Spotting one
Grey corrugated sheets with a fibrous texture, fixed with hook bolts, on garages from the 1950s to the 1990s.
Leave it
If it is sound and not leaking, it is low risk. Do not jet wash or walk on it.
Coat it
A specialist coating can seal and weatherproof a sound roof for several years.
Replace it
If it leaks, is cracked or you want to use the garage, removal and a new GRP or steel roof is the long-term fix.
This guide is general information. Every building is different, so ask us before you start work.
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