from northern canada. i am turning a attached garage with living space above into a family room. i would like to insulate the concrete floor. i have 9ft. ceilings so losing 4″ is not an issue. also i would like to add at least 1 1/2″ of rigid foam insulation to the exterior walls,of the entire house. do i put the typar on first followed by the rigid foam.
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from northern canada. i am turning a attached garage with living space above into a family room. i would like to insulate the concrete floor. i have 9ft. ceilings so losing 4" is not an issue.
No but creating a trip hazzard may be an issue. You may want to consider adding about 8 inches or the height of one of the steps going into your garage. There is probably a step down in the foundation wall to allow the garage door openning to be flush with the driveway. If so I would pour it back level with the rest of the foundation before closing it off permanently. This would allow you to properly frame the openning closed and give you a better seal at the bottom. (You don't want snow to leak into your new space.)
Odds are........you have no poly vb under your garage slab, so framing it up level to your house floor will allow you to have a break between the wood and concrete.
also i would like to add at least 1 1/2" of rigid foam insulation to the exterior walls,of the entire house. do i put the typar on first followed by the rigid foam.
Skip the typar altogether, it does nothing in your case.
Gabe