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Owens Corning Thermafiber

Owens Corning's Thermafiber line includes mineral-wool continuous insulation for exterior walls, including the RainBarrier High Compressive products in CAL FIRE OSFM category 2440.

Listing health: 1 listed. Soonest expiry: 2027-06-30. Statuses derive from the live program data by a published rule.

Manufacturer site

Product record	Status	Expires
Thermafiber RainBarrier High Compressive 80 and 110 exterior insulation	Listed	2027-06-30

Sources

Thermafiber RainBarrier continuous insulation — Owens Corning (manufacturer). Accessed 2026-08-25.
OSFM Building Materials Listing search — CAL FIRE OSFM (listing-body). Accessed 2026-08-25.