ROCKWOOL Comfortboard 80 is a rigid stone wool insulation board designed for exterior continuous insulation assemblies using screw through insulation cladding support systems in residential and commercial construction.

Learn how Comfortboard 80 is installed around a flanged window on a residential, wood-framed home. This installation includes guidance on insulation fastening, cutting and detailing around a flanged window, as well as recommendations on air and water barrier continuity.

Please be sure to follow the window, water-resistive barrier and cladding manufactures instructions during installation.

Learn more about Comfortboard 80: https://www.rockwool.com/north-america/products-and-applications/products/comfortboard-80/

Download our Comfortboard 80 Installation Guide: https://www.rockwool.com/syssiteassets/o2-rockwool/documentation/technical-guides/residential/comfortboard80-installationguide.pdf

Have more questions? Contact the ROCKWOOL technical support team: https://www.rockwool.com/north-america/contact/