This products use organic paper soaked in petroleum bitumen of low-softening point, coat both sides of the felt with petroleum of high softening point, then add insulating material. It can be used as single waterproof or waterproof piles on the building roof.
1 | - | US $ 7.49 |
2 ~ 4 | 5% OFF | US $ 7.11 |
5 ~ 9 | 10% OFF | US $ 6.74 |
10 ~ 29 | 15% OFF | US $ 6.36 |
30++ | 20% OFF | US $ 5.99 |