Expert Flat Roofing Services in South Wales: Installation and Repair.

Looking for a reliable flat roof installer in South Wales? We deliver high-quality, durable flat roofing solutions perfect for extensions, garages, and commercial properties. Our local team specialises in modern, watertight systems built to handle the challenging Welsh climate, ensuring longevity and protection for your property investment.

Flat Roofing Systems: Durability for the Welsh Climate

We understand that a flat roof needs advanced protection against the specific challenges of wind-driven rain and rapid temperature fluctuations common in areas like Cardiff, Swansea, and the Valleys. To combat these conditions, we offer only the leading, high-performance systems—including EPDM and GRP—ensuring a superior, durable, and watertight seal for ultimate peace of mind.

However, even the best materials are only as good as their installation. Our team comprises highly trained and certified flat roofing specialists. We meticulously prepare the substrate and flawlessly apply every layer, ensuring optimal drainage and a perfect seal. This commitment to craftsmanship means your new flat roof isn’t just a repair—it’s a long-term investment that provides decades of secure, maintenance-free protection.

EPDM Rubber

Durable, flexible single-ply membrane with a 50+ year lifespan. UV and crack resistant.

GRP Fibreglass

Seamless, completely watertight finish. Ideal for accessible areas like balconies and terraces.

High-Performance Felt

A cost-effective and robust multi-layer system providing excellent proven weatherproofing.

Flat Roof Repair & Replacement Services.

Flat Roof Repair South Wales

We provide rapid, reliable flat roof repairs across South Wales, focusing on quick diagnosis and delivering durable, long-lasting solutions that stop problems from recurring.

  • Quick Diagnosis & Targeted Repair: We don’t just patch; we find the root cause of the failure. Common issues we expertly resolve include:

    • Ponding Water: Correcting minor dips or drainage issues that lead to standing water, which severely degrades the membrane over time.

    • Blistering & Bubbling: Identifying and repairing areas where trapped moisture or air is causing the membrane to lift from the substrate.

    • Membrane Tears & Cracks: Sealing punctures, rips, and age-related splitting using industry-approved techniques for a watertight finish.

  • Cost-Effective Solution: Our goal is to extend the usable life of your existing roof by several years. A well-executed repair is often a significantly more cost-effective alternative to a full replacement, saving you time and money.

  • All Flat Roof Types: We are experienced in repairing felt, asphalt, EPDM (rubber), and GRP (fibreglass) systems.

New Flat Roof Installation

Our new flat roof installations are a comprehensive, future-proof service designed for optimal performance, ensuring exceptional longevity and energy efficiency for your property.

  • Optimal Drainage Design: Meticulous attention is paid to the sub-structure, installing tapered insulation or cut-to-falls decking to guarantee the correct fall (slope) is achieved, ensuring water flows efficiently to the drainage points and preventing ponding.

  • Full Thermal Performance: We include and properly install high-quality insulation (typically rigid PIR boards) that meets or exceeds current UK Building Regulations, resulting in significantly reduced heat loss and lower energy bills.

  • Meticulous Membrane Application: We use only premium-grade materials, such as single-ply systems (like EPDM or TPO) or advanced liquid-applied GRP, applied precisely according to manufacturer specifications to create a seamless, monolithic, and watertight barrier.

Flat Roof Replacement

When your existing roof has reached the end of its functional life, our replacement service is a seamless, hassle-free upgrade to a high-performance modern system.

  • Full Removal of Failed Materials: We safely and efficiently remove the entire old, degraded roofing system, including the membrane, insulation, and often the decking, ensuring a clean, structurally sound base for the new installation.

  • Modern System Upgrade: We specialise in upgrading roofs to robust, long-lasting materials that are truly fit for purpose in the South Wales climate. Our preferred high-grade systems include:

    • EPDM (Ethylene Propylene Diene Monomer): A durable, highly flexible, single-ply rubber membrane known for its quick, flame-free installation and 50+ year lifespan.

    • GRP (Glass Reinforced Plastic) / Fibreglass: A strong, seamless, cold-applied liquid system that cures into an exceptionally hard-wearing, virtually maintenance-free surface.

  • Guaranteed Quality: All new installations come with a comprehensive, insurance-backed guarantee, giving you complete peace of mind in the longevity and quality of your investment.

Highly experienced roofers

Why Choose Our Local Team?

We are the preferred choice for reliable, long-lasting flat roofing across South Wales because of our:

  • Local Expertise: Deep understanding of regional building regulations and specific weather demands.

  • Quality Materials: We only use materials from trusted, industry-leading suppliers.

  • Fully Trained Installers: Our specialists are skilled in the precise installation of all modern flat roofing systems.

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Get in touch today

Receive your free Online quote

We utilise online quotes strictly as an initial estimate or rough guideline for budgeting purposes. Please be advised that the definitive and confirmed project valuation for any roofing service can only be finalised following a comprehensive, on-site assessment. A qualified member of our dedicated assessment team will conduct a thorough inspection to accurately determine the full scope of work, necessary materials, and specific logistical requirements. This professional process guarantees that the final price you receive is accurate, comprehensive, and entirely transparent.

To proceed with scheduling your detailed, no-obligation site assessment and secure your confirmed quotation, please contact our office directly.

“Professional, Skilled, and Reliable”

Had a new roof installed by South Wales Roofing and Carpentry and couldn’t be happier with the results. Darius and his team were absolutely brilliant throughout the entire process. Professional, skilled, and reliable – exactly what you want when undertaking such an important home improvement project.

Tom -Google Reviews