Ready to use, highly flexible filler for internal and external gaps and cracks. Ideal for skirting, staircases and architraves where movement is possible. Moves with the substrate with no cracking, and adheres to paintwork with no need to spot prime. Can be used on painted or unpainted, new or renovated substrates including gypsum plaster, plasterboards, cement, concrete, cellular concrete, breeze blocks, bricks, and stone. Supplied in a handy cartridge with nozzle. Use on Plasterwork, Skirting Boards, Windows & Door Frames For Internal & External Use Adheres to Plaster, Masonry, Primed Wood & Paintwork Highly Flexible No Need to Spot Prime Use on Plasterwork, Skirting Boards, Windows & Door Frames For Internal & External Use Adheres to Plaster, Masonry, Primed Wood & Paintwork Highly Flexible No Need to Spot Prime