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