Commonly square edge, but may be produced with tongue and groove edges. CS ChemDraw Drawing (file extension) Copyright 1988-2018 AcronymFinder.com, All rights reserved. Exposure 1 plywood is made with fully waterproof glue, but may include D-grade veneers. The wood strands are mixed with resins, arranged in layers for design strength and stability and bonded under heat and pressure. at intermediate joists. 0000031247 00000 n 48 24 - Span rating Exposure 1 - Refers to the moisture resistance of the ply. Apa Rated Plywood Sheathing Exposure 1 (construction plywood) CDX. 0000003467 00000 n Structural I is unrelated to the bond classifications, also known as exposure durability classifications, Exposure 1 and Exterior. 15/32" APA Rated Sheathing, 32/16, Exposure 1, 48"x96", 100 pcs. 0000026334 00000 n Exposure 1 rated sheathings, either OSB or Plywood, have a fully waterproof bond and are designed for applications where construction delays may be expected prior to providing protection. Common veneer grades used in APA Rated Sheathing are C or D grade or a combination of the two, back and inner plies cross-banded for strength. For example: 15/32 PERF CAT APA Rated Sheathing 32/16 Exposure 1. xÚb```g``Íg`e`ÈTcàg@ ~ Ç gúñ*vC¹„å–6 ¨@ÌÀ×à!—Š–b‡a»bëôԕª³Êî°xå˜ìc±à˜LNJÖÌë©m³‹2SX4NjqžºìάHƞ€^ƒG^KŽÉ´NOœR 6OP¢££ÌRRRÒèè€ñŒÓ2à쒴´4°(@AYf•U@ZˆµÀºeø™/1hÈ-àfmÈn’b¼Ãq‡]㄁×KÖVŽ;‚;~¸~¨T´îk¼+cÀ°‚=QaƒCµ/ƒóƒ¼™o1ùÀ@9óæe`pc…‹š20ÉҌ@¼ À _ T6 endstream endobj 1343 0 obj <>/Size 1308/Type/XRef>>stream The PERF CAT refers to the panel thickness, or Performance Category. Suggest new definition. Uniform load deflection limits are 1/180 of span under live load plus dead load, and 1/240 under live load only. Structural I Rated Sheathing provides greater cross-panel strength and stiffness for use in particularly demanding portions of a build such as shear walls, and floor and roof diaphragms. 1.3.2 Exposure 1 Exposure 1 plywood may be used for applications which are not permanently exposed to the weather. Click to see full answer. trailer <<66B7B11944A84093BCB3DFF0EFE71E86>]>> startxref 0 %%EOF 1344 0 obj <>stream Only 23/32" thickness AdvanTech ® subflooring and 1/2" and 5/8" thicknesses of AdvanTech ® roof and wall sheathing are included in ICC-ES report ESR-1785. Voluntary Product Standard PS 1-95, Construction and Industrial Plywood (a prescriptive standard), U.S. 0000015661 00000 n In this way, what is exterior grade OSB? Structural I Rated Sheathing panels carry the same Span Ratings as Rated Sheathing panels of the same thickness, e.g., 15/32 Performance Category (PERF CAT) Structural I and 15/32 PERF CAT Rated Sheathing are both Span Rated at 32/16 and deliver the same capacity for most applications. For most applications that don’t necessitate maximizing shear walls, diaphragms, or similar engineered structural components, regular Rated Sheathing is sufficient. 0000004777 00000 n A common edge treatment is a tongue and groove edge that is used when engineered wood panels are placed together with their long edges adjacent to each other (one edge has a groove milled into it and the other a tongue). These additional requirements relate to increased racking performance related to shear wall and diaphragm values and increased cross panel strength and stiffness properties, which are important when panels are applied with the strength axis parallel to support, as is typical in panelized roofs. FOREWORD Voluntary Product Standard PS 1-09, reproduced in the following pages, provides expanded and updated require-ments for producing, market ing, and specifying plywood for construction and industrial uses. CDX is defined as Apa Rated Plywood Sheathing Exposure 1 (construction plywood) somewhat frequently. APA RATED SHEATHING STRUCTURAL 1 32/16 15/32INCH SIZED FOR SPACING EXPOSURE 1 378 PRP 108 Panel Grade Span Rating Exposure Durability Classification Thickness Mill Number APA’s Performance-Rated Panel Standard ORIENTED STRAND BOARD STRUCTURAL 1 SHEATHING PANELS. (a) 3. 0000003943 00000 n CDX plywood is durable and moisture proof. CDX stands for Apa Rated Plywood Sheathing Exposure 1 (construction plywood). APA Rated Sheathing panels are produced as plywood or oriented strand board (OSB). What does CDX mean? ‘Sized for Spacing’ on APA Rated Sheathing, APA Rated Sturd-I-Floor and APA Rated Siding trademarks indicates that the manufacturer has produced the panel to a size slightly less than the traditional nominal 2440mm (96″) by 1220mm (48″). 