Planning on siding my garage... couple questions...

1391 Views 6 Replies 4 Participants Last post by skipjack, May 23, 2016

skipjack

Discussion Starter · Apr 4, 2016

I've been researching putting vinyl siding on my garage. It's a pretty basic 2.5 car detached garage:

Built in the 50s
Hipped roof
Plywood soffits
Wood clapboards on the outside
Some kinda foil-backed gypsum board underneath clapboards

My plan so far is to tear off the clapboards, plywood soffits, and put up vinyl siding, aluminum fascia, and vinyl soffits.

My question is.. there's currently no venting on the garage. No ridge vent or soffit vents.

I don't plan on finishing the inside of the garage.

Question 1:

Do I need to put in vented soffits when I do this? I figured some airflow might be a good thing.

Question 2:

There seems to be some sort of foil-backed gypsum board underneath the clapboards (possibly covered with tar paper).

Is this a suitable surface to put vinyl over if I nail through to the studs?

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craig11152

· #3 · Apr 4, 2016

I'd go ahead and do the vented soffit. It costs the same (I think) it can't hurt.
As to adding some foam insulation if you have the cash go ahead but I'm of a mind its not needed on an unheated detached garage. So if you have something better to do with the cash do it.

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