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Impregnated with a flame-retardant resin, it’s extremely safe, and offers outstanding thermal efficiency, outstanding air-tightness and driving rain resistance of at least 600 PA.

It doesn’t just seal and protect corner joints from mould and fungi and significantly improve acoustic insulation – it also offers a consistently high-quality finish, something silicone can’t deliver. And, most importantly of all, it’s a breeze to fit.