Asphalt shingles – surface cracking
Listed under: Roof, cladding, roof cladding, asphalt shingles
Cause
Surface degradation due to age
Repair
- where a few shingles only are affected, replace the shingles
- if a large number of shingles are affected, the roof should be replaced. If the old asphalt shingle roof has met minimum Building Code durability provisions (it has lasted at least 15 years) a building consent is not required; if not, a consent must be obtained before reroofing.
Cause
Careless walking on the roof particularly in cold weather (asphalt shingles become brittle in cold weather)
Repair
- where a few shingles only are affected, replace the shingles
- if a large number of shingles are affected, the roof should be replaced. If the old asphalt shingle roof has met minimum Building Code durability provisions (it has lasted at least 15 years) a building consent is not required; if not, a consent must be obtained before reroofing.
Cause
Shingles are at the end of their serviceable life
Repair
- if a large number of shingles are affected, the roof should be replaced. If the old asphalt shingle roof has met minimum Building Code durability provisions (it has lasted at least 15 years) a building consent is not required; if not, a consent must be obtained before reroofing.