Blocked Gulleys On Old Asphalt Flat Roofs
You must maintain your flat roof as blockages of the drainage system can cause big problems. Leaking flat roofs are often caused by water backing up and overflowing. Even new flat roofs sometimes leak, as the pressure of the water build up finds the smallest of problems with the roof. This is why we like using the liquid roofing system for new flat roofs, as they don’t have any joints that can leak.
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