In terms of energy savings there isn t much benefit to insulating an unheated porch.
Insulating floor of 3 season porch.
I looked under there today to see if i could come up with an idea for closing the gap to animals and debris.
Make sure that you wear gloves.
Roll out the fiberglass insulation sheets between the joists facing side up making sure it is snugly in place.
That would include the ceiling walls and underneath the porch floor.
Adding insulation batting to the walls and floor of your three season porch can extend its usefulness during cold weather.
If you re looking to extend the use of your three season porch or even turn it into an all season porch you ll need to look at adding insulation.
This can be stapled up between the floor joists.
A contractor i hired to insulate under my 3 season porch floor has used regular pink insulation r 27 but it has fallen out four times so far now half of it is on the ground.
Basically you should be thinking about insulating the roof floor and walls to ensure the maximum benefit.
Use a vapor barrier to keep your floor above free from condensation caused by the new insulated area.
Insulating the floor is an important step in porch conversion.
We just had a 3 season room built in place of our deck.
If it is above grade winter drafts will make the room too cold to use no matter how well the walls and ceiling are insulated.
Our contractor originally said he d add some lattice work between the bottom of the house and the ground but later said there was not enough space to work it in.
After insulation is installed no poly vapor barrier only kraft faced so that it is semi permeable go back with 3 4 t g advantec then your floor then baseshoe.
However doing so will prevent cold air from seeping into the porch and may allow you to use the porch for a few weeks longer before winter arrives.
The job of insulating the floor is easier if there is room to crawl underneath but if there isn t it can still be done.
I was really surprised to see all the brand new insulation completely.