On both sides of this plywood used as concrete formwork, 120 gr / m 2 dark brown phenolic film is used. Concrete surfaces can be obtained very smooth, even and without deformation. Grout sealing is at highest level, thus exposed concrete is obtained so there is no need to liquid. Our peliwood products can be used 50-70 times provided that they aren’t exposed to physical shock and that it is complied with the terms of use.