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Georgia-Pacific Dens®eck" Technical Service Hotline 1.800.M.6119 or Roof Board www.densdeck.clom Fire Resistance Classifications UL Fire Resistance Ratings 5/8"(15,9 mm)DensDeck Fireguard Roof Boards are DensDeck°Roof Boards are excellent fire barriers over combustible and noncombustible designated as Type DO by UL and included in assembly designs investigated by UL roof decks,including steel decks. for hourly fire resistance ratings.5/8"(15.9 mm)DensDeck Fireguard Roof Boards may UL 790 Classification, DensDeck Hoof Boards have been classified by Underwriters also replace any unclassified 5/8"(15.9 min)gypsum board in an assembly in the UL Laboratories(UL)for use as a fire barrier over combustible and noncombustible decks Fire Resistance Directory under the prefix"P". in accordance with the ANSI/UL 790 test standard.The UL classification includes a Flame Spread and Smoke Developed. When tested in accordance with ASTM E84, comprehensive Class A,8 or C rating.For additional information concerning the UL 790 DensDeck Roof Boards had Flame Spread 0,Smoke Developed 0. classification,consult the UL Certification Directory. Wind Uplift UL 1156 Classification, DensDeck Roof Boards have also been classified by UL in roof DensDeck Roof Boards are included in numerous assemblies evaluated by FM or other deck constructions for internal(under deck)fire exposure in accordance with the independent laboratories for wind uplift performance.For information concerning such ANSI/UL 1256 Steiner Tunnel test.For additional information concerning the UL 1256 assemblies,please visit www.roofnay.com. classification,consult the UL Certification Directory. Handling and Use-CAUTION FM Class 1 Approvals. DensDeck Roof Boards are included in numerous roofing This product contains fiberglass facings which may cause skin irritation.Dust and assemblies with a Factory Mutual(FM)Class 1 fire rating.1/4"(6.4 mm)DensDeck fibers produced during the handling and installation of the product may cause skin, Roof Boards have passed testing under the FM Calorimeter Standard 4450 and have eye and respiratory tract irritation.Avoid breathing dust and minimize contact with been approved by FM as such for insulated steel deck roofs when installed according skin and eyes.Wear long sleeve shirts,long pants and eye protection.Always to the conditions identified by FM.For more information concerning FM Approvals and maintain adequate ventilation.Use a dust mask or NIOSH/MSHA approved FM Class 1 assemblies with DensDeck Roof Boards,consult FM or RoofNav", respirator as appropriate in dusty or poorly ventilated areas. Type X 5/8"115.9 mm)DensDeck°Fireguard"Roof Boards are manufactured to meet the"Type X"requirements of ASTM C1177 for increased fire resistance beyond regular gypsum board. Physical Properties 1/4" THICKNESS Properties Thickness,nominal 1/4"(6.4 mm)±1/16"(1.6 mm) 1/2"1123 min)±1/32"I.B min) 5J8"(15.9 mml±1/32"(.8 min) Width,standard 4'(1219 min)±1/8"(3 min) 4'(1219 mm)±1/8"1 mml 4'(1219 mm)31/8"13 mm) Length,standard B'(2438 min)±1/4"(6.4 min) 8'(2438 mm)±1/4"(6.4 mm) 1 8'(2438 mml±1/4"(6.4 min) Weight,nominal,lbs./s .ft.(Kg/mt) 1.2(5.9) 2.0(9.01 1 25112.2) Surfacing Fiberglass mat Fiberglass mat Fiberglass mat Flexural Strength',parallel,lbf.min.(N) 24D(178) a80(356) 2:100(444) Flute Spanabilityr _ 2-5/8"(67 min) 5"(127 mm) B"(203 min Permeance',Perms(ng/Pa•S-ml) >50(2B50) >35(19951 >32(1B24) R Value',ft--'F•hr/BTU(mt•K/W) .28 .56 .67 Linear Variation with Change in Temp., in/in°F(mm/mm/C°) 8.5 x 101(15.3 x 101) 8.5 x 101(15.3 x 10-5) 8.5 x 106(15.3 x 1061 Linear Variation with Change in n Moisture _ 6.25 x 106 6.25 x 10 6 6.25 x 196 Water Absorption,%max <10 <10 <10 Compressive Strength',psi nominal { 90D 900 90D Surface Water Absorption,grams,nominal <2.5 <2.5 <2.5 Flame Spread,Smoke Developed(ASTM E841 0/0 0/0 0/0 Bending Radius 5'(1524 min) 812438 mm) 12'(3658 min) 1.Tested in accordance with ASTM C473 method 6. 4.Tested in accordance with ASTM C518 Cheat flow meter/. 7.Tested in accordance with ASTM E661. 5.Tested in accordance with ASTM C1177. 3.Tested in accordance with ASTM E96(dry cup method). 6.Tested in accordance with ASTM C473. TRADEMARKS DENSDECK,FIREGUARD and the GEORGIA-PACIFIC logo are trademarks owned by Ge®rgla"PI'a cif lc or licensed to Georgia-Pacific Gypsum LLC.ROOFNAV is a registered mark of FM Global. Gypsum WARRANTIES,REMEDIES AND TERMS OF SALE For current warranty information for this product,please go to www.gpgypsum.com and select the product for warranty information.All sales of this product by Georgia-Pacific are subject to our Terms of Sale available at www.gpgypsum.com. USA. Georgia-Pacific Gypsum LLC y a without UPDATES AND CURRENT INFORMATION The information in this document may change Georgia-Pacific Gypsum II LLC 9 Canada Georgia-Pacific Canada LP notice.Visit our website at www.gpgypsum.com for updates and current information. SALES INFORMATION AND ORDER PLACEMENT CAUTION For product fire,safety and use information,go to www.buildgp.com/safetyinto U.SA. West: 1-80 M44503 or call 1-600-225-6119. Midwest: 1-MM764746 FIRE SAFETY CAUTION Passing a fire test in a controlled laboratory setting and/or certifying or South Central: 1-800.231-6060 labeling a product as having a one-hour,two-hour,or any other fire resistance or protection rating Southeast: 1-ti00-327-2344 and,therefore,as acceptable for use in certain fire rated assemblies/systems,does not mean that Northeast: 1-800-947-4497 either a particular assembly/system incorporating the product,or any given piece of the product CANADA Canada Toll Free:1-BOD-387-SM itself,will necessarily provide one-hour fire resistance,two-hour fire resistance,or any other Quebec Toll Free:1-680.361-o4B6 specified fire resistance or protection in an actual fire.In the event of an actual fire,you should TECHNICAL INFORMATION immediately take any and all actions necessary for your safety and the safety of others without USA and Canada:/-M-2254119,www gpgypsum com regard for any fire rating of any product or assembly/system. 010I5 Geor0afx fc Gypsum LLC.A,l rghu roemed 5115 GMM Lit Item I101516