Martes, Agosto 9, 2011

How is Spray Foam Applied


Spray foam has two major components – polyurea and urethanes – that are sprayed using a specially customized double-slot pistol with a high-pressure compressor. Spray foam is created when the two components are mixed on a surface. The mixture expands within seconds and fills in the structure of your roof. It cures within minutes forming the final solid insulation layer. Spray foam is an environment-safe polyurethane foam, an extremely durable and flexible type of polymer.

The open-cell polyurethane foam has a lower density and weighs about 0.4-0.6 lbs per cubic feet. It expands more than 100 times of its original size. It is semi-rigid and is primarily used indoors. The closed-cell polyurethane foam has a higher density and weighs about 1.5.2 lbs per cubic feet. It expands to 35-50 times its original size. It is more rigid and used at places where it has to withstand higher pressure (for example, in outdoor roofs that are regularly walked on).

Application is quick and easy and will not require a disruption in business activities. Because very little heat transfer occurs, spray foam can reduce monthly energy bill by 50% on average. You can also save money as spray foam requires minimal maintenance cost. The tight structure of the insulation materials causes less sound transfer and its seamless structure makes it impossible for any leakage to occur.

Beginning in the 1960s, spray foam was used for industrial insulation in the United States. It was soon realized that its application can also serve well in the construction industry and it has been in widespread use since.

Walang komento:

Mag-post ng isang Komento