The uni bond anti mould sealant is a waterproof anti mould silicone sealant that is suitable for most sanitary sealing tasks around the home this ultimate shower and bathroom sealant uses the latest in silicone technology to give waterproof protection with fantastic flexibility the mould protect system makes it suitable for power showers and wet rooms and the lifetime guarantee makes unibond anti mould sealants the first choice to finish off bathroom projects suitable for interior use on showers