It needs a certain amount of loft to work properly.
How to insulate and drywall an attic.
Not sanding the final coat of compound to a smooth finish.
To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes.
Blow in insulation until the hopper is empty.
Use r 30 insulation for the ceiling and r 13 for the walls.
Driving nails too deep such that they break the paper on the panels.
Staple a 4 to 8 mill.
Because that is the main source of energy loss both in the winter and in the summer.
Plan to pull up the flooring and layer new insulation on top of the old.
Insulate walls and ceiling staple insulation between the wall studs and ceiling joists image a.
That said william the most cost effective place in your house to add any amount of insulation even if you had no insulation in the exterior walls is the attic.
For example you can install batting insulation in the walls and blown in cellulose insulation in the attic.
Most codes require a specified minimum amount of headroom and it s tough to meet this requirement when insulating a finished attic especially since most codes require insulation equal to r 38 or more.
Not sanding between layers of drywall compound.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
Not using drywall nails.
Thread the twine between the joists attaching it to the sides of the joists with drywall screws or roofing nails.
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
Cut smaller drywall pieces with a razor knife to fill in the remaining areas.
You can mix and match the type of insulation you use in your home.
Then pivot in place and do the same thing to the other side.
Hang drywall in sheet sized sections of 4 feet 1 2 m by 8 feet 2 4 m 121 92 cm by 243 84 cm with drywall screws at 8 inch 20 32 cm intervals.
The insulation should not bulge past the joist faces.
Hang drywall over the wall insulation.
Not having the insulation and utilities inspected check local code before covering them with drywall.
In a perfect world you would be able to unscrew invisible bolts remove drywall panels install insulation and reinstall the panels our less than perfect world of permanently attached wallboard means time consuming hacking away of gypsum individually removing drywall screws or nails installing r 13 or greater fiberglass roll insulation and re installing the drywall.
Insulation work is a job that diyers can take on themselves since it is a fairly straightforward process and relatively easy to learn.