Roxul TopRock® DD Plus
ROXUL TopRock® DD Plus is a rigid, dual density mineral wool board insulation with a rigid upper layer for durability and enhanced strength.
Applications
Designed for commercial and industrial roof insulation applications. It is suitable for both new building and re-roofing applications. TopRock® DD Plus is impregnated with a bitumen layer which is compatible with torch or mop applied membrane. See Technical Data and individual product specification sheets for details.
Properties:
|  |
Technical Data
| Compliance and Performance: | ||
| ASTM C726 | Standard Specification for Mineral Fibre Roof Insulation Boards | Complies |
| FMRC 4450/4470 | Factory Mutual Class 1, FM 1-90 for BUR, Modified Bitumen and Single-Ply Systems | Complies |
| Fire Performance: | ||
| CAN4 S114 | Test for Non-Combustibility | Non-Combustible |
| CAN/ULC-S107-03 | Method of Fire Test of Roof Covering | Class A |
| CAN/ULC-S126-06 | Fire Spread Under Roof Deck Assemblies Construction | C7, C18, C28, C38 |
| ASTM E 84(UL 723) | Surface Burning Characteristics | Flame Spread = 0 Smoke Developed = 0 |
| CAN/ULC S102 | Surface Burning Characteristics | Flame Spread = 0 Smoke Developed = 0 |
| UL Standard 790 Classification | See UL Roofing and Materials Directory for Assembly Details | Class A |
| UL Standard 263 Fire ResistanceClassification | See UL Fire Resistance Directory for Updated Listings P004, P213, P214, P225, P228, P230, P237, P238, P242, P245, P250, P254, P259, P404, P409, P501, P502, P504, P506, P508, P510, P512, P514, P701, P708, P710, P711, P718, P729, P732, P734, P735, P737, P740, P801, P810, P815, P828, P904, P909, P912, P915. | |
| Dimensional Stability: | ||
| ASTM C 356 | Linear Shrinkage | <.01% @ 350°F (177°C) |
| Moisture Resistance: | ||
| ASTM C 209 | Moisture Absorption | <1% |
| Thermal Resistance: | ||
| ASTM C 518 (C 177) | R-value/inch @ 75°F RSI value/25.4 mm @ 24°C | 3.7hr.ft².F/Btu*** 0.65 m²K/W |
| Corrosive Resistance: | ||
| ASTM C 665 | Corrosiveness to Steel | Pass |
| ASTM C 795 **** | Stainless Steel Stress Corrosion Specification as per Test Methods C871 and C692: U.S. Nuclear Regulatory Commission, Reg. Guide #1.36: U.S. Military Specifications MIL-I-24244 (all versions including B and C) | Conforms |
| Dimensions & Thicknesses: | ||
| 48” (width) x 48” (length) 1219 mm (width) x 1219 mm (length) | ||
| Compressive Strength: | ||
| ASTM C 165 (3 inch thickness) | ||
| at 10% | 10.3 psi (71kPa) | |
| at 25% | 15.0 psi (103.5kPa) | |
| Density: | ||
| ASTM C 612-00 – Actual | ||
| Top Layer | 13.75 lbs/ft3 220 kg/m3 | |
| Bottom Layer | 10.0 lbs/ft3 160 kg/m3 | |
| Acoustical Performance | |||||||
| ASTM C423 CO-EFFICIENTS AT FREQUENCIES | |||||||
| Thickness | 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz | 4000Hz | NRC |
| 1.0" | 0.13 | 0.49 | 0.85 | 0.89 | 0.89 | 0.97 | 0.80 |
| 2.0" | 0.50 | 0.71 | 0.85 | 0.90 | 0.96 | 1.01 | 0.85 |
