Selleys Bricks & Mortar Gap Filler Terracotta is the ideal solution for filling gaps and cracks around bricks, mortar and cement render. It has been formulated for a mortar-like textured finish to blend in with cement mortar and render to ensure a professional finish. The product wraps around the wall surface and dries hard in minutes to give an airtight seal to hold moisture out of the wall cavity. - New Look – Same Trusted Formulation Ready-mixed gap filler, in Terracotta - Mortar-like texture to match the consistency of cement mortar and render - Weather, UV, and mould resistant - Suitable for use on brick, mortar, cement render, fibre cement, and more