How to waterproof roof under stone slate or shingle
Before roofing stone slate or shingle tile, it’s necessary to take waterproofing system into account. A ideal waterproof solution can increase roof’s ventilation and drainage system. Let’s start with a roofing project which needs install Fangxing 730W panel to waterproof under stone slate tile. 730W is a kind of corrugated waterproofing panel with an ‘SS’ [...]







