I live in southeast nebraska and i would like to turn an east facing 19 by 8 ft.
Should a porch roof be insulated.
There is no structure above the roof.
And that will make your patio much more comfortable than it s ever been.
The temperature will rise on your porch if the roof is not insulated.
True but remember this.
The type of house you describe often has an incomplete air barrier with poor continuity between the wall air barrier and the ceiling air barrier.
Unlike a thin aluminum pan roof an insulated roof will help you keep heat away from your patio.
The only time when insulation is installed between rafters is when icynene is used and everything except the attic floor is insulated.
It doesn t matter whether the porch is enclosed or open.
Roll out the fiberglass insulation sheets between the joists facing side up making sure it is snugly in place.
If you are going to install insulation use a closed cell insulation like styrofoam this is wind proof and waterproof it can also be cut to a tight fit and in real life is the best insulation you can buy on a cost results basis.
Porch roofs can also develop ice dam problems like the rest of the house s roof.
Insulation is intended to either keep our comfort zone warm or cool depending on the place and time of year.
Already enclosed porch with a concrete floor into a 4 season living space.
A wet roof can cause mold to grow on the underside of the porch ceiling.
The insulation should fit snugly to prevent air from getting through.
An insulated patio roof will.
Keep you in touch with the outdoors.
In areas where there is extreme heat an insulated porch roof helps provide the comfort you want as you sit on the porch.
If you re willing to invest some more consider an insulated porch roof.
Unless the porch is enclosed like a three season porch there is no reason to install any insulation in the porch ceiling.
I don t see a way to vent the roof and would like to know if i used r 30 insulation and reflex it vapor barrier with the proper dead air spacing and sealed it so very little if any water vapor could.
Make sure that you wear gloves and a mask for protection.
The insulation provides a barrier just as it does under the rest of your home s roof.
Problems with porch roofs can cause intrusion of water into the interior of the house.
Nail or staple the furring strips between the joists to hold the styrofoam in place.
Soffit vents are in the under part of the roof overhang.
Cut styrofoam insulation to the correct size and layer it below the fiberglass already in place.
An insulated porch roof can provide protection from extreme heat created by the sun s rays bearing down on the roof.
Condensation can cause leaks and unattractive stains on porch.