Parfix Roof Gutter Concrete Silicone Sealant [Black]

Can be used on both interior and exterior substrates Highly flexible Non-corrosive Neutral cure Parfix Roof, Gutter And Concrete Silicone is a clear, highly flexible, neutral cure sealant designed for both interior and exterior use. Ideal for use on galvanised iron, concrete and roofing, Parfix Roof, Gutter And Concrete is specially formulated to remain flexible under harsh weather conditions.