Valley Renewal for Pitched Slate Roof in Llanfyrnach, Pembrokeshire
Renewal of horizontal roof valleys between two pitched slate roofs on a pre-1900 detached property in Llanfyrnach. Structural integrity and waterproofing improvements required.
A damaged roof valley can lead to leaks, water pooling, and structural issues if not replaced in time. Common problems include cracked lead, rusted metal, misaligned tiles, and debris buildup, all of which affect water drainage. Replacing a roof valley involves removing old materials, installing new lead, fibreglass, or metal flashing, and ensuring a watertight seal. Regular maintenance helps prevent future damage and extends the lifespan of the roofing system. In this guide, we’ll cover when roof valley replacement is necessary, how to do it, and key maintenance tips.
Renewal of horizontal roof valleys between two pitched slate roofs on a pre-1900 detached property in Llanfyrnach. Structural integrity and waterproofing improvements required.