0000014513 00000 n Although common in western states, Structural I may be challenging to source in other regions. Span-rated panels and lap siding may be used direct to studs or over nonstructural wall sheathing (Sturd-I- Wall construction), or over nailable panel or lumber sheathing (double wall construction). b. Estimated panel weight. Other considerations: Edge Treatments. 0000002948 00000 n Following these simple construction steps will provide best performance and minimize complaint callbacks. Also, Structural I is not to be confused with the more general terms “structural-use panels” or “structural panels,” which refer to all of the grades of plywood and OSB manufactured under U.S. Exposure 1 is a glue bond classification. or less) c Lightweight Concrete with Finish Flooring on Topd Subfloor panel with or without T&G edges installed on joists. LP OSB Sheathing & Structural 1 Sheathing It contains only low-emitting safe resins and is offered in a comprehensive range of performance categories. All are APA-rated and backed by a 20-year transferable limited warranty. If you are visiting our non-English version and want to see the English version of Apa Rated Plywood Sheathing Exposure 1, please scroll down to the bottom and you will see the meaning of Apa Rated Plywood Sheathing Exposure 1 in English language. Panels are specified in the following order: PERF CAT, APA trademark, Panel Grade, Span Rating, Exposure Durability Classification, and additional information as needed (optional). 0000001771 00000 n It is done … APA Rated Sheathing & Structural 1 Sheathing • LP OSB sheathing panels are of a consistent composition and manufactured to be free of knots, grain defects, core voids, splits and other irregularities. auditing program. Like all construction materials, APA Rated Sheathing panels must be installed correctly to insure best performance. CDX. 0000031629 00000 n 0000008863 00000 n In many applications, a substitution of Rated Sheathing that is 1/8 PERF CAT thicker than the specified Structural I will result in comparable performance. Structural I lends no additional benefits for traditional construction applications. Floor sheathing shall be APA rated 3/4" thick minimum C-D Tongue & Grove nailed to floor joists with 8d common nails @ 6" O.C. c. Tongue-and-groove edges, panel edge clips (one midway* between each support, except two equally spaced between supports 48 inches on center or greater), lumber blocking, or other. Lightweight concrete poured on top. You can also look at abbreviations and acronyms with word CDX in term. Exterior panels have bonds capable of withstanding repeated wetting and redrying or long-term exposure to weather or other conditions of similar severity, provided they are properly finished and maintained. When using Structural I Rated Sheathing, your build can stand up to whatever comes its … 0000016659 00000 n Structural I, also referred to as “STRUC I,” may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing. These two designations signify only the moisture resistance of the panel adhesive bond appropriate to its intended end use. No knotholes or borer holes permitted larger than 1/4 x 1/2 inch. 0000009661 00000 n 1308 0 obj <> endobj xref 1308 37 0000000016 00000 n Voluntary Product Standard PS 2-04 0000005631 00000 n 0000026263 00000 n The leading resource for information about engineered wood products. In order to prevent damage, cut the steel bands on the bundles. 0000022120 00000 n The recommendations for roof sheathing in Table 34 apply to APA RATED SHEATHING Exposure 1 or Exterior, APA STRUCTURAL I RATED SHEATHING Exposure 1 or Exterior and APA RATED STURD-I-FLOOR Exposure 1 or Exterior. Note:APA Rated Sheathing Exposure 1 plywood, commonly called "CDX" in the trade, is sometimes mistaken as having an Exterior bond classification and erroneously used in applications for which it does not possess the required resistance to weather. Actual weight may … Specialized construction situations requiring installation of roof sheathing panels with the strength axis parallel to supporting structure also benefit from the use of Structural I Sheathing. C This veneer can have tight knots up to 1 1/2 inches in diameter, and knotholes up to 1 inch across the grain, or up to 1 1/2 inches if the total width of knots and knotholes is within specified limits. The advantages of Structural I Rated Sheathing over standard Rated Sheathing panels of the same Performance Category are realized in certain specialized engineered applications such as engineered shear walls and engineered horizontal diaphragms. Allow the panels to dry properly prior to installation. These standards are: U.S. a. APA RATED SHEATHING panels with roof Span Rating less than 24 0000026599 00000 n All Rights Reserved. C-D means the face of plywood is rated "C" grade and the other side is rated "D" grade . 