Proper Way To Insulate Attic

Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary.

Proper way to insulate attic. Many garages have an attic above them. Lay the batts across the ceiling joists covering the existing insulation. 1a attic access door. Since home insulation changes the way attics and crawlspaces breathe it s critical that you maintain or install proper ventilation fig.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. 2d extend insulation into joist space to reduce air flows. Attic hatch or door. So with cold weather.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above. That means insulating the attic floor only not the walls and having vents in the roof. 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.

But other home maintenance tasks can also defend your house and all of its inhabitants from chilly weather and blustering winds. Pull down stair or ladder. On the same hand if there is a bedroom above the garage and not an attic the same concept applies. In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic.

When you insulate attics and crawlspaces you ve got to vent them too. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts. But what many may not know is an uninsulated attic drains energy and money.

A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Affix rigid foam insulation to the attic side of the hatch or door. How to insulate a finished attic. A guide to proper attic insulation.

In this case you would want to insulate the garage. At first it seems odd to add insulation for warmth and then purposely create ventilation holes for cold air to enter.