The GRP Dry Fix Valley 3m is a market-leading, mortarless valley trough system designed for profiled tile roofs. Engineered to create a discreet, hidden water gulley within roof valleys, this modern alternative to traditional lead offers a clean, close-cut appearance suitable for both new-build and refurbishment projects. With no need for counter battens or special eaves closure pieces, installation is fast, simple, and highly efficient.
Manufactured from high-quality GRP (Glass Reinforced Plastic), this durable valley trough provides outstanding performance without the drawbacks associated with lead. Lightweight, easy to handle, and offering a long service life, it ensures a reliable and cost-effective roofing solution that resists staining and carries no theft value.
Key Features
Manufactured from strong and lightweight GRP for easy handling and long-term durability.
Dry fix design—no mortar required, reducing installation time and weather-related disruption.
Up to half the cost and installation time of traditional lead valleys, saving on labour and materials.
Hidden water gulley system creates a clean, close-cut finish for both new and refurbished roofs.
No counter battens or special eaves pieces needed, streamlining the installation.
30-year service life guarantee for long-lasting peace of mind.
Does not stain or streak, maintaining a neat roofline.
No scrap value, reducing the risk of theft.
Compatible with interlocking single-lap tiles—small cuts may require a support bridge (HD DVBP) or stainless steel clip (HD DVC).
Specifications
Material: GRP
Colour: Anthracite
Length: 3000 mm
Width: 360 mm
Height: 105 mm
Frequently Asked Questions
Can this valley trough replace a traditional lead valley?
Yes. GRP dry fix troughs are specifically designed as a modern, cost-effective alternative to lead, offering similar performance with easier installation and no theft risk.
Do I need special accessories for installation?
For interlocking single-lap tiles, smaller cut tiles may require support using a **support bridge (HD DVBP)** or a **stainless steel clip (HD DVC)**, especially on the left side of the valley where tile interlocks do not provide support.
Is the GRP valley suitable for refurbishment projects?
Absolutely. The dry fix design is ideal for both new-build and refurbishment work, providing a neat finish without the need for mortar or complex roofing adjustments.
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