The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Does covering insulatrion in attic help.
In the summer natural air flow in a well vented attic moves super heated air out of the attic protecting roof shingles and removing moisture.
It has insulation on the walls that form the bedroom closet wall.
The american lung association agrees on this point.
Today s flexible ductwork is covered with a shiny metallic cover this is its vapor barrier.
Affix rigid foam insulation to the attic side of the hatch or door.
I have a whole house fan on the attic floor and when i turn it on i know it goes out through the.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Most insulation is made of fiberglass and fits into the walls between the studs before drywall is installed.
Hvac ductwork is typically visible in your attic especially flexible ductwork.
Since an average attic needs 16 inches or more of insulation the insulation is always thicker than the ceiling joists or trusses.
Given how small the attic is whenever i go in there and place remove things i tend to brush up against the insulation pulling it out from between the studs see pictures below.
Proper insulation and air sealing also keeps attics cold in winter by blocking the entry of heat and moist air from below.
Insulation will help keep your house warmer in the winter and cooler in the summer.
The shiny vapor barrier will protect the ductwork from sweating as long as it s exposed to the surrounding air.
I added a lot of fiberglass insulation to my attic floor and now have nearly 20 inches.
Attic hatch or door.
Tips and tricks to make attic flooring easy plywood floor in attic of older home.
The insulation will resist heat transfer into the house.
I have a small walk crouch in attic from the closet of one of my upstairs bedrooms.
How much money will you save insulating your attic.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
After the insulation is installed it is necessary to cover it up with a vapor barrier so the glass fibers are not inhaled.
The higher the r value the better the thermal performance of the insulation.
Pull down stair or ladder.
Builders who leave fiberglass insulation exposed are in compliance with building codes because as long as the insulation is undisturbed it poses little to no health threat.