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Mastic Asphalt
ImageMastic asphalt has long being the most successful water proofing material. Dempsey Roofing are contractors for mastic asphalt for roofing, flooring, tanking. We only use Trinidad lake based mastic asphalt for all our work.

We were the first in Ireland to use polymer modified asphalt which is now the industry standard for high end specification.

Mastic asphalt flooring is also available and is ideal as a surface which can be laid, and covered with a floor covering the same day, which is perfect for renewing an old floor without any time delay.

Mastic asphalt tanking can be used for the waterproofing underground of basements, cellars etc.