Isover 140mm Timber Frame Batt 35 is a premium glass mineral wool batt engineered specifically for timber frame wall construction. These flexible and durable batts deliver outstanding performance when friction-fitted directly between standard timber studs, creating a secure fit with minimal thermal bridging and superior energy efficiency.
Euroclass A1 Reaction to Fire classification according to EN 13501-1.
Before installing Isover 140mm Timber Frame Batt 35, verify compliance with all applicable building regulations, construction standards, and safety requirements for your specific project and location.








