Insulating The Floor Of An Open Porch

Sometime in the 1940s the previous owners had crudely enclosed this second floor porch with nine simple casement windows that open inward but there is no insulation nor any hvac in the enclosed porch.

Insulating the floor of an open porch.

With a wrap around porch you can enclose one side of it the best would be to enclose the side where the rain usually strikes and leave the rest of the porch open. So any plastic under the insulation will encourage moisture. You could put batts too. My only worry is how best to go about doing this.

We are in the process of building a 4 season porch from the original open porch that came with our 1917 home in ne ohio. Another option a cheaper one is to add shutters to your screened in porch so that you are protected from the cold and rainfall but you are also able to swing them open and let the fresh air in when the weather is nice. You can either have screens that come out when you put in the clear vinyl plastic or glass panels or windows. You may think that spray foam is expensive but it truly is the best solution to insulating your porch floor since the foam would not only be an insulator but also your vapour barrier at the same.

Oriented strand board osb to keep out pests. The amount of insulation that can be installed in the joists depends largely on the size of the joist. Layer of cellofoam foil faced rigid insulation over the bottoms of the joists then covered the insulation with 1 2 in. Depending on what sort of insulation he used two r 11 batts could equal r 22 in a 2x8 floor which normally would be sufficient provided there is a dead air space.

But put some mesh type metal around the. Vapor barrier goes on the warm in winter side. Foam board would help. 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.

To insulate the floor mr. The room over the porch has always been quite cold and i was looking at insulating the floor of it using rockwool or similar. Insulation is intended to either keep our comfort zone warm or cool depending on the place and time of year. Construction of this ceiling is lath and plaster 300mm separated joists and standard floor boards.

Think like storm windows for your porch. Mike put two layers of r 13 unfaced fiberglass batts in the joist cavities ran a 3 4 in.