Our range of open valley troughs are suitable for roof pitch differentials up to 15o

Narrow Open Valley Trough for Tile Roofs Without Retention Bar

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 scrap value
  • Contains recycled glass

Product Codes

HDL RP3 and HDL RP4

Application

The HDL RP3 and HDL RP4 are suitable for tile roofs.

Downloads

Open Valley Troughs Datasheet
BBA 87 1915 Certificate GRP Flashing – Valley Tiled
HDL RP3 and RP4 Drawing
HDL RP3 and RP4 DWG
Danelaw Lead Replacement Products Brochure Oct19
  • Product code
    HDL RP3 and HDL RP4
  • Colour
    Anthracite
  • Made from
    GRP
  • Length
    3000mm or 2400
  • Width
    380
  • Additional Links
  • NBS Product Spec XML
    DryFixOpenValleyTroughforTiles.xml