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| | '''Manufacturer''': [https://www.gp.com/ '''Georgia-Pacific Canada Ltd.'''] | | | '''Manufacturer''': [https://www.gp.com/ '''Georgia-Pacific Canada Ltd.'''] |
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− | ;Accepted for '''''RoofStar Guarantee Program''''': Date TBA | + | ;Accepted for '''''RoofStar Guarantee Program''''': Updated April 2019 |
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− | ;'''Product Summary''': '''DensDeck Roof Guard''' is a water-resistant treated gypsum board manufactured with an embedded non structural fibreglass mat facer and a water-resistant treated core. '''DensDeck Prime Roof Guard''' is identical except that it has a treated surface to improve bonding. | + | ;'''Product Summary''': '''DensDeck Prime Roof Board''' is a water-resistant treated gypsum board manufactured with an embedded non structural fibreglass mat facer, a water-resistant treated core, has an enhanced surface to "provide broader compatibility and higher performance with roofing adhesives" (from the Technical Data Sheet). |
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− | :'''DensDeck Roof Guard''' is an accepted insulation overlay board in the '''''RoofStar Guarantee Program'''''. DensDeck Prime Roof Guard is an accepted insulation overlay board for adhered roof assemblies in the '''''RoofStar Guarantee Program'''''. | + | :'''DensDeck Prime Roof Guard''' is an accepted insulation deck overlay, and an accepted overlay board for adhered roof assemblies in the '''''RoofStar Guarantee Program'''''. |
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− | :'''DensDeck Roof Guard''' and '''DensDeck Prime Roof Guard''' have achieved a very comprehensive Class A (UL 790) fire rating at Underwriters Laboratories due to their outstanding fire resistance.
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− | :* ASTM E 84 with '''DensDeck Roof Guard''' and '''DensDeck Prime Roof Guard''': Flame Spread 0, Smoke Developed 0
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− | :* ASTM E 119 with 5/8" DensDeck Fireguard Type X Roof Guard: UL Classified Type DGG
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− | | |
− | :'''DensDeck Roof Guard''' ® and '''DensDeck Prime Roof Guard'''™ Properties, Standards and Classifications
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− | :<table border="1" cellspacing="0" cellpadding="5">
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− | <tr>
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− | <td valign="bottom" align="center"></td>
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− | <td valign="bottom" align="center">¼" DensDeck Roof Guard</td>
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− | <td valign="bottom" align="center">¼" DensDeck Prime Roof Guard</td>
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− | <td valign="bottom" align="center">½" DensDeck Roof Guard</td>
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− | <td valign="bottom" align="center">½" DensDeck Prime Roof Guard</td>
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− | <td valign="bottom" align="center"><sup>5</sup>⁄<sub>8</sub>" DensDeck Roof Guard</td>
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− | <td valign="bottom" align="center"><sup>5</sup>⁄<sub>8</sub>" DensDeck Prime Roof Guard</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Thickness, inches, nominal</td>
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− | <td align="center">¼" ± 1/16"</td>
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− | <td align="center">¼" ± 1/16"</td>
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− | <td align="center">½" ± 1/32"</td>
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− | <td align="center">½" ± 1/32"</td>
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− | <td valign="top" align="center"><sup>5</sup>⁄<sub>8</sub>" ± 1/32"</td>
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− | <td valign="top" align="center"><sup>5</sup>⁄<sub>8</sub>" ± 1/32"</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Width, standard</td>
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− | <td align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | <td align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | <td align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | <td align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | <td valign="top" align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | <td valign="top" align="center">4' ± <sup>1</sup>⁄<sub>8</sub>"</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Length, standard</td>
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− | <td align="center">8' ± ¼"</td>
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− | <td align="center">8' ± ¼"</td>
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− | <td align="center">8' ± ¼"</td>
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− | <td align="center">8' ± ¼"</td>
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− | <td valign="top" align="center">8' ± ¼"</td>
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− | <td valign="top" align="center">8' ± ¼"</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Weight, lb / sq. ft., nominal</td>
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− | <td align="center">1.1</td>
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− | <td align="center">1.15</td>
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− | <td align="center">1.95</td>
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− | <td align="center">1.975</td>
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− | <td valign="top" align="center">2.5</td>
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− | <td valign="top" align="center">2.55</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Surfacing</td>
