Our range of open valley troughs are suitable for roof pitch differentials up to 15o
The Hambleside Danelaw 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;
The HDL RP3 and HDL RP4 are suitable for tile roofs.