It's started to rain and i'm in the middle of doing the roof
I'm in the middle of applying the GRP roofing base resin or finishing topcoat and it's just starting to rain.
Solutions
This is where weather preparation comes in handy and if you read our online GRP roofing guide you should have a polythene cover on site so you can throw over the entire roof. The polythene cover will protect the base resin without sticking and will just peel off when the resin has cured.
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Here are some more troubleshooting articles you may find helpful.