0000002402 00000 n Structural I Rated Sheathing may carry either an Exterior or an Exposure 1 designation. These two designations signify only the moisture resistance of the panel adhesive bond appropriate to its intended end use. 0000003584 00000 n Structural I Rated Sheathing may carry either an Exterior or an Exposure 1 designation. © 2018 - 2021 APA – The Engineered Wood Association. 0000022626 00000 n And although it’s a small distinction, note that Structural I uses the Roman numeral for one, as opposed to Exposure 1’s use of the more familiar Arabic numeral 1. It is suitable for use in a range of construction and miscellaneous applications where strength and stiffness are required. ... ‘Sized for Spacing’ on APA Rated Sheathing, APA Rated Sturd-I-Floor and APA Rated Siding trademarks indicates that the manufacturer has produced the panel to a size slightly less than the traditional nominal 2440mm (96″) by 1220mm (48″). Today, three standards apply to the manufacture of APA wood structural panels: APA RATED SHEATHING, APA RATED STURD-I-FLOOR, and APA RATED SIDING. STEP 1. Control and Direction Exercise. (except 3-ply plywood panels must be applied with strength axis across studs when studs are spaced 24 inches o.c.). at edges & 12" O.C. What is shorthand of Apa Rated Plywood Sheathing Exposure 1? If availability of Structural I in your area is problematic, use of thicker Rated Sheathing usually provides an equivalent load capacity (although at thicknesses over 19/32 PERF CAT, the distinction is probably moot). It is suitable for applications where ... designated APA RATED SHEATHING… RATED SHEATHING 32/16 SIZED FOR SPACING EXPOSURE 1 THICKNESS 0.451 IN. APA RATED SIDING is available with Span Ratings of 16 and 24 oc. 0000002289 00000 n For more detailed information on engineering diaphragms and shear walls, consult APA Design/Construction Guide: Diaphragms and Shear Walls, Form L350. Always check for level nailing surface. A cost-effective, high performance structural panel, LP OSB is designed for optimal performance and stability. 0000012266 00000 n CDX stands for Apa Rated Plywood Sheathing Exposure 1. The recommendations for roof sheathing in Table 30 apply to APA RATED SHEATHING Exposure 1 or Exterior, APA . 0000001036 00000 n APA has two ratings, Exposure and Exposure 1. Structural I is of no additional benefit for other traditional construction applications. CDX. Structural I is unrelated to the bond classifications, also known as exposure durability classifications, Exposure 1 and Exterior. If Exposure 1-rated panels and sheathing do get wet, edge swelling may be experienced. Edges of wood structural panel roof sheathing supported at 24 inches on center, shall be supported with blocking or edge clips. The letter "X" means the glue of the plywood is exterior glue . PRP-108 HUD-UM-40 15/32 CATEGORY 000 RATED SIDING 24oc SIZED FOR SPACING EXTERIOR THICKNESS 0.451 IN. APA Rated Sheathing 15/32 Performance Category 32/16 Exposure 1. APA rated sheathing - Means the plywood is rated for use as subfloor, wall, and roof sheathing. Exposure 1 rated … 0000048055 00000 n CDX plywood is used as flooring materials, wall sheathing, roofing ply . Before specifying Structural I, check with your supplier to ensure it is available in your region. 0000017950 00000 n APA Rated Sheathing is rated for use as subfloor, wall, roof, diaphragm and shear wall sheathing. APA Panel Roof Sheathing. Exposure 1 panels are suitable for uses not involving long-term exposure to the weather but are intended to resist the effects of moisture due to construction delays, or other condition of similar severity. alternate for APA Exposure 1 rated sheathing. Counterdrug Executive Secretariat. CDX stands for "C-D Exposure 1 plywood" .

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