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GeorgtaPadfic <br /> D ensDeck® Technical Service Hotline 1.800.225.6119 or <br /> \ tt Roof Board www.densdeck.com <br /> Physical Properties <br /> Properties 1/4" (6.4 mm) 1/2" (12.7 mm) 5/8" (15.9 mm) <br /> Thickness, nominal 1/4" (6.4 mm) + 1/16" (1.6 mm) 1/2" (12.7 mm) t 1/32" (.8 mm) 5/8" (15.9 mm) ± 1/32" (.8 mm) <br /> Width, standard 4' (1219 mm) ± 1/8" (3 mm) 4' (1219 mm) ± 1/8" (3 mm) 4' (1219 mm) ± 1/8" (3 mm) <br /> Length, standard 8' (2438 mm) ± 1/4" (6.4 mm) 8' (2438 mm) ± 1/4" (6.4 mm) ( 8' (2438 mm) ± 1/4" (6.4 mm) <br /> Weight, lbs. /sq. ft., nominal 1.1 -1.2 1.95 1 2.5 <br /> Surfacing Fiberglass mat Fiberglass mat Fiberglass mat <br /> Flexural Strength', parallel, lbs. min. 40 80 100 <br /> Flute Spanability' i 2 -5/8" (66.67 mm) 5" (127 mm) 8" (203.2 mm) <br /> Permeance', Perms 50 35 1 32 <br /> "R" Value' 1 .28 .56 .67 <br /> Linear Variation with Change in Temp., in /in °F 1 80.5x1 D; 8.5x10{ ( 8.5x104 <br /> Linear Variation with Change in Moisture, in/in %RH 6.25x10 6.25x10 ; 6.25x10; <br /> Water Absorptions, % max _ 10.0 10.0 10.0 <br /> Compressive Strength, psi nominal 1 500.900 500 - 900 ! 500 - 900 <br /> Surface Water Absorption, grams, nominal s2.5 . 2.5 S.2.5 <br /> Flame Spread, Smoke Developed (ASTM E 84) 0/0 0/0 0/0 <br /> Fire Classification FM CLASS 1 (as overlayment) FM CLASS 1 (FM 4450) FM CLASS 1 (FM 4450) <br /> UL 1256, ULC S -126 UL 1256, ULC S -126 UL 1256, ULC S -126 <br /> UL Class A (UL 790) UL Class A (UL 790) UL Classified "P" assemblies <br /> ULC 5 -107 ULC 5 -107 ULC Classified "R" assemblies <br /> ULC S -101 <br /> Class A (UL 790), ULC S -107 <br /> Mold Resistance ' er ASTM D 3273' 10 (Hi.hest Score) 10 (Hi' hest Score) 10 (Hi.hest Score) <br /> ASTM Standard _ C 1177 C 1177 i C 1177 <br /> Uplift Standards and Testing ANSI/UL 1897 ANSI/UL 1897 i ANSI/UL 1897 <br /> ASCE 7 ASCE 7 ; ASCE 7 <br /> FM 4470 FM 4470 1 FM 4470 <br /> Bending Radius 5' (1524 mm) 8' (2438 mm) 12' (3658 mm) <br /> 1. Tested in accordance with ASTM C 473. 4. Tested in accordance with ASTM C 518 (heat flow meter). <br /> 2. Tested in accordance with ASTM E 661(400lb. conc. load 5. ASTM C 1177 minimums. <br /> only for 1/2" (12.7 mm) and 5/8' (15.9 mm)). 6. The mold resistance of DensDeck• Roof Boards has been tested, as manufactured, in accordance with ASTM D <br /> 3. Tested in accordance with ASTM E -96 (dry cup method). 3273. The ASTM D 3273 test is a 4 -week controlled laboratory test The mold resistance of any building product <br /> when used in actual job site conditions may not produce the same results as were achieved in the controlled, <br /> laboratory setting. No material can be considered mold proof. When properly used with good design, handling <br /> and construction practices, DensDeck Roof Boards provide increased mold resistance. <br /> TRADEMARKS Unless otherwise noted, all long sleeve shirts, long pants and eye <br /> GP Georgia- Pacific trademarks are owned by or licensed to protection. Always maintain adequate <br /> Georgia-Pacific Gypsum LLC. ventilation. Use a dust mask or NIOSH/MSHA <br /> Gypsum approved respirator appropriate REMEDIES AND TERMS OF SALE PP pirator as a ro riate in dus ty <br /> All sales of this product by Georgia- Pacific or poorly ventilated areas. <br /> U.S.A.- Georgia Gypsum LLC are subject to our Terms of Sale available FIRE SAFETY CAUTION Passing a fire test in a <br /> Canada Georgia - Pacific Canada, ULC at www.gpgypsum.com. <br /> controlled laboratory setting and /or certifying <br /> SALES INFORMATION AND ORDER PLACEMENT UPDATES AND CURRENT INFORMATION or labeling a product as having a one -hour, <br /> U.S.A. Midwest 1-800- 876 -4746 West 1-800- 824 -7503 The information in this document may two -hour, or any other fire resistance or pro- . <br /> South: 1-800 -327 -2344 Northeast 1-800- 947-4497 change without notice. Visit our website tection rating and, therefore, as acceptable for <br /> CANADA Canada Toll Free: 1 -800- 387 -6823 at www.gpgypsum.com for updates and use in certain fire rated assemblies /systems, <br /> Quebec Toll Free: 1 -800- 361 -0486 current information. does not mean that either a particular <br /> assembly /system incorporating the product, <br /> TECHNICAL INFORMATION CAUTION For product fire, safety and use or any given piece of the product itself, will <br /> U.S.A. and Canada: 1-800-225-6119 information, go to wwvv.gp.com/safetyinfo necessarily provide one -hour fire resistance, <br /> www.gpgypsum.com or call 1 -800- 225 -6119. two -hour fire resistance, or any other specified <br /> HANDUNG AND USE - CAUTION This fire resistance or protection in an actual fire. <br /> product contains fiberglass facings which may In the event of an actual fire, you should <br /> cause skin irritation. Dust and fibers produced immediately take any and all actions neces- <br /> during the handling and installation of the sary for your safety and the safety of others <br /> product may cause skin, eye and respiratory without regard for any fire rating of any <br /> ©2010 Georgia-Pacific Gypsum Lit. alrights r d. Printed i° the usa. tract irritation. Avoid breathing dust and product or assembly /system. <br /> Originally published 5/09. 1/10 It-TM Lit Item 1101516 minimize contact with skin and eyes. Wear <br />