Repair Leaking Asbestos Cement Roof

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Repair leaking asbestos cement roof.

For maintenance or replacement of asbestos cement roof shingles or wall siding or to purchase new fiber cement siding and roofing products contact supradur manufacturing corporation supradur mineral fiber shingles. Cured by sunlight this laminate is quick and easy to apply and can still last for years. Fill in large cracks with mortar or roofing cement then apply a good concrete primer. If the boot is in good condition but fasteners are missing replace them with washer head roofing screws.

Once the primer is dry apply an elastomeric sealant to the cracks corners and damaged areas and then to the entire roof. Follow up with a second coat after 24 hours have passed. Where cracks are obvious c rack repair tape is a fast way to stop leaks in asbestos cement roofing but not all tapes are the same. Replace the plumbing vent boot if necessary and use washer head roofing screws to secure the base to the roof.

Although it s tempting to resort to commonplace products many are bitumen based meaning they re affected by uv light and can easily crack in the cold. Either of these situations could allow water to find its way into the house.