Plywood Sturd-I-Floor®

Panel Uses and Information Designed for use in single-layer floor construction beneath carpet and pad.The span rating is stamped on each panel. Glue- nailing is recommended for Sturd-I-floor panels, though panels maybe nailed only. Install with smooth side up. Stagger panel end joists. Spacing of 1/8ʺ is recommended at panel ends and edges. Sturd-I-Floor also features APA Quick-Fit™ Tongue & Typical STURD-I-FLOOR Trademarks Groove design so panels fit together quickly and easily, for even faster installations. (Currently available from Florien)

Panel Size Nominal 4ʹ x 8ʹ (sized for spacing) RATED STURD-I-FLOOR RATED STURD-I-FLOOR RATED STURD-I-FLOOR 48oc SIZED FOR SPACING 20oc 24oc T&G NET WIDTH 47-1/2 SIZED FOR SPACING SIZED FOR SPACING EXPOSURE 1 Length & Width (minimum) T&G NET WIDTH 47-1/2 T&G NET WIDTH 47-1/2 THICKNESS 1.091 IN. EXPOSURE 1 EXPOSURE 1 221 Length: ...... 7ʹ-117/8ʺ (2.435 m) THICKNESS 0.578 IN. THICKNESS 0.703 IN. PS1-09 UNDERLAYMENT PRP-108 221 221 1-1/8 CATEGORY 7 PS1-09 UNDERLAYMENT PS1-09 UNDERLAYMENT Square Edge, Width: . . . . . 3ʹ-11 /8ʺ (1.216 m) PRP-108 PRP-108 19/32 CATEGORY 23/32 CATEGORY Tongue & Groove, Width: . . 3ʹ-111/2ʺ (1.206 m)

Trademark examples courtesy of APA-The Engineered Wood Association Prescriptive Specifications Thickness Span Rating Min. No. Plies Layers Building Code Performance Categories 19/32 PERF CAT 20 o.c. 4–3 0.563ʺ – 0.625ʺ (14.29mm – 15.88mm) 23/32 PERF CAT 24 o.c. 4–3 0.688ʺ – 0.750ʺ (17.46mm – 19.05mm) 1 1/8 PERF CAT 48 o.c. 7–5 or 7–7 1.069ʺ – 1.181ʺ (27.15mm – 30.00mm)

Construction and Characteristics Length/Width Tolerance: . . +0ʺ, –1/16ʺ (+0, –1.6mm) Straightness Tolerance: . . . ±1/16ʺ (±1.6mm) Squareness Tolerance: . . . ±1/8ʺ (±3.2mm) Primary Species: Southern Yellow Pine and Western Species Testing Agency: ...... APA – The Engineered Wood Association Classification: ...... Exposure 1 – Plywood suitable for uses not permantly exposed to the weather. Panels ...... classified as Exposure 1 are intended to resist the effects of moisture on structural perform- ...... ance as may occur due to normal construction delays, or other conditions of similar severity. Flame Spread Rating: . . . . 76-200 (tested in accordance with ASTM E84), smoke developed index < 200 Code Fire Classification: . . Class III or C Building Code Compliance: PS 1-09 Other Certifications: HUD-UM-40, APA V-600 for Exposure 1, APA V-611 for Exterior panels

International Exempt from ISPM 15 regulations (ISPM 15: International Standards for Phytosanitary Measures)

APA – The Engineered Wood Association Boise Cascade Wood Products, L.L.C. Product Support Help Desk: email: [email protected] 1111 West Jefferson Street, Suite 300 • PO Box 62 • Boise, ID 83707-0062 253-620-7400 • www.apawood.org 800-228-0815 • www.bc.com/wood 15_08-03 Plywood Sturd-I-Floor®

Formaldehyde Emissions Exempt from testing or monitoring HUD in the Manufactured Home Construction and Safety Standards. PS 1 and PS 2 structural panels are exempt from testing by the California Air Resources Board (CARB) in the Composite Wood Air Toxic Control Measure (ATCM).

