GRP Dry Valleys

GRP Dry Valleys provide a robust, durable and lightweight alternative to lead and zinc valleys.


70mm & 110mm 3m long x 400mm wide x 1.1mm

Product Codes / Weight (per pack)
Dry Slate Valley Trough  |  70mm  |  KR966000  |  25kg
Dry Tile Valley Trough  |  110mm  |  KR966100  |  29kg

Banded in packs of 10 pcs

  • Cost effective alternative to lead
  • Lightweight, flexible, safe and easy to cut
  • UV resistant
  • BBA certified

Grey UV stabilised Glass Reinforced Polyester

Fire tested to comply with BS476: Part 3 SAB and Part 7 Class 3
BBA certified

For plain angles of 90° only
20° maximum pitch variance
17.5° minimum rafter pitch
60° maximum rafter pitch                             

Allow 150mm overlap for rafter pitches 40° – 60°.
Allow 200mm overlap for rafter pitches 22.5° – 39.5°.
Allow 250mm overlap for rafter pitches 17.5° – 22°.

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