Semi-rigid stone wool slab with a patented flexible edge for reliable friction fitting in framed build-ups. Each slab measures 600mm × 1200mm, a format that is easy to handle on site and aligns with common stud and joist spacings to reduce cutting and waste. It delivers dependable acoustic absorption, non-combustible fire safety (A1), and thermal conductivity of 0.038 W/mK without risk of slumping. At 60mm thick, it’s a practical choice for framed walls, adding noticeable gains in both sound reduction and thermal comfort.

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