Established roofing knowledge since 1950Based in Fetcham, serving Surrey

Specialist systems

Specialist flat-roof and waterproofing systems

Different structures and uses call for different waterproofing systems. HAC Roofing can assess felt membranes, liquid roofing, single ply, mastic asphalt, hot melt and GRP.

Built-up felt roof with rooflights and detailed upstandsReal HAC Roofing project imagery

Choose a starting point

Services shaped around the roof and the result.

If the right service is not obvious, request a survey. The recommendation should follow the evidence rather than a pre-selected product.

Liquid waterproofing applied to a domestic terrace in Cobham

Liquid Roofing

Liquid-applied waterproofing forms a seamless finish around complex details.

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Completed flat roofing installation at Kingston Hospital

Single Ply Roofing

Single ply membranes provide a lightweight, cleanly detailed option for many flat and low-pitched roofs.

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Waterproofed roof terrace beside a Surrey residence

Mastic Asphalt

Mastic asphalt creates a durable, joint-free waterproof layer and has a long history in roofs, balconies and terraces.

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Completed flat roofing installation at Kingston Hospital

Hot-Melt Waterproofing

Hot-melt waterproofing is designed for robust structural applications, including buried roofs, podiums and areas beneath landscaping or finishes where later access can be difficult.

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Built-up felt roof with rooflights and detailed upstands

Why system breadth matters

Traditional roofing and modern waterproofing under one roof.

HAC Roofing works across pitched coverings, flat-roof membranes, seamless systems and structural waterproofing. That breadth supports clearer comparisons when a property has several roof types or complex junctions.

About HAC Roofing

Discuss your roof

Start with a clear survey and written quotation.