ProRend Colourtex Primer is coloured the same as the final render coat ensuring a continuous colour; it also contains quartz which provides a fine sandpaper-like key for good adhesion of the ProRend Colourtex. Failure to use the primer can result in poor colour consistency and coverage of the final coat. Colour match available, contact us for further details. Technical Colour: PrimroseCoverage: 35 m2/bucketShelf life: 2 yearsSurface drying: 24 hrs