Roof waterproof material, reflective aluminium foil, waterproof reflection
Basically, half a year to a year will be black. You can rest assured of this problemShanghai professional waterproof leakage repair company to solve your leakage worries, production and life without worries!!!
It is often said that PET aluminized, and aluminized layer in the following, basically will not be oxidized! This material is used to prevent the ageing of the waterproof layer underneath
Unfortunately, it tells you that it's hard to oxidize. The surface of that material is covered with polyester film
