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1、Construction Building Envelope and Interior Finishes Databook Sidney M. Levy McGraw-Hill New York San Francisco Washington, D.C. Auckland Bogot Caracas Lisbon London Madrid Mexico City Milan Montreal New Delhi San Juan Singapore Sydney Tokyo Toronto 327 Section Plywood, Composite Wood Products, High
2、-Pressure Laminates Contents 5 5.0.0American Plywood Association (APA) grading guidelines 5.1.0Plywood types and typical applica- tions 5.1.1APA-registered trademarks ex- plained 5.1.2Plywood veneer grades 5.2.0Exposure ratings (Exposure 1 and 2) 5.3.0Plywood species group numbers 5.3.1 Chart of cla
3、ssifi cation of species 5.4.0Variety of surface textures available on APA-rated siding 5.5.0Plywood panel dimensions (U.S. customary and metric) 5.6.0Span tables for plywood sheathing and subfl oors 5.7.0Recommended spans for roof sheathing and fastening schedules 5.7.1Recommended spans for roof dec
4、kslow slopes 5.7.2Stiffener load-span tables for pre- framed APA panel roof decks 5.7.3Plywood thickness and maximum spans for roof decks under special coatings 5.7.4 Spans for open soffi t or combined roof decking and ceiling 5.7.5 Spans for closed soffi t or nonstruc- tural ceilings 5.7.6Plywood s
5、upports for uniformly loaded heavy duty fl oors 5.7.7 Plywood recommendations for fl oor carrying fork-truck traffi c 5.7.8Recommended shear for horizontal APA panel diaphragms with wood framing 5.7.9Recommended shear for APA panel shear walls with wood framing for wind or seismic loading 5.7.10Allo
6、wable spans for APA I-Joists simple- and multiple-span applica- tions 5.8.0Typical plywood sheathing con- struction 5.8.1 One-hour fi re-rated exterior load- bearing wall assemblyillustrated 5.8.2 One-hour fi re-rated glulam beam as- sembly 5.8.3APA rated siding over nailable sheathingrecommendation
7、s/illus- trations 5.8.4Panel siding joint detailsdia- grammed 5.8.5Recommended procedures for ap- plying stucco over APA panel sheathing 5.8.6APA panel corner bracingillus- trated 5.8.7Brick veneer application over ply- wood sheathing 5.8.8 APA panel subfl ooringmaximum span, fasteningtables and dia
8、- grams 5.8.9One-hour fi re-rated combustible fl oor/ceiling assemblies 5.8.10Interior plywood paneling span, fas- tening schedules 5.8.11APA panel stair treads and riser ap- plications 5.8.12APA plywood systems for ceramic tile fl ooring 5.8.13Fully wind-resistive roof assemblies 5.8.14Recommended
9、roof loads for APA rated sheathing with strength axis parallel to supports 5.8.15Preframed roof panels 5.8.16Roof sheathingconstruction de- tails 5.8.17Heavy timber roof construction uti- lizing plywood 5.8.18 Open and closed soffi t construction details utilizing plywood 5.8.19Plywood as roof suppo
10、rt for metal roof panels 5.8.20 Noise resistance plywood fl oor con- struction details 5.8.21APA siding face grades and metric conversions 5.9.0Thermal resistance of wood struc- tural panels 5.9.1Average “U” values of APA panel roof decks 5.9.2STC 46 party wall construction 5.10.0 APA-rated sturdi-f
11、l oor subfl oor and fl oor framing for hardwood fl oors 5.11.0Composite wood products 5.11.1 Hardboard (compressed fi berboard) 5.11.2 Cellulosic fi berboard (softboard) 5.11.3Oriented Strand Board (OSB) 5.11.4Waferboard 5.11.5Laminated Veneer Lumber (LVL) 5.11.6Parallel-strand lumber (PSL) 5.11.7Or
12、iented Strand Lumber (OSL) 5.11.8Com-ply 5.12.0 Medium-density fi berboard (MDF) 5.12.1 MDF product certifi cations and uses 5.12.2MDF raw material composition 5.12.3MDF wood and vinyl veneers and di- mensional characteristics 5.12.4Dimensional stability as critical factor 5.12.5Particleboard and MD
13、F grades and property requirements 5.12.6Effect of moisture on cross lamina- tion of veneered lumber products 5.12.7Moisture content of particleboard and the impact on warpage 5.12.8Moisture content zones in the U.S. 5.12.9Particleboard and MDF dimensional changes compared to wood 5.12.10Dimensional
14、 changes in MDF and in- dustrial-grade particleboard (PBI) 5.12.11Ideal fabrication conditions chart 5.12.12Selecting substrateshandling and storage suggestions 5.12.13Use of particleboard as underlay- ment 5.12.14 Placement of various types of fl oor- ing over particleboard underlayment 5.12.15Part
15、icleboard for stepping 5.12.16MDF moldings and millwork 5.12.17Saw/cutting, installing MDF mold- ings, and millwork 5.13.0Glulams 5.13.1Camber in glulam beams 5.13.2Glulam sizes and weights 5.13.3Equivalent Douglas Fir glulam sec- tions as substitutes for sawn lumber 5.13.4Glulam beam bearingsend wa
