Rob Block Filler is a vinyl-acrylic copolymer emulsion-based putty, with inert graded filler, developed for filling and leveling the porosity and surface imperfections. It is a general-purpose filler for interior/exterior surfaces and is not recommended for sanding.
Recommended use
Rob Block Filler can be used as a body filler for interior/exterior surface like hollow concrete blocks, plaster, brickwork, etc. It is recommended for leveling and filling the surface imperfections and porosity.