Soudal LMN, is a 96% minimum pure silicone, low modulus neutral cure silicone sealant in white, this product has been specifically formulated to seal around UPVC windows, doors and conservatories.  It is UV resitant and remains elastic even after curing to help reduce cracks and splits.

LMN is the only silicone we recommend for UPVC installations.

Available in White, Clear, Anthracite Grey, Agate, Black. Golden Oak (Caramel), Agate, Teak Brown, Cream and Chartwell Green.