Parapet & Through-Wall Drains

Parapet and through-wall drains provide a reliable way to remove surface water from flat roofs, balconies and terraces by directing it safely through parapet walls or external outlets. Our range includes high-quality options in GRP fibreglass, TPE, EPDM, PVC and TPO, giving you dependable solutions for both new installations and refurbishment projects.

Effective Drainage for Flat Roofs and Balconies

Designed for use with leading waterproofing systems, these drains integrate seamlessly with GRP fibreglass, EPDM membranes and liquid coatings . Whether you need to channel water through a parapet wall or provide overflow protection, our outlets ensure efficient drainage and protect your property from water damage.

Features & Benefits:

Compatible with GRP fibreglass, TPE, EPDM, PVC and TPO roofing systems
Ideal for flat roofs, parapet walls, balconies and terraces
Helps prevent standing water and structural issues
Durable construction for long-term reliability
Quick and straightforward installation for trades and DIY

Why Choose Trusted Building Supplies?

Wide selection of premium drainage solutions
Fast UK-wide delivery direct to your home or job site
Carefully sourced products trusted by professionals
Friendly, knowledgeable support and competitive prices

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Shop our range of parapet and through-wall drains today to complete your flat roof or balcony project with confidence. Trusted Building Supplies offers quality products, great value and dependable UK delivery for every job.