Latexfalt Jointfill JX is a crack and joint filling product, made from special bitumen, modified with very elastic rubbers as well as mineral and rubber containing fillers. Latexfalt Jointfill JX is suitable for filling and sealing joints in horizontal surfaces and cracks in concrete, asphalt and mastic asphalt. Sealing remains intact thanks to the high elasticity of Latexfalt Jointfill JX even at extremely low temperatures.