16、ll, masonry wall 5.13.5Glulam bearings at end walls with steel tie and cap plates 5.13.6Continuous glulam beam over inter- mediate steel column 5.13.7Glulam beams butting over interme- diate wood supports 5.13.8Beam size change over intermediate support 5.13.9 Glulam continuous fl oor beam over inte
17、rmediate wood supports 5.13.10Glulams as garage door headers 5.13.11Rafter to beam framing 5.13.12 I-joist seriessize, depth, fl ange width 5.13.13 I-joists bearing on fl oor beams 5.13.14 Beam support at end wall with fl oor I-joists 5.13.15 I-joists mounted fl ush with fl oor beam 5.13.16 Lumber j
18、oists bearing on fl oor beam 5.14.0High-pressure laminate (HPL) Q limited exterior use. B-CUtility panel for farm-service work, box cars, and truck linings for exterior use. B-DUtility panel for backing, sides of built-ins, separator boards, and slip sheets for interior and exterior use. C-C plugged
19、 For use as an underlayment over structural subfl oor, pallet fruit bins, and for use in areas to be covered by carpet. C-D plugged For open soffi ts, cable reels, walkways, interior, or protected applications. Not to be used as underlayment. Underlayment For application over structural subfl oor, i
20、t provides a smooth surface for carpet and, touch sanded, for resilient fl oors. Specialty Panels APA high-density overlay (HDO) Manufactured with a semi-opaque resin-fi ber overlay on both sides. It is used for concrete forms, industrial bins, and exhaust ducts. APA marine Plywood made only with Do
21、uglas fi r or Western larch have highly restrictive limita- tions on core gaps and face repairs. As the name implies, it is ideal for boat hulls and other marine uses. APA B-B plyform Class 1Used for concrete formwork and designed for multi-use applications. APA medium-density overlay MDO Made with
22、a smooth, opaque, resin-treated fi ber overlay, producing an ideal base for fi nish painting, signs, and shelving. APA decorativePlywood with a rough-sawn, brushed, and grooved surface for interior accent walls, paneling, exhibit displays, etc. Plywood, Composite Wood Products, High-Pressure Laminat
23、es329 APA plyronPlywood with a hardboard face adhered on both sides, for countertops, cabinet doors, and shelving. PlyformExterior-grade plywood used for concrete forms. B-B plyformIt has a smooth, solid surface. It can be re-used many times. B-C EXTSanded panel used where only one smooth side is ne
24、eded. HDO plyform High-density overlay with hard, semi-opaque resin-fi ber fi nish. Resists abrasion up to 200 re-uses. Requires a release agent. Structural 1 plyformStronger and stiffer than B-B and HDO. Recommended for high-pressure applications. 5.1.1 APA-Registered Trademarks Explained 330Sectio
25、n 5 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 5.1.2 Plywood Veneer Grades Plywood, Composite Wood Products, High-Pressure Laminates331 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 5.2.0 Exposure Ratings (Exposure 1 and 2) Exposure 1
26、is for exterior use and has a fully waterproof bond designed for applications where the plywood will be permanently exposed to the weather or to moisture. Plywood so designated is stamped Exposure 1. Exposure 2 is for protected construction applications and is constructed with intermediate glue. Thi
27、s product is identifi ed as Exposure 2 on the ADA grade stamp. 5.3.0 Plywood Species Group Numbers Plywood manufactured in accordance with U.S. Product Standard (PS) 183 can be made of more than 70 species of wood and these species are divided into 5 groups. Group 1 is the strongest and stiffest and
28、 Group 5 the least strong and least stiff. 5.3.1 Chart of Classifi cation of Species 332Section 5 (By permission of APA, The Engineered Wood As- sociation, Tacoma, Washington.) 5.4.0 Variety of Surface Textures Available on APA-Rated Siding Plywood, Composite Wood Products, High-Pressure Laminates33
29、3 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 5.4.0 Variety of Surface Textures Available on APA-Rated SidingContinued 334Section 5 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 5.5.0 Plywood Panel Dimensions (U.S. Customary and Metric)
30、 Plywood, Composite Wood Products, High-Pressure Laminates335 (By permission of APA, The Engineered Wood Associ- ation, Tacoma, Washington.) 5.6.0 Span Tables for Plywood Sheathing and Subfl oors 336Section 5 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 5.7.0 Recommen
31、ded Spans for Roof Sheathing and Fastening Schedules Plywood, Composite Wood Products, High-Pressure Laminates337 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 338Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) (By permission from
32、 APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.1 Recommended Spans for Roof DecksLow Slopes 5.7.2 Stiffener Load-Span Tables for Preframed APA Panel Roof Decks Plywood, Composite Wood Products, High-Pressure Laminates339 (By permission from APAThe Engineered Wood Association, Tacoma,
