Bitumen waterproof mastic to seal & fill cracks and small holes whilst also providing flexibility. Ideal as plugging the deep hole gaps that need a putty like substance to build onto.  Also remains flexibile.

• With added fibre reinforcements that also work in wet conditions.
• Can be squeezed and trowelled to plug holes and gaps.
• Compatible beneath other bitumen/felt products.
• Coverage 1m² per litre.

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