The open valley trough range provides drainage channels at the roof valleys. These traditional, pre-formed GRP troughs are perfectly safe to use when wanting to collect rainwater runoff. Designed with a greater capacity, they are a lightweight and cost effective alternative to lead. Being manufactured from GRP, the valley troughs have the following benefits;
HDL 361 and HDL 362
The HDL 361 and HDL 362 are suitable for tile roofs. They are designed for ‘narrow’ application compliant with NFRC Technical Bulletin 28.