Showing results 1-10 of 10

Roof leaks (visible as wet framing or water path stains)

Rafters or ridge beams sagging

  • Rafter spans too great for the timber size and/or roofing type, or roof framing has been overloaded

    How to repair

  • Poor quality timber, or cracked or broken timber

    How to repair

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Ceiling joists sagging

No roof underlay

  • It was common in older houses with metal roofs and houses with tiled roofs for the roofing to be installed without underlay

    How to repair

Roof underlay gaps

Roof underlay sagging

Pressed metal ceiling panels have corroded

Asphalt shingles – ridges or peaks formed in the roof surface

Asphalt shingles – cupping and/or curling shingles

  • Tabs were not secure because the sealing strip did not line up with the adjacent shingle when they were installed 

    How to repair

  • Incorrectly nailed shingles, for example where nails were fixed through the sealing strip, thereby limiting the effectiveness of the seal

    How to repair

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Bubbles in sheet membrane roofing

  • Poor adhesion of the membrane to the substrate

    How to repair

  • Adhesive misses – the membrane is not fully adhered to the substrate

    How to repair

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