Dowsil 784 (pack of 12)

Fungus and mildew resistant Good Elasticity 100% Silicone Conforms to ISO 11600-G-20LM Solvent free Dowsil 784 is a single-part silicone sealant with built in ffingicide that resists mould and mildew. It provides a good degree of elasticity and a high gloss appearance. Moreover, it’s compliant with ISO 11600-G-20LM and can withstand extreme temperatures, UV radiation and ozone. Dowsil 784 cures quickly (tack free in one hour) and can allow + or -25% joint movement. Note that it’s incompatible with porous materials on external frames.