Soffits On Detached Garage Question - Roofing/Siding - DIY Home Improvement | DIYChatroom

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Old 09-01-2008, 10:46 PM   #1
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Soffits on detached garage question

Hi everyone

I am putting up a 22x26' detached garage and am at the point of installing aluminum soffits and two roof vents.

I live in a region with extreme weather (ranging from -40 to +40 Centigrade) and would like to be able to hold occasional heat in the garage to work outside in the winter.

The package I purchased has open soffits to be covered with louvered aluminum. What is the standard protocol on venting if I want to retain heat? Should these be covered with OSB, or would I have to sheat the entire ceiling for this?

I am looking for an inexpensive way to do this, without loosing the storage in my trusses.



thirstbuster is offline   Reply With Quote
Old 09-03-2008, 11:12 AM   #2
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If it will be continuously heated, then leave the soffit venting as is. Also, you should have a properly balanced exhaust vent to match the NVFA provided by the soffit vents.

If you will only be heating the garage when you are working in there for short times, then seal off the ventilation completely.

With those temperature extremes, a sprayed on PUF insulation system for a non-ventilated application may serve you the best.



Ed the Roofer is offline   Reply With Quote

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