Check the insulation manufacturer s instructions for the necessary thickness of plastic.
Installing attic insulation before drywall.
The best option is to install fiberglass batt insulation.
The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.
If you do go with insulating after you hang the ceiling just install a continuous poly vapor barrier hang the ceiling then either drop in unfaced attic batts from above or use blown.
However it can be a little messy and unpleasant.
Wiring should be installed before any insulation.
Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches.
We ve rounded up all the most important know how about attic insulation costs products prep work and installation right here.
Place the insulation with the facing side down on a piece of scrap plywood.
Keep reading for the details.
If you don t have an attic however there is no alternative but climb a ladder and do it by hand before you hang the drywall.
For instance after the framing is complete and the exterior walls have been put up you need to consider the inside of the wall cavities before you drywall the interior.
For example you can install batting insulation in the walls and blown in cellulose insulation in the attic.
Insulation work is a job that diyers can take on themselves since it is a fairly straightforward process and relatively easy to learn.
But if you can t afford to shell out a few hundred bucks for this service never fear.
Wall insulation for both interior sound deadening walls and exterior heat loss gain wall.
Dropping the faced batts in from the top will leave large leaks in the vapor barrier.
Set a t square or metal straightedge over the insulation and press it down firmly.
Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area.
Once everything is ready have the building inspector check out all the systems before the drywall is installed.
Cut the insulation roll or batt to fit the length of the framing cavity if necessary.