Insulation Batt Insulation
ROCKWOOL Safe'n'Sound
ROCKWOOL Safe'n'Sound is the brand's residential interior stone wool batt for fire resistance and sound control in interior walls, floors, ceilings, and partitions.
Material
stone wool
Construction
fire-and-sound batt insulation
Applications
interior walls, floors, ceilings, partitions
Published Size Families
wood stud 16 in oc: 15.25 x 47 in. · wood stud 24 in oc: 23 x 47 in. · i joist 16 in oc: 16.25 x 48 in. · i joist 19 2 in oc: 19.2 x 47 in. · steel stud 16 in oc: 16.25 x 48 in. · steel stud 24 in oc: 24.25 x 48 in.
Nominal Density Lb Per Cuft
2.5
Fire Performance
flame spread index: 0 · smoke developed index: 0 · non combustible: true · test standards: ASTM E84,ASTM E136
Model Comparison
2 models
| Specification | 3" | 6" |
|---|---|---|
| Model | Safe'n'Sound 3 in. | Safe'n'Sound 6 in. |
| typical_application | standard interior partitions, floors, and ceilings | deeper floor, ceiling, and partition assemblies |
| available_sizes_note | Official data sheet publishes wood-stud, steel-stud, and I-joist sizes including 15.25 x 47 in., 23 x 47 in., 16.25 x 48 in., 19.2 x 47 in., and 24.25 x 48 in. | Official data sheet publishes the same framing-size families at 6 in. thickness where available; public page does not break out every size as a separate retail SKU. |
| nrc | 1.1 | 1.25 |
| saa | 1.11 | 1.25 |
Shared Specifications
All models| material | stone wool |
| construction | fire-and-sound batt insulation |
| applications | interior walls, floors, ceilings, partitions |
| published_size_families | wood stud 16 in oc: 15.25 x 47 in. · wood stud 24 in oc: 23 x 47 in. · i joist 16 in oc: 16.25 x 48 in. · i joist 19 2 in oc: 19.2 x 47 in. · steel stud 16 in oc: 16.25 x 48 in. · steel stud 24 in oc: 24.25 x 48 in. |
| nominal_density_lb_per_cuft | 2.5 |
| fire_performance | flame spread index: 0 · smoke developed index: 0 · non combustible: true · test standards: ASTM E84,ASTM E136 |
| compliance | ASTM C665 Type 1, CAN/ULC S702 Type 1 |
| certifications | UL GREENGUARD Gold |
| temperature_resistance_note | Official product page states resistance to temperatures over 1,000°C / 1,842°F. |
| feature_notes | Friction-fit installation in wood and steel framing, Mold resistant, Designed for quieter and safer residential spaces |