Type 2 Spray Foam Insulation

Lets do type 1 first.

Type 2 spray foam insulation.

Although spray foam insulation has been in use since the 1940s primarily for aircraft for the past 30 years continual product innovation has seen the increased adoption of spray foam insulation in residential and commercial construction. The rapid growth of sprayed foam insulation in building construction thanks in part to its immediate and long term. Spray foam insulation and insulating foam sealants are made by mixing and reacting unique liquid components. The liquids react very quickly when mixed and applied on site expanding on contact to create foam that insulates seals gaps and can form air moisture and vapor barriers.

Open cell low density half lb closed cell medium density 2 lb closed cell high density 3 lb uses. Spray foam insulation or spray polyurethane foam spf is an alternative to traditional building insulation such as fiberglass a two component mixture composed of isocyanate and polyol resin comes together at the tip of a gun and forms an expanding foam that is sprayed onto roof tiles concrete slabs into wall cavities or through holes drilled in into a cavity of a finished wall. For large insulating jobs professionals spray this insulation into place with special equipment. Touch n foam 2 component spray foam expands and touch n foam 2 component spray foam expands and cures quickly to fill cavities