Spray Foam Insulation Closed Cell Vs Open Cell

Generally speaking open cell foam is better suited for residential applications specifically above grade in exterior walls roof lines attic floors and areas that need soundproofing.

Spray foam insulation closed cell vs open cell.

Open cell is lightweight foam that is flexible and an excellent air barrier. Closed cell foam is higher density foam and a moisture barrier. When it comes to insulating a home whether that s a roof insulation or floor insulation it is ideal to use icynene open cell spray foam. To ascertain foam density one cubic foot cu.

Spray foam is categorized into two types open cell or closed cell. Closed cell spray foam exterior applications. 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. Open cell spray foam costs between 0 25 to 0 50 per board foot and closed cell spray foam ranges from 0 90 to 1 50 per board foot.

In other words the cells are deliberatly left open. Closed cell foam can also increase the racking strength of attic walls which. Closed cell foam is roughly four times as dense as open cell for insulation applications. Open cell spray foam is it typically uses water as its blowing agent.

Closed cell spray foam uses a chemical agent that can give off a temporary odor with some brands. Closed cell and open cell spray foam do have different blowing agents. There are two types of spray foam insulation open cell and closed cell. This makes the foam a softer more flexable material.

In density whereas closed cell ranges from 1 7 to 3 0 lb cu. The products we use have minimal off gassing which means less of a smell. Architectural firms can specify both the building envelope for a total performance option. Open cell spray foam insulation cost open cell spray foam insulation costs 0 25 to 0 50 per board foot.

Open cell foam is full of cells that aren t completely encapsulated. Open cell foams most commonly range from 5 lb to 7lb densities. Ft of foam material is weighed. In density or even higher for certain applications.

Open cell tends to be roughly 0 5 lb cu. Closed cell spray foam is an incredible product below grade in your basement or crawl space because of its ability to block moisture see below. Open cell foam has an r value of about 3 5 to 3 7 per inch while closed cell foam has an r value of about 6 per inch.