Open Cell Vs Closed Cell Spray Foam Roof

Spray foam roofing can be used to solve your commercial building s toughest challenges inside and out.

Open cell vs closed cell spray foam roof. Most closed cell foam used for insulation range from 1 7 lb to 2 lb. Open and closed cell foam insulation use a blowing agent to forms the cells within it. Open and closed cell foam are two different types of spray foam insulation. Let s not confuse open cell vs closed cell foam.

Closed cell foam can go up to 3 lb density which is often used in exterior roof applications like the superdome. Common sense tell s me if this is valid marketing then what stops water vapor from moving through the foam under pressure. There are fewer reports of problems with closed cell spray foam than with open cell spray foam. It comes down to understanding the benefits of open cell vs closed cell foam and choosing the type that fits your needs.

It is important to be aware of the difference between open cell vs closed celled spray foam insulation cost uk. The main differences between open and closed cell foam are moisture permeability r value and flexibility. Closed cell foams use enovate also known as 245fa. Open cell foam is just that open cell.

Closed cell spray foam on the other hand is also called medium density or 2 0 lb foam. Open cell foam insulation because it requires fewer ingredients to create open cell foam is affordable. They have different strengths and weaknesses and one is not necessarily better than the other. If you want to use spray foam here s my advice.

Chemical manufacturer s claim if a roof leaks water will migrate through the foam structure therefore not trapping the water. For example closed cell foam is really the only option for residential roofing adhesive due to its strength characteristics. If an installer was to install the incorrect cell type foam it could cause the insulation to work ineffectively. In addition to the situation specific considerations there are more general considerations to make when deciding between open cell and closed cell foam.

Open cell foams use water as a blowing agent. While it doesn t have as high of an r value as closed cell it is still far more effective and energy efficient than the other traditional products. Importance of knowing the difference between open cell vs closed cell spray foam insulation. When it comes to spray foam a few options are depending on your project requirements.

In this article we cover the difference between open and closed cell spray foam. We often compare the texture of open cell foam to a sponge or even angel food cake.