Zinc roofing – holes

Cause

Condensation is forming on the back of the zinc panels – pure water is very damaging to zinc

Cause

Corrosion is initiated through the use of the wrong fixings

Repair

  • engage an experienced building surveyor to report on the cause of the problem and to suggest repair options

Cause

The zinc is not isolated from the plywood substrate

Repair

  • engage an experienced building surveyor to report on the cause of the problem and to suggest repair options

Cause

CCA (copper-based) treated plywood has been used

Repair

  • engage an experienced building surveyor to report on the cause of the problem and to suggest repair options