Superglass Timber & Rafter Roll 40 & 35 (13B)

Timber & Rafter Roll is a resilient, medium density mineral wool roll, designed specifically for thermal, acoustic insulation and fire resistant applications in walls of studded construction in timber-framed buildings. Self supported by friction fitting between timber studs.

Timer & Rafter Roll 40 has a thermal conductivity of 0.040 W/mK, Timber and Rafter Roll 35 is a superior 0.035 W/mK