The goal is two fold.
Attic hatch material.
Intake vents located at the lowest part of the roof under the eaves allow cool.
This ible is about how to build an insulated attic hatch for cheap i am currently renovating an old building to turn it into a multi flat rental property.
Attach foil insulation board to the back of the attic hatch panel.
Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet 2 8 m 2 the vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.
Attic hatch or door.
In the summers it will radiate heat down into the house and in the winter heat and warm air will escape.
An attic hatch can have finished trim and paint look perfect and still be a giant heat sink.
Quick to install and reliable this is the complete out of the box solution for your attic scuttle hole hatch.
If the attic space is smaller than these specs then an access hatch is not required.
Since the weather is getting colder by the day up here in the northern hemisphere i had to qu.
So what to do.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
I used 1 board which has an r 6 5 insulating value.
Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
In our ongoing series on air sealing we are going to focus on the dreaded attic hatch or as allison baile s of energy vanguard so eloquently calls it a mind blowing hole in your building envelope instead of crunching the numbers as he did one just needs to walk by one in a hallway during the middle of summer to know it isn t insulated.
Affix rigid foam insulation to the attic side of the hatch or door.
Air sealing to prevent air transported heat loss and beefing up the insulation.
Insulating the attic hatch here s a real quick solution.
Several layers should be applied.