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

1388 Views 6 Replies 4 Participants Last post by  skipjack
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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Airflow is a good thing.

Lets exhaust gasses out, as well as any other flammable fumes that accumulate in garages.

leave the existing foil backed insulation in place, it won't hurt, add a laver of foam core over it just because more insulation is always a good thing.

install the vinyl siding per the manufacturers instructions.

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