DensDeck® Roof Board is designed to address persistent challenges inherent in commercial roofing assemblies, including fire resistance, durability and dimensional stability when installed in a properly designed roof assembly. With a non-combustible gypsum core, it has 0 flame spread and 0 smoke developed when tested in accordance with ASTM E84 and CAN/ULC-S102. It is also UL classified for resistance to both external and internal fire sources per ANSI/UL 790 and ANSI/UL1256.
La placa para techo DensDeck® StormX® Prime ofrece un nivel de desempeño superior y se recomienda para sistemas de techado fijados mecánicamente, adheridos y parcialmente adheridos. Esta placa cuenta con la clasificación FM para Granizo Muy Severo (VSH, por sus siglas en inglés) en sistemas aprobados de membrana monocapa.
Este cover board de yeso fue el primero de su tipo en aprobar la norma FM VSH en un ensamble monocapa, al utilizar una membrana estándar adherida de TPO de 60 mil (milésimas de pulgada) sin respaldo (bare back).
La placa DensDeck® StormX® Prime está aprobada en más sistemas monocapa VSH que todos los demás cover boards juntos, y se encuentra incluida en miles de ensambles aprobados que pueden consultarse en la base de datos de FM RoofNav.
| R Value | °F•ft2•hr/BTU (m2•K/W): .67 |
| ASTM Type | ASTM C473; ASTM E661; ASTM E96; ASTM C518; ASTM C1177; ASTM C473;ASTM D3273 |
| Fire Rating | Type X; ASTM D3273 |
| Mold Resistance | (10/10); ASTM D3273 |
| Flexural Strength, parallel, lbf. min. (N) | ≥=200 (888) |
| Flute Spanability2 | 18″ (457mm) |
| Permeance, Perms (ng/Pa•S•m2 ) | >17 (>970) |
| Linear Variation with Change in Temp., in/in/°F (mm/mm/°C) | 11.7×10–6 (459333×10–6) |
| Linear Variation with Change in Moisture | 6.25 x 106 |
| Water Absorption, % max3 | 5 |
| Compressive Strength, psi nominal | 1800 |
| Surface Water Absorption, grams, nominal | 1.0 |
| Length | standard: 4′ (1219 mm) and 8′ (2438 mm) ± 1/4( (6.4 mm) |
| Width | standard: 4′ (1219 mm) ± 1/8″ (3 mm) |
| Thickness | nominal: 5/8″ (15.9 mm) ± 1/32″ (.8 mm) |
| Weight | nominal: 3.0 (14.6) |
Certifications may vary by production location, please contact local representative for more information.
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).