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;
- Up to half the cost and time of traditional lead installation
- Semi-skilled fitting procedure
- Light in weight and easy to handle
- 30 year service life guarantee
- Do not streak or stain
- No value to the thief
- Contains recycled glass
Product Codes
HDL 401 and HDL 402
Downloads
For more info on this product visit our Downloads page to find: Install Recommendations, Datasheets and Compatibility Charts
Application of the Open Valley Trough
The HDL 401 and HDL 402 are suitable for tile roofs. They are for ‘standard’ application compliant with NFRC Technical Bulletin 28.
