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.
Should a porch roof be insulated.
I live in southeast nebraska and i would like to turn an east facing 19 by 8 ft.
The only time when insulation is installed between rafters is when icynene is used and everything except the attic floor is insulated.
Soffit vents are in the under part of the roof overhang.
An insulated patio roof will.
The insulation provides a barrier just as it does under the rest of your home s roof.
Condensation can cause leaks and unattractive stains on porch.
Porches are often attached to the house.
Keep you in touch with the outdoors.
There is no structure above the roof.
It doesn t matter whether the porch is enclosed or open.
Problems with porch roofs can cause intrusion of water into the interior of the house.
Cut styrofoam insulation to the correct size and layer it below the fiberglass already in place.
Unless the porch is enclosed like a three season porch there is no reason to install any insulation in the porch ceiling.
Nail or staple the furring strips between the joists to hold the styrofoam in place.
An insulated porch roof can provide protection from extreme heat created by the sun s rays bearing down on the roof.
Porch roofs can also develop ice dam problems like the rest of the house s roof.
The temperature will rise on your porch if the roof is not insulated.
Already enclosed porch with a concrete floor into a 4 season living space.
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.
Roll out the fiberglass insulation sheets between the joists facing side up making sure it is snugly in place.
And that will make your patio much more comfortable than it s ever been.
Unlike a thin aluminum pan roof an insulated roof will help you keep heat away from your patio.
Insulation works both ways.
A wet roof can cause mold to grow on the underside of the porch ceiling.
Insulation is intended to either keep our comfort zone warm or cool depending on the place and time of year.
True but remember this.
The insulation should fit snugly to prevent air from getting through.
In areas where there is extreme heat an insulated porch roof helps provide the comfort you want as you sit on the porch.
Make sure that you wear gloves and a mask for protection.