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− | <td align="center">Glass mat</td>
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− | <td align="center">Glass mat with non-asphaltic coating</td>
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− | <td align="center">Glass mat </td>
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− | <td align="center">Glass mat with non-asphaltic coating </td>
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− | <td valign="top">Glass mat </td>
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− | <td valign="top" align="center">Glass mat with non-asphaltic coating </td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Flexural Strength 4, parallel, <br>
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− | lb. min</td>
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− | <td align="center">405</td>
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− | <td align="center">405</td>
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− | <td align="center">805</td>
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− | <td align="center">805</td>
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− | <td align="center">1005</td>
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− | <td align="center">1005</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Flute Spanability1</td>
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− | <td align="center">2<sup>5</sup>⁄<sub>8</sub>"</td>
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− | <td align="center">2<sup>5</sup>⁄<sub>8</sub>"</td>
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− | <td align="center">5"</td>
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− | <td align="center">5"</td>
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− | <td align="center">8"</td>
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− | <td align="center">8"</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Permeance2 , Perms</td>
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− | <td align="center">50</td>
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− | <td align="center">50</td>
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− | <td align="center">35</td>
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− | <td align="center">35</td>
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− | <td align="center">32</td>
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− | <td align="center">32</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">“R” Value3</td>
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− | <td align="center">.28</td>
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− | <td align="center">.28</td>
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− | <td align="center">.56</td>
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− | <td align="center">.56</td>
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− | <td align="center">.67</td>
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− | <td align="center">.67</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Linear Variation with change in temp., in / in °F</td>
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− | <td align="center">8.5 x 10-6</td>
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− | <td align="center">8.5 x 10-6</td>
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− | <td align="center">8.5 x 10-6</td>
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− | <td align="center">8.5 x 10-6</td>
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− | <td align="center">8.5 x 10-6</td>
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− | <td align="center">8.5 x 10-6</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Linear Variation with change in Moisture, in / in %RH</td>
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− | <td align="center">6.25 x 10-6 </td>
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− | <td align="center">6.25 x 10-6</td>
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− | <td align="center">6.25 x 10-6</td>
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− | <td align="center">6.25 x 10-6</td>
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− | <td align="center">6.25 x 10-6</td>
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− | <td align="center">6.25 x 10-6</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Water Absorption 4, % max</td>
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− | <td align="center">10.0</td>
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− | <td align="center">10.0</td>
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− | <td align="center">10.0</td>
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− | <td align="center">10.0</td>
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− | <td align="center">10.0</td>
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− | <td align="center">10.0</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Compression Strength, <br> psi nominal</td>
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− | <td align="center">500 - 900</td>
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− | <td align="center">500 - 900</td>
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− | <td align="center">500 - 900</td>
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− | <td align="center">500 - 900</td>
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− | <td align="center">500 - 900</td>
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− | <td align="center">500 - 900</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Surface water Absorption4,<br> Grams, nominal</td>
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− | <td align="center">2.5</td>
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− | <td align="center"><2.0</td>
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− | <td align="center">2.5</td>