APA RATED STURD-I-FLOOR 48 oc Manufacturing Locations (Over Supports 48" o.c.) APA RATED Tongue-and-groove Mill Zip Harvest STURD-I-FLOOR 48 oc joints (or block edges) Location Number Code Radius 4x girder Elgin, OR APA 528 97827 < 500 miles (or double 2x 2x rim joist or connected together) APA Rim Board

Medford, OR APA 526 97501 < 500 miles s 2x treated sill Florien, LA APA 221 71429 < 500 miles Strength axi

Notes: 1. Provide adequate Forestry Certification moisture control and use ground 12" min. Made from Sustainable Forestry Initiative® (SFI®) certified cover vapor retarder in crawl space. Panels responsible wood sources. must be dry before applying finish floor. 4x4 post ® 2. For buildings with wood or steel Available with SFI and PEFC™ Chain of Custody framed walls, provide 3/4" temporary ® expansion joints with separate floor framing certification. Some items are available FSC certified, members and discontinuous wall plates over the 1/8" spacing is joints, at intervals that limit continuous floor areas to 80 recommended at all edge call for details. feet maximum in length or width, to allow for accumulated and end joints expansion during construction in wet weather conditions. Refer to APA Technical Note: Temporary Expansion for Large Buildings, Form U425, for detailed information.

APA RATED STURD-I-FLOOR 16, 20, AND 24 oc APA RATED STURD-I-FLOOR 48 oc (Over Supports 32" o.c.) Stagger end joints Blocking with square edge panels Stagger end joints Tongue-and- groove joints APA RATED STURD-I-FLOOR APA RATED STURD-I-FLOOR (or block edges) 16, 20, 24 oc 2x joist, I-joists 48 oc or floor trusses – Carpet and pad 16", 19.2", or 2x rim joist Joists 32" o.c. 24" o.c. or APA Rim (2x10s typical) Board

Strength axis 2x treated Center girder 2x rim joist or sill APA Rim Board

Notes: Strength axis 2x treated sill 1. Provide adequate moisture control Notes: and use ground 1. Provide adequate cover vapor moisture control and Construction retarder in crawl use ground cover vapor adhesive optional space. Panels must retarder in crawl space. be dry before applying Panels must be dry before finish floor. applying finish floor. 1/8" spacing is recommended 2. For buildings with wood or steel Framing anchors 2. For buildings with wood or steel at all edge and framed walls, provide 3/4" temporary (or 2x2 ledger) framed walls, provide 3/4" temporary end joints expansion joints with separate floor framing expansion joints with separate floor framing members and discontinuous wall plates over the joints, at intervals that limit continuous floor areas to members and discontinuous wall plates over the joints, 1/8" spacing is at intervals that limit continuous floor areas to 80 feet 80 feet maximum in length or width, to allow for accumulated maximum in length or width, to allow for accumulated expansion during construction in wet weather conditions. recommended at all edge expansion during construction in wet weather conditions. Tongue-and-groove Refer to APA Technical Note: Temporary Expansion Joints and end joints Refer to APA Technical Note: Temporary Expansion Joints edges (or 2" lumber for Large Buildings, Form U425, for detailed information. for Large Buildings, Form U425, for detailed information. blocking between supports)

All illustrations courtesy of APA – The Engineered Wood Association• BOISE CASCADE AND TREE-IN-A-CIRCLE are trademarks owned by Boise Cascade Company. • Sturd-I-Floor, APA Quick-Fit and APA are registered trademarks of APA – The Engineered Wood Association. • Sustainable Forestry Initiative and SFI are trademarks of Sustainable Forestry Initiative, Inc. PEFC is a registered trademark of Pan European Forest; Certfication Council a.s.b.l. • ©2015 Boise Cascade Wood Products, L.L.C. All rights reserved.