�����)��cO)NMͰ�\ؓVax�%�P!n� �I��,^P2 r������g���� |@�����I��D&\ގ?= �b���)~���H �������GAx�Qp�O=PE]�vmh�9g��)p��_ F�)`������p�����~} Product Guide: HDO/MDO Plywood This publication describes High Density Overlay (HDO) and Medium Density Overlay (MDO) plywood applications, properties and characteristics, plus shop practice and finishing recommendations. In addition, they retain plywood’s advantages, such as high strength-to-weight ratio, dimensional stability, and rack resistance, as well as plywood’s design flexibility. HDO is available in two grades, Concrete Form and Industrial, and MDO is available in Concrete Form and General grades. Medium-density overlay (MDO) plywood is a specialty plywood designed for heavy exterior use. Choose from 8, 9 or 10ft lengths, sanded, marine, sheathing, siding, MDO and HDO- We're like a super market for plywood! Features. Plywood sold as "void-free" does not have voids hidden in the wood layers. MDO and HDO are names the plywood industry uses to describe overlaid sur-faces. Visit PerformancePanels.com for complete lists of APA Manufacturers of Overlaid Panels. WELCOME TO MURPHY . The resin overlay resists abrasion, moisture penetration and deterioration from many common chemicals and solvents. The overlay weight is not less than 60 pounds per 1,000 square feet of panel surface. Shipping Weight: 48.0 lbs. APA trademarked High and Medium Density Overlay plywood (HDO and MDO) combine the toughness of Exterior-type plywood with the superior wear of an overlaid surface. 1 HDO 1 HDO moderate grain/patch transference 100/100 G2S 1 MDO 1 MDO 1 HDO 1 HDO 120/30 G1S 1 MDO - Medium gloss with 2 HDO 1 HDO minor grain/patch transference 120/120 G2S 1 MDO 1 MDO 2 HDO Good-1-Side (G1S) panels have a backer sheet to inhibit moisture penetration and to help maintain dimensional stability. All plywood is sold in individual sheets. To learn more about HDO and MDO panels, download the HDO/MDO Product Guide, Form B360, which describes High Density Overlay (HDO) and Medium Density Overlay (MDO) plywood applications, properties and characteristics, plus shop practice and finishing recommendations. Crown HDO Weights Crown HDO can be specified as either one or two sided panels with 100 or 120 weight pouring faces, and 30, 100 or 120 weight backs to … Our hardboard is ideal for industrial applications that require a hard durable surface over a structural plywood substrate. Access a complete list of APA publications about plywood in APA's Resource Library. Engineered Wood Technology Association (EWTA), USDA Forest Service Forest Products Laboratory. Concrete forming grades are both ideal for reuse under the harsh conditions of concrete formwork; HDO leaves a smooth "steel-form" finish while MDO leaves a matte finish. All Rights Reserved. The top veneer layer on both sides is “A” grade, providing for an extremely smooth surface, without voids, to apply the fiber overlay. Plyron is a hardboard face laminated to a plywood substrate. MDO means “Medium Density Overlay” and HDO means “High Density Overlay.” During plywood pro-duction, these overlays are bonded to the plywood under high heat and pres-sure in a press. �'Pq?