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− | <td align="center"><2.0</td>
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− | <td align="center">2.5</td>
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− | <td align="center"><2.0</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Flame Spread,<br> Smoke Developed<br> (ASTM E 84)</td>
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− | <td align="center">0</td>
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− | <td align="center">0</td>
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− | <td align="center">0</td>
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− | <td align="center">0</td>
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− | <td align="center">0</td>
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− | <td align="center">0</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Fire Classification</td>
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− | <td colspan="2" align="center">FMRC Class 1<br>(as overlayment)<br>UL Class A (UL 790)<br>ULC S-102</td>
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− | <td colspan="2" align="center">FMRC Class 1 (FM 4450)<br> UL 1256, ULC S-126<br> UL Class A (UL 790)<br> ULC S-102</td>
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− | <td colspan="2" valign="top" align="center">FMRC Class 1 (FM 4450)<br> UL 1256, ULC S-126<br> UL Classified “P” assemblies<br> ULC Classified “R” assemblies<br> ULC S-1-1<br> Class A (UL 790),<br> ULC S-107</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Mold and Mildew Resistance</td>
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− | <td colspan="2" align="center">No growth7</td>
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− | <td colspan="2" align="center">No growth7</td>
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− | <td colspan="2" align="center">No growth7</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">FM Approvals6</td>
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− | <td colspan="2" align="center">60 and 90 psf uplift / FM Class 1-90 as an overlayment</td>
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− | <td colspan="2" align="center">FMRC 1-60, 1-90, 1-135</td>
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− | <td colspan="2" align="center">FMRC 1-60, 1-90, 1-180</td>
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− | </tr>
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− | <tr>
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− | <td valign="top">Bending Radius</td>
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− | <td colspan="2" align="center">5’</td>
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− | <td colspan="2" align="center">8’</td>
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− | <td colspan="2" valign="top" align="center">12’</td>
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− | </tr>
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− | <tr>
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− | <td colspan="7" valign="top">
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− | Tested in accordance with ASTM E-661 (400 lb. conc. load only for <sup>1</sup>⁄<sub>2</sub>" and <sup>5</sup>⁄<sub>8</sub>").
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− | #Tested in accordance with ASTM E-96 (dry cup method).
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− | #Tested in accordance with ASTM C 518 (heat flow meter).
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− | #Tested in accordance with ASTM C 473.
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− | #ASTM C 1177 minimums.
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− | #Higher wind uplift ratings have been achieved by numerous membrane manufacturers using DensDeck Roof Guard in their FMRC-approved construction designs.
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− | #Tested in accordance with ASTM D 3273. </td>
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− | </tr>
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− | </table>
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− | Due to the outstanding fire performance of 5/8" DensDeck Fireguard Type X Roof Guard, this product can replace any generic Type X gypsum board in an assembly in the UL Fire Resistance Directory under the prefix “P”.
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− | * 5/8" DensDeck Fireguard Type X Roof Guard is classified by Underwriters Laboratories and can be used in the following UL “P” assemblies: P225, P227, P230, P232, P235, P254, P257, P259, P266, P508, P510, P512, P514, P518, P701, P713, P714, P717, P718, P719, P720, P722, P724, P725, P726, P727, P728, P729, P730, P731, P732, P733, P734, P735, P736, P738, P739, P740, P801, P803, P805, P811, P813, P814, P815, P818, P819, P824, P825, P826, P828, P921
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− | * UL of Canada R210, R217, R222, R223, R224, R702, R703, R705, R804, R806, R808
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− | * ANSI / UL 1256 Steiner Tunnel “Fire Classified Construction”. This listing allows direct application on steel decking with ¼", ½" or 5/8" DensDeck or DensDeck Prime Roof Guard under foamed plastic insulations.
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| |} | | |} |
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− | :Click below for the '''Technical Data Sheet''' (TBA) | + | :Click below for the '''Technical Data Sheet''' |
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| <div style="width:150px; text-align: left;"> | | <div style="width:150px; text-align: left;"> |
− | :[[File:Pdf.png|150 px|TDS Here|'''Technical Data Sheet''']] | + | :[[File:Pdf.png|150 px| link=http://rpm.rcabc.org/images/1/11/GP_DensDeck_Prime_TDS.pdf|'''Technical Data Sheet''']] |
| </div> | | </div> |
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