It is good for black roof with waterproof paper
Roof waterproof selection is generally: SBS modified asphalt waterproofing membrane and self-adhesive waterproofing membrane.
No film or PE film (black surface) coil is generally not used for the roof; if the roof is often on the need to lay in the coil above the 5 cm thick cement mortar to do the protective layer or the choice of sand and shale surface waterproof Coil. Lough membrane (silver surface) The role of the membrane to play the radiation can be used directly for the roof without any protection.
SBS surface is divided into: PE film, no film, Liao film, sand surface, shale surface and other categories. The blacks mentioned in the problem belong to PE film and no film, and the silver is the membrane of the membrane. There is no difference between the use of good or bad comparability.
