Insulation Insulation Board
ROCKWOOL Comfortboard
ROCKWOOL Comfortboard is the brand's rigid stone wool continuous-insulation platform; this residential JSON covers the Comfortboard 80 subset used for above-grade walls, below-grade foundations, under-slab, stucco, and cathedral-ceiling assemblies.
Scope Note
Residential coverage is limited to Comfortboard 80. Comfortboard 110 is documented in research but excluded because its official data sheet positions it for commercial applications.
Material
stone wool
Construction
rigid continuous insulation board
Applications
above-grade walls, below-grade foundation walls, under concrete slabs, exterior-insulated stucco assemblies, wood-framed cathedral ceilings
Compliance
ASTM C612 Type IVB, CAN/ULC S702 Type 1
Density Lb Per Cuft
8
Model Comparison
5 models
1 | Specification | 1 | 1.25 | 1.5 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Model | Comfortboard 80 1 in. 24 x 48 in. | — | — | Comfortboard 80 1.25 in. 24 x 48 in. | — | Comfortboard 80 1.25 in. 48 x 96 in. | Comfortboard 80 1.5 in. 24 x 48 in. | Comfortboard 80 1.5 in. 48 x 72 in. | — |
| item_number | 307667 | — | — | 169063 | — | 168605 | 169065 | 168604 | — |
| product_option | Comfortboard 80 | — | — | Comfortboard 80 | — | Comfortboard 80 | Comfortboard 80 | Comfortboard 80 | — |
| r_value | 4.2 | — | — | 5.25 | — | 5.25 | 6.3 | 6.3 | — |
| Width | 24" | — | — | 24" | — | 48" | 24" | 48" | — |
| length_in | 48" | — | — | 48" | — | 96" | 48" | 72" | — |
| pieces_per_pack | 10 | — | — | 7 | — | — | 6 | — | — |
| packs_per_pallet | 18 | — | — | 22 | — | — | 20 | — | — |
| pieces_per_pallet | 180 | — | — | 154 | — | 32 | 120 | 28 | — |
| sqft_per_pack | 80 | — | — | 56 | — | — | 48 | — | — |
| sqft_per_pallet | 1440 | — | — | 1232 | — | 1024 | 960 | 672 | — |
Shared Specifications
All models| scope_note | Residential coverage is limited to Comfortboard 80. Comfortboard 110 is documented in research but excluded because its official data sheet positions it for commercial applications. |
| material | stone wool |
| construction | rigid continuous insulation board |
| applications | above-grade walls, below-grade foundation walls, under concrete slabs, exterior-insulated stucco assemblies, wood-framed cathedral ceilings |
| compliance | ASTM C612 Type IVB, CAN/ULC S702 Type 1 |
| density_lb_per_cuft | 8 |
| r_value_per_inch | 4.2 |
| compressive_resistance_psf_at_10pct | 416 |
| board_size_families_from_datasheet | 24 x 48 in., 36 x 48 in., 48 x 72 in., 48 x 96 in. |
| thickness_range_from_datasheet_in | 1, 1.25, 1.5, 2, 2.5, 3, 4, 5 |
| fire_performance | flame spread index: 0 · smoke developed index: 0 · non combustible: true · test standards: ASTM E84,ASTM E136 |
| moisture_and_durability | water vapor sorption vol pct: 0.03 · fungi resistance: Passed |
| certifications_and_listings | Declare, ETL Intertek Listed - CA/USA, UL Classified - CA/USA, ICC-ES |
| feature_notes | Vapor permeable to support outward drying, Non-structural continuous insulation board, Residentially approved applications called out in Comfortboard 80 data sheet |