General Mastic Asphalt company logo A flat roof coated in mastic asphalt
extension interior


Mastic asphalt roofing solutions are now among the most popular flat roof surfaces chosen because of its outstanding longevity and complete waterproofing capability. As such, it is probably the top bituminous waterproofing and roof surfacing product available. It offers a void-proof surface that does not need compacting. General Mastic Asphalt has an experienced team that hand-lay the mastic asphalt with a float finish to flat, curved and sloping roofs.

• Garages

• Dormer windows

• Porches

• Extensions

• Commercial

• Outbuildings

• Curved roofs

• Sloping roof surfaces

No other roofing material can match the long-term performance and durability of mastic asphalt. A range of grades is available to suit all types of roofs and properties. General Mastic Asphalt provide this exceptionally versatile material which is easily laid to form a continuous waterproof membrane. With all of our work being fully guaranteed, why not call us for your free, no obligation quotation?

Specialising in flat roofs!

What else should I know?

For durable and attractive asphalt roofing, please call General Mastic Asphalt.

0161 264 9506

07568 352 375

07837 707 849

Company icon A flat roof on an extension