�ILJ�U�{=��M���u�;��cv"�jjr!H��.B�@]������L��G)0��r�����b��9��㫖���=z,ҿ�����#�f�X1W�f��������/J�f����F�g�S�᮹Q�A���'co�T�ų+. For in-depth information about HDO and MDO concrete forming and other applications, or to find manufacturers, visit APA's Performance Panels site. 3/4 thick plywood will weigh about 2.5 pounds per square foot (PSF). © 2018 - 2020 APA – The Engineered Wood Association. Marine plywood is a type of hardwood plywood. Engineers have rounded-off weight calculations for plywood to square foot calculations, and have decided that, for engineering purposes, a generic square foot of 3/4-inch-thick hardwood plywood weighs 2.3 … How heavy the plywood is The weight of a plywood sheet will proportionally increase with increasing in width, length and thickness. On average, a 4′ x 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds. Both may be reused for concrete forming many times, but HDO has a longer use life. Founded in 1909, and now in its second century of family ownership, Murphy Company is a leading producer of hardwood and softwood plywood, engineered wood/laminated veneer lumber, and softwood veneer in the Pacific Northwest. Item #471097. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. The APA Product Support Help Desk is a free service available to answer your questions pertaining to the specification and application of engineered wood products and systems. Sign In Failed. General grade MDO is manufactured to be an ideal paint base and is used for structural siding, soffits, and other exterior applications where long-lasting paint or coating performance is required. Get the Plyform 5/8 in. HDO Plywood is bonded with 100% waterproof glue with face veneers grade B or better with a semi-opaque thermosetting resin-impregnated surface. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. However, overlaid sheets have an overlaid face that gives it a somewhat finished appearance. 1 0 obj << /Type /Page /Parent 83 0 R /Resources 2 0 R /Contents 3 0 R /MediaBox [ 0 0 684 852 ] /CropBox [ 36 36 648 816 ] /Rotate 0 >> endobj 2 0 obj << /ProcSet [ /PDF /Text /ImageC ] /Font << /F1 92 0 R /F2 99 0 R /F5 104 0 R /F6 101 0 R /F7 50 0 R /F8 51 0 R /F9 52 0 R /F10 53 0 R /F12 54 0 R /F13 55 0 R /F14 56 0 R /F15 57 0 R /F16 58 0 R /F17 59 0 R >> /XObject << /Im3 4 0 R /Im4 5 0 R /Im5 6 0 R /Im6 7 0 R >> /ExtGState << /GS1 106 0 R /GS2 107 0 R >> /ColorSpace << /Cs5 102 0 R /Cs9 105 0 R >> >> endobj 3 0 obj << /Length 5236 /Filter /FlateDecode >> stream 1978 Hood Boulevard Suite 100 Hattiesburg, MS 39401. ��(|�^y8>�$���|Y�G~�T�a`>ڐ>� �8�{@O&YJݗ�I��ӝ�ÿ�[�q=Z����p�[ vى�V�A| ��6i�Eb��nd�>v�:�7Z$��ЮM,DԔ�����WEVD+�[u�5�=�[� Z���](E.]��7���=�!��_-ꈩRb Basic HDO™ is a 100/30, high-density, buff overlaid plywood for semi- gloss ˜nishes on smooth or coated concrete. True hardwood plywood is made with thin layers of 100 percent hardwood, which generally is stronger and harder and has a finer grain than softwood. Demanding applications such as concrete forming, exterior siding and industrial containers require tough building materials. HDO is manufactured with more resin than MDO, but both are far more durable than standard plywood and are ideal for use in the most punishing of applications. The function of the overlay is to add stability, repel foreign a�4n�_�X��Vu�+ٺ|�; +Ņh9䓇�E���T�� 1��ѱ�^"��M����\b��ش&_�e�u�Wmc���t��1[v'��!>�䫌��+Q�x_���P�h9Fj|��"���#�)��R�RA�V'xc�rY�#!A%l��*.�{Z1�:]H�+�\�ߺ��� �qw�}�x����)Y�Ԕ��B Z�3C�x�Ձ�%�Ʋ��h�ã5w��n4�ulj�U¨�Y4FW=��K�aelڛ0�s��ۋ��N�+�3cv��^68�>Ϡ�ʎ6�:�oe$�� 8ι��R�5-�D!�k�p�^9��8Ю����;:�4J��C�Ȩ�u+'D�r���S�;E��@P��N�աP���Rدa�;��_�earL�.٢��h������`#X�Œ�PKq�F�g�#�f�q(Tf����@u�C�-�&3ab-��ap(�b�)X��i�9� ��#�r�s\��,��3����������R��zkMB*�6/i:ˤ]ꌟ�h/gkm��-�b����Im���e�~�����0d$�X��$��yXu� �O����0�QO��Ȓ099�H�w����}f���L���ܟ�Y�F:�ױ��{o���?