Verified construction product
ROCKWOOL Comfortbatt
A stone wool thermal batt insulation designed for exterior wood and steel stud cavities, exposed floors, basements/crawlspaces and attic applications.
Published technical facts
Specification record
- ASTM C665 classification
- Type 1 Compliant
- Combustibility (ASTM E136)
- Non-combustible
- Flame spread index (ASTM E84)
- 0 index
- Material
- Stone wool thermal batt insulation
Decision summary
What professionals need first
- What is this product?
- Stone wool thermal batt insulation for wood and steel stud cavities
- Where is it used?
- Framed wall cavities. Manufacturer documentation presents Comfortbatt for exterior wood and steel stud cavities, exposed floors, basements/crawlspaces and attic applications.
- Who manufactures it?
- ROCKWOOL
- Product category
- Building Envelope
Construction use
Construction applications
Framed wall cavities
Manufacturer documentation presents Comfortbatt for exterior wood and steel stud cavities, exposed floors, basements/crawlspaces and attic applications.
Official source
Specification support
Technical resources
Official documentation grouped by purpose. Duplicate links are omitted.
Product Data Sheets
Supporting Technical References
Evidence-backed attributes
Sustainability & compliance
Only manufacturer-documented or independently verified attributes appear. Evidence class distinguishes manufacturer declarations from third-party verification, certification, and building-rating contribution documentation. Product LEED or WELL certification is not implied.
Material health & indoor air quality
- GREENGUARD GoldComfortbatt technical data sheet (USA)
GREENGUARD Gold Certified (manufacturer-reported on Comfortbatt datasheet)
Product certification
Connected network
Relevant connections
Direct manufacturer and documented system relationships only. Manufacturer exhibition participation does not imply that this product was exhibited.
- ManufacturerROCKWOOL
Company construction expertise, related products and verified exhibition participation.
- Same manufacturerROCKWOOL Cavityrock
Additional published ROCKWOOL product profile. Not a compatibility claim.
- Same manufacturerROCKWOOL Comfortboard 80
Additional published ROCKWOOL product profile. Not a compatibility claim.
- Same manufacturerROCKWOOL Toprock DD
Additional published ROCKWOOL product profile. Not a compatibility claim.