Open Vs Closed Cell Attic Insulation In Texas

Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.

Open vs closed cell attic insulation in texas.

Open cell is more susceptible to mold and mildew but its expanding so it can hermetically seal an area. Open cell foams use water as a blowing agent. It rots roofs people have told me. Open cell polyurethane and closed cell polyurethane.

For bigger jobs such as roof attic floor and wall insulation you will. Id go with closed cell. The cells are pressed together so air and mositure are unable to get inside the foam. Open and closed cell foam insulation use a blowing agent to forms the cells within it.

Closed cell is denser better insulating. Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. A spray insulation is referred to open cell or closed cell because of the difference between the small bubbles cells that make up the foam. An overview of closed cell spray foam insulation closed cell spray foam insulation is highly efficient.

An upgrade from traditional insulations like fiberglass batts or blown cellulose texas insulation s open cell foam creates an air seal to keep conditioned air indoors and dust and pollen out. Closed cell foams use enovate also known as 245fa which is. Not long ago someone even told me that in florida roofing companies won t let their workers go up on roofs with open cell spray foam because the roofs are so spongy the guys fall right through. Seems like you wouldnt want to seal something susceptible to mold growth but maybe thats just me.

Diyers can use this foam for small jobs such as insulating door frames. Open cell foam is used in a wide range of applications such as for noise reduction in sound rooms home insulation metal buildings under roof deck for semi conditioned attics and more. The open cell polyurethane foam has an r value of 3 5 to 3 6 per inch with a price tag of 1 1 20 square foot. To support traffic and loads better.

This makes the foam a softer more flexable material. Open cell foam is full of cells that aren t completely encapsulated. Closed cell foam is made up of cells that are as the name suggests completely closed. Open cell foams typically weigh in at 0 4 to 0 5 lb cu.

In other words the cells are deliberatly left open. Closed cell foam for insulation applications range in density from 1 7 lb cu. Both low density open cell and medium density closed cell spray foam can be used in an unvented attic to provide the needed thermal resistance and airtightness. Closed cell open cell foam.

For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776. Roofing applications typically use a 2 8 to 3 0 lb cu.