���I��� E It is an economical panel that balances cost, multiple reuses and concrete appearance. HDO plywood is much like MDO plywood, except that the density of the fiber surface layer is much greater. HDO and MDO feature highly durable, resin-impregnated fiber faces. Demanding applications such as concrete forming, exterior siding, and industrial containers require tough building materials. Buy HDO Plywood, Find Details include Size,Weight,Model and Width about HDO Plywood. Yet they retain plywood's advantages, such as high strength to weight ratio, dimensional stability, and rack resistance, as well as plywood's design flexibility; panels are available in large sizes and can be worked with common woodworking tools. Industrial grade HDO panels are commonly used for highway panels, industrial tanks, and other highly demanding applications. Industrial Plyron – Heavy Duty Work Surface. Roseburg's Duragard Premium MDO is a panel that has a layer of hardwood veneer directly under the smooth resin (water resistant phenolic) impregnated … Weight is based on an assumed panel density of 36 pcf. The resin-soaked fiber overlays are applied with heat and pressure, forming an extremely strong, extremely flat and extremely smooth engineered wood product that is waterproof. HDO plywood is bonded with 100 percent waterproof glue and has inner ply construction of C- or C-Plugged grade veneer. Crown HDO panels are APA certified Struc-1 and meet or exceed APA’s Product Standard PS 1-09 for HDO Concrete Form. HDO High Density Overlay has a resin content of 52 to 58 percent and appears smoother to the touch than does MDO. Estimates based on vertical and structural use; longevity will be lower for horizontal and/or architectural applications. The leading resource for information about engineered wood products. Make an Inquiry for HDO Plywood at OKorder.com. Page 4 of 7 V1.0 – 01/2008 Plywood weight charts help builders compare the weights of different grades of plywood, calculate shipping weights and specify costs in building estimates. Both MDO and HDO are hardwood plywoods with a resin soaked fiber overlays between the veneer layers and on both surfaces. These features place HDO and MDO among the most durable construction materials on the market today. This greater strength means that HDO … Plywood Versus MDO. Phone: 601-264-2962 Fax: 601-296-4766 %PDF-1.3 %���� 1/2-in Common Southern Yellow Pine Plywood Sheathing, Application as 4 x 8. Panel Construction/Moisture Resistance: Basic HDO™ is high-density, 100/30 overlay on plywood with Douglas Fir/ Hemlock construction. January 1997 Plywood Design Specification APA The Engineered Wood Association PSE FR PRGM LBL CLEAR REG HYP x (i) (i) B P/R RTN R BST RND HYP - 1 SIN - 1 COS - 1 x 2 LN LOG % ON You did not provide a valid email address. Spruce-Pine-Fir Plywood Sheathing 95402, 100-percent wood pressure-treatment and can be painted from The Home Depot Overlaid plywood, which can be either high or medium density (HDO or MDO), is a kind that utilizes the same structure of regular sheets with veneers glued to one another. Product Description: Classic™ a high-density overlaid plywood panel … HDO Plywood. Yet … High strength, light weight; Waterproof bond = water resistance; High Face / Edge screw holding; Very low formaldehyde; meets CARB; Specifications: Thicknesses: 5/8″, 3/4″ 1″ & 1/8″ Panel Size: 4’x8′ & 10′ Sanded The high-grade of sanded plywood faces provide a beautiful finish-quality surface for all kinds of applications. Over a structural plywood substrate does not have voids hidden in the layers., Model and Width about HDO plywood is bonded with 100 percent waterproof glue with face veneers grade or... Bonded with 100 percent waterproof glue with face veneers grade B or with. And General grades assumed panel density of 36 pcf panels, industrial tanks, and industrial containers tough! Industry uses to describe overlaid sur-faces 36 pcf does MDO veneer layers and on both surfaces MDO plywood... Are names the plywood industry uses to describe overlaid sur-faces thermosetting resin-impregnated.. 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