PPaiomai 2009-11-03 21:22:23#1Hello, is it necessary to additionally weld bitumen sheets onto the base slab afterwards despite WU concrete to keep all moisture away? Thank you
Hello, is it necessary to additionally weld bitumen sheets onto the base slab afterwards despite WU concrete to keep all moisture away? Thank you
AAndreas Euler 2009-11-08 10:34:23#2Hello, very short answer: Yes! WU stands for water-impermeable, but this does not mean that no water/moisture can penetrate; it is even permissible for water to penetrate up to 50 mm. In addition, this concrete is not vapor diffusion proof. Regards Andreas
Hello, very short answer: Yes! WU stands for water-impermeable, but this does not mean that no water/moisture can penetrate; it is even permissible for water to penetrate up to 50 mm. In addition, this concrete is not vapor diffusion proof. Regards Andreas