Everbuild Febond Blue Grit(r) is a high-performance, plasterer's grip coat bonding agent, specifically designed to provide an improved key to smooth surfaces. Contains a fine aggregate that provides a mechanical key to backgrounds such as plaster, concrete, painted surfaces, textured surfaces and ceramic tiles. One coat application, coloured blue to indicate coverage. Bond strength tested in accordance with EN 13892-8. Ideal as a bonding coat for walls prior to plastering, for bonding to difficult substrates such as glass, ceramics, MR plasterboard, MDF, pre-cast concrete, and other particle boards etc. Provides mechanical Key - Enables plastering over low suction and smooth backgrounds. Blue colour gives easy identification of area covered. Simple to apply by roller or brush. Ready to use straight from the tub.