A next generation lightweight interior and exterior filler based on acrylic polymer and hollow ceramic microspheres.Robust macromolecular structure which gives virtually no shrinkage. Filling deep holes without sagging isn't easy but with Ronseal BHF12L Big Hole Smooth Finish Filler it is. Specially designed to fill any hole up to 50mm deep, it's a high performance filler that's easy to apply and gives a perfectly smooth finish. When dry, it can be drilled, screwed or nailed. For use in repairing plaster, stone concrete or wood.Long lasting tough repair.Extremely smooth finish.Ronseal applicator included.Very good adhesion.Easy to sand.Application: Filling Knife. Surface dry in 1 to 2 hours.Fills holes up to 50mm deep.Will accept drills, screws and nails when fully dry.Protection level: High. Size: 1.2 litre