33、Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.3 Plywood Thickness and Maximum Spans for Roof Decks Under Special Coatings 5.7.4 Spans for Open Soffi t or Combined Roof Decking and Ceilings 340Section 5 (By permission from APAThe Engineered Wood Associa
34、tion, Tacoma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.5 Spans for Closed Soffi t or Nonstructural Ceilings 5.7.6 Plywood Supports for Uniformly Loaded Heavy Duty Floors Plywood, Composite Wood Products, High-Pressure Laminates341 (By permission f
35、rom APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.7 Plywood Recommendations for Floor Carrying Fork-Truck Traffi c 342Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.8 Recommended Shear for Horizontal APA Panel Diaphragms with Wood Framing Pl
36、ywood, Composite Wood Products, High-Pressure Laminates343 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.7.9 Recommended Shear for APA Panel Shear Walls with Wood Framing for Wind or Seismic Loading 344Section 5 (By permission from APAThe Engineered Wood Association,
37、 Tacoma, Washington.) 5.7.10 Allowable Spans for APA I-JoistsSimple- and Multiple-Span Applications 5.8.0 Typical Plywood Sheathing Construction Plywood, Composite Wood Products, High-Pressure Laminates345 (By permission of APA, The Engineered Wood Association, Tacoma, Washington.) 346Section 5 (By
38、permission from APAThe Engineered Wood Association, Tacoma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.1 One-Hour Fire-Rated Exterior Load-Bearing Wall AssemblyIllustrated 5.8.2 One-Hour Fire-Rated Glulam Beam Assembly Plywood, Composite Wood Produc
39、ts, High-Pressure Laminates347 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.3 APA Rated Siding Over Nailable SheathingRecommendations/Illustrations 348Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.4 Panel Siding Joint D
40、etailsDiagrammed Plywood, Composite Wood Products, High-Pressure Laminates349 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.5 Recommended Procedures for Applying Stucco Over APA Panel Sheathing 350Section 5 (By permission from APAThe Engineered Wood Association, Ta
41、coma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.6 APA Panel Corner BracingIllustrated 5.8.7Brick Veneer Application Over Plywood Sheathing Plywood, Composite Wood Products, High-Pressure Laminates351 (By permission from APAThe Engineered Wood Assoc
42、iation, Tacoma, Washington.) 5.8.8 APA Panel Subfl ooringMaximum Span, FasteningTables and Diagrams 352Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.9 One-Hour Fire-Rated Combustible Floor/Ceiling Assemblies Plywood, Composite Wood Products, High-Pressure
43、 Laminates353 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.10 Interior Plywood Paneling Span, Fastening Schedules 5.8.11 APA Panel Stair Treads and Riser Applications 354Section 5 (By per
44、mission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.12 APA Plywood Systems for Ceramic Tile Flooring Plywood, Composite Wood Products, High-Pressure Laminates355 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.13 Fully Wind-Resistive Roof Assemb
45、lies 356Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.14 Recommended Roof Loads for APA Rated Sheathing with Strength Axis Parallel to Supports 5.8.15 Preframed Roof Panels Plywo
46、od, Composite Wood Products, High-Pressure Laminates357 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.16 Roof SheathingConstruction Details 358Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.17 Heavy Timber Roof Constructi
47、on Utilizing Plywood Plywood, Composite Wood Products, High-Pressure Laminates359 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.18 Open and Closed Soffi t Construction Details Utilizing Plywood 360Section 5 (By permission from APAThe Engineered Wood Association, Ta
48、coma, Washington.) 5.8.20 Noise Resistance Plywood Floor Construction Details (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.8.19 Plywood as Roof Support for Metal Roof Panels Plywood, Composite Wood Products, High-Pressure Laminates361 (By permission from APAThe Engi
49、neered Wood Association, Tacoma, Washington.) 5.8.21 APA Siding Face Grades and Metric Conversions 362Section 5 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.9.0 Thermal Resistance of Wood Structural Panels Plywood, Composite Wood Products, High-Pressure Laminates363 (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) (By permission from APAThe Engineered Wood Association, Tacoma, Washington.) 5.9.1 Average “U” Values of APA Panel Roof Decks 5.9.2 S