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I would like to insulate and Gyprock the underside of my patio roof to create an appealing outdoor area. .
Prior to this what do I use to prevent condensation, in the winter, from forming on the underneath of the galvanised rafters and corrugated roof sheets.
What to I need to use or do to prevent this prior to the installation of insulation and Gyprock?
cheers Neen
Hello @Neen
Because your patio roof is quite extensive, I suggest having a good look at this discussion - Solved: How to insulate and clad this outdoor patio by @AverageAtBest. If you were to use insulating batts it should prevent condensation from forming on the underside of the corrugated sheets. Condensation forms because warm, moist air comes into contact with a cooler surface, causing the water vapor in the air to cool down and change from a gas into liquid water. Since the surface is no longer exposed and is covered by the batts very minimal condensation should occur.
Here are some discussions about insulation you might find handy:
- How to stop condensation when insulating a deck roof by @helenmay
- How to stop condensation on a single skin patio by @pjs68
- How to insulate shed to stop condensation by @Ritar
- How to insulate a metal roof? by @bowmatty
- How to insulate a Colorbond shed roof? by @Alex75
Here is a handy step-by-step guide: How To Insulate a Ceiling
If you have any other questions we can help with, please let us know.
Eric
