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Home My WebLink AboutFile Documents.306 S Garmisch St.0254.2018 (4).ARBK800-479-6832 | P.O. Box 7000 | Carlisle, PA 17013 | Fax: 717-245-7053 | www.carlislesyntec.com EXPERIENCE THE CARLISLE DIFFERENCE Overview DensDeck Prime Roof Board’s patented design features a gypsum core with embedded glass mat facers on the top and bottom of the board. DensDeck Prime can be used in a variety of commercial roof systems and provides an excellent thermal barrier as well as exceptional ﬁ re, moisture, and wind uplift resistance properties. DensDeck Prime is typically used as a cover board over insulation in fully adhered EPDM, TPO, and PVC applications. It is compatible with solvent- based bonding adhesives. For applications in which Carlisle’s FAST™, or Flexible FAST Adhesive is used to attach insulation and a vapor barrier is speciﬁ ed, DensDeck Prime can be used as a base layer for Carlisle’s VapAir™ Seal 725TR Air and Vapor Barrier (in conjunction with CCW 702-LV or CAV-GRIP™ Primer). DensDeck Prime is also compatible with hot asphalt and can be used as a membrane underlayment in hot mopped rooﬁ ng systems or as a parapet wall substrate in all systems. Features and Beneﬁ ts »UL code ratings available for high slopes and wood decks »FM Approved »Improves resistance to foot trafﬁ c and hail damage »Excellent wind uplift ratings »Resistant to deterioration, warping, and jobsite damage »5⁄8 DensDeck Prime can replace any generic type "X" gypsum board in any roof assembly in the UL Fire Resistance Directory under the preﬁ x "P" Installation DensDeck Prime may be secured with FAST Adhesive, fastened in accordance with an approved fastening pattern, or mopped with Type III or IV asphalt. Edge joints should be located on and parallel to deck ribs. End joints of adjacent lengths should be staggered. 1. This material shall be installed with ends and edges butted tightly. 2. When installed over combustible wood decks or insulations, all joints should be staggered. 3. In accordance with approved shop drawings, FM Approved fasteners shall be installed with plates through the roof board, ﬂ ush with the surface. 4. When attaching VapAir Seal 725TR, use DensDeck Prime in conjunction with CCW-702, 702-LV, or CAV-GRIP Primer. Review Carlisle speciﬁ cations and details for complete installation information. DensDeck® Prime Roof Board 4' X 8' Boards (12 fasteners per 4' x 8' board) FM Approvals 1-90 ¼" DensDeck Prime Cover Board FM Approvals 1-90 ½" or 5⁄8" DensDeck Prime Cover Board 4' X 8' Boards (8 fasteners per 4' x 8' board) 10/12/18 EXPERIENCE THE CARLISLE DIFFERENCE 800-479-6832 | P.O. Box 7000 | Carlisle, PA 17013 | Fax: 717-245-7053 | www.carlislesyntec.com 01.26.17 © 2017 Carlisle. REPRINT CODE: 601960 - “DensDeck Prime Roof Board Product Data Sheet” Carlisle, FAST, VapAir and CAV-GRIP are trademarks of Carlisle. DensDeck is a registered trademark of Georgia-Paciﬁ c Gypsum LLC. Typical Properties and Characteristics Properties ¼" (6.4 mm) ½" (12.7 mm) 5⁄8" (15.9 mm) Thickness, nominal ¼" (6.4 mm) ± 1⁄16" (1.6 mm) ½" (12.7 mm) ± 1⁄32" (.8 mm)5⁄8" (15.9 mm) ± 1⁄32" (.8 mm) Width, standard 4' (1219 mm) ± 1⁄8" (3 mm) 4' (1219 mm) ± 1⁄8" (3 mm) 4' (1219 mm) ± 1⁄8" (3 mm) Length, standard 4' (1219 mm) 8' (2438 mm) ± ¼" (6.4 mm) 4' (1219 mm) 8' (2438 mm) ± ¼" (6.4 mm) 4' (1219 mm) 8' (2438 mm) ± ¼" (6.4 mm) Weight, nominal, lbs./sq. ft. (Kg/m²)7 1.2 (5.9) 2.0 (9.8) 2.5 (12.2) Surfacing Fiberglass mat with non-asphaltic coating Fiberglass mat with non-asphaltic coating Fiberglass mat with non-asphaltic coating Flexural Strength1, parallel, lbf. min. (N)≥40 (178)≥80 (356)≥100 (444) Flute Spanability 2 25⁄8" (67 mm) 5" (127 mm) 8" (203 mm) Permeance3, Perms (ng/Pa• S• m²) >30 (>1710) >23 (>1300) >17 (>970) R Value4, ft²• °F• hr/BTU (m²• K/ W) 0.28 0.56 0.67 Linear Variation with Change in Temp., in/in °F (mm/mm/C°) 8.5 x 10 -6 (15.3 x 10-6) 8.5 x 10 -6 (15.3 x 10-6) 8.5 x 10 -6 (15.3 x 10-6) Linear Variation with Change in Moisture 6.25 x 10 -6 6.25 x 10-6 6.25 x 10-6 Water Absorption5, % max <10 <10 <10 Compressive Strength6, psi nominal1 900 900 900 Surface Water Absorption, grams, nominal <2.0 <2.0 <2.0 Flame Spread, Smoke Developed (ASTM E84) 0/0 0/0 0/0 Bending Radius 4' (1219 mm) 6' (1829 mm) 8' (2438 mm) 1 Tested in accordance with ASTM C473 method B. 2 Tested in accordance with ASTM E661. 3 Tested in accordance with ASTM E96 (dry cup method). 4 Tested in accordance with ASTM C518 (heat ﬂ ow meter). 5 Tested in accordance with ASTM C1177. 6 Tested in accordance with ASTM C473. 7 Represents approximate weight for design and shipping purposes. Actual weight may vary based on manufacturing location and other factors. DensDeck Prime Roof Board Precautions »Panels must be kept dry before, during and after installation. Apply only as much roof board as can be covered by roof membrane in the same day. »When applying solvent-based adhesives or primers, allow sufﬁ cient time for the solvents to ﬂ ash off. »¼" DensDeck Prime is not recommended for vertical parapet applications. »In ballasted rooﬁ ng systems, DensDeck Prime is not an acceptable membrane underlayment. Ratings and Certiﬁ cations »Manufactured to conform to ASTM C-1177 »Tested in accordance with ASTM E-84 or CAN/ULC-S102 »Non-combustible when tested in accordance with ASTM E-136 »UL Classiﬁ ed when tested in accordance with ASTM E-119 LEED® Information Manufacturing Location1 Total Recycled Content2 Pre-Consumer Recycled Content22 Post-Consumer Recycled Content2 Acme, TX 0% 0% 0% Antioch, CA 0% 0% 0% Ft. Dodge, IA 0% 0% 0% Las Vegas, NV 0% 0% 0% Lovell, WY 0% 0% 0% Newington, NH 30% 30% 0% Savannah, GA 0% 0% 0% Tacoma, WA 14% 14% 0% Wheatﬁ eld, IN 94% 94% 0% 1 Manufacturing locations subject to change. Please visit www.gpgypsum.com and click on Sustainability. 2 Recycled content subject to change +/– 1.0%. 3 Based on ICC Evaluation Service Veriﬁ cation of Attributes Report for Dens® brand products issued August 1, 2009. www.saveprogram.icc-es.org 10/12/18