How To Insulate And Drywall An Attic
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
How to insulate and drywall an attic. Hang drywall over the wall insulation. Plan to pull up the flooring and layer new insulation on top of the old. 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. 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.
Because the simplest and cheapest way to insulate an attic is to add material to the floor. Don t mash or compress the insulation into the space. Not sanding between layers of drywall compound. Use r 30 insulation for the ceiling and r 13 for the walls.
Move across the attic until you ve hit your desired height at every point. For example you can install batting insulation in the walls and blown in cellulose insulation in the attic. Thread the twine between the joists attaching it to the sides of the joists with drywall screws or roofing nails. Not having the insulation and utilities inspected check local code before covering them with drywall.
Driving nails too deep such that they break the paper on the panels. 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. Cut smaller drywall pieces with a razor knife to fill in the remaining areas.
Staple a 4 to 8 mill. 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. The insulation should not bulge past the joist faces. Not using drywall nails.
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. Because that is the main source of energy loss both in the winter and in the summer. It needs a certain amount of loft to work properly. 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 sanding the final coat of compound to a smooth finish. Insulation work is a job that diyers can take on themselves since it is a fairly straightforward process and relatively easy to learn.