Mastic Asphalt Coating

Mastic Asphalt is a hot poured liquid waterproofing membrane material that is used for floorsflat roofing, balconies, walkways steps, paving and basement tanking. The mastic asphalt coating is applied to the surface substrate to form an extremely strong and watertight bituminous surface black in colour.

The bitumen element of any mastic asphalt coating should be especially noted when applying any form of repair product coating such as sealants from mastic guns. Oil based mastic compounds leach into the mastic asphalt coating and will slowly break down the bituminous content as any oil based product will attack the chemical properties of mastic asphalt.

Mastic asphalt coatings contain a bitumenous compound which is a by-product of the petroleum refinement within this compound are very tightly bound particles. Additional strength can be added for various uses of mastic asphalt coatings known as “grades“ these have aggregate blended. Aggregate types can vary dependant on use but often limestone is used for roofing grades and granite is added for paving use. This material is known as mastic asphalt.

Signs you Need Mastic Asphalt Coating Repairs

• Bumps on the flat surface

• Cracks in the surface

• Vertical upstands or flashings damaged

• Blistering of the Mastic Asphalt coating

• Cracks, wrinkles or splits appear

• Sagging and pulling surface problems

• Pooled or Standing water

All of these issues can be easily rectified during annual maintenance visits by our specialist team of fully qualified mastic asphalt craftsmen.

Fully Approved Mastic Asphalt Contractors

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Heritage Asphalt Ratings

What our Customers say about our Work

“I found Heritage Asphalt by accident on the Internet. It was a video about asphalting steps. I called Ryun who was very professional and had a great deal of experience and knowledge. The job was booked in straightaway and a team set about taking off old asphalt rebuilding and repairing the big Victorian staircase and then asphalting. The finish was quite amazing, these guys are very skillful at what they do and My husband and I were delighted. They were a professional team really hard working and highly recommend them.” Customer in London

“First class job - very polite. Couldn't have chosen better - highly recommend this company. Thank you.” Mrs Susan Knight

“Perfect service. Will happy use them again if required to.” Trevor Trim

“This company goes 'the extra mile' in both workmanship, customer satisfaction and consideration.” Mrs A Lighterness

“Ryan and team arrived, late afternoon, as agreed, to review balcony, approx. 25m2, 3 sides fed by tiled roof and one long length hand-rail. Problem, 3 leaks in different places from 10yr old asphalt roof. We discussed the problem and Ryun suggested a choice of two plan of action. We found his quotation very acceptable. This work was completed as agreed, in only a few days, to our complete satisfaction. Eight months after completion, I can now report that after a very wet winter, the roof is in a sound state. An excellent job done.” Customer in Cambridge