Rockwool Insulation Specifications
1-Hour Fire Resistant
Single 2x4 Stud Wall Assembly
(load bearing 1250 lbs. per stud)
1-Hour Fire Resistant
Double 2x4 Stud Wall Assembly
(load bearing 1250 lbs. per stud)
2-Hour Fire Resistant
Double 2x4 Stud Wall Assembly
(load bearing 1250 lbs. per stud)
Side Wall Specifications Spray System (Open Blow)
The contents of one bag install in open wall areas by pneumatic equipment with or without adhesive will provide insulation resistance (R) value at the weights and coverages shown below:
| R-Value | Inches | Coverage per bag (sq. ft.) | Weight per sq. ft. | Bags per 1000 sq. ft. |
| 15 |
3.5 |
25.68 |
1.17 |
38.99 |
| 15.5 |
3.63 |
24.79 |
1.21 |
40.33 |
| 23.5 |
5.5 |
16.38 |
1.83 |
61.04 |
| 34 |
8 |
11.27 |
2.68 |
88.73 |
"R" is a measure of insulating ability. "R" means resistance to heat flow. The higher the "R" Value, the greater the insulation value. Tested in accordance with ASTM C 518.
Attic Specifications
| R-VALUE* | Min Thickness | Max. Net Coverage | Weight per Sq. Ft. | Bags per 1000 Sq. Ft. |
| 38 |
11.21 |
18.09 |
1.66 |
55.27 |
| 33 |
9.74 |
20.83 |
1.44 |
48 |
| 30 |
9.6 |
23.44 |
1.28 |
42.67 |
| 26 |
8.32 |
27.04 |
1.11 |
36.98 |
| 22 |
7.04 |
31.96 |
0.94 |
31.29 |
| 19 |
6.08 |
37.01 |
0.81 |
27.02 |
| 13 |
4.48 |
50.22 |
0.6 |
19.91 |
| 11 |
3.52 |
63.92 |
0.47 |
15.64 |
R Value is a measure of insulating ability. R means resistance to heat flow The higher the R value, the greater the insulation value. Vaules were taken at a mean temperature of 75F. Tested in accordance with ASTM C 518.
| Test | Test Standard | Test Results |
| ASTM E 84 |
Surface Burning Characteristics |
|
| |
Flame Spread |
5 |
| |
Smoke Development |
0 |
| ASTM E 136 |
Non-Combustible |
Passed |
| ASTM E 119-83 w/ Hose Stream |
1 Hr. Wall Assembly |
Passed |
| ASTM E 119-88 w/ Hose Stream |
2 Hr. Wall Assembly |
Passed |
| ASTM E 413 |
Sound Isolation Rating |
Up to 69 |
| ASTM C 553 |
Moisture Absorption |
Passed |
| NFPA Mod. 275 |
15 Minute Thermal Barrier |
Passed* |
| ASTM C 764 |
Corrosion |
Passed |
| ASTM E 1332 |
Outdoor-Indoor Transmission |
OITC up to 48 |
| ASTM E 1338 |
Fungus Resistance |
Passed |
| SBCCI Report #9551 |
Fire Resistive Construction |
|
| UL Classified per Follow-up procedure |
|
R14191 |
*Rock-Tight™ Adhesive was used to achieve these results.