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Zinc roofing – holes

Asphalt shingles – ridges or peaks formed in the roof surface

Sheet membrane roofing – deterioration along substrate joints

Sheet membrane roofing springy or spongy to walk on

  • Damage to the substrate and/or framing due to water entry through the membrane or through adjacent wall claddings 

    How to repair

  • The substrate material is not thick enough to span rafters/joists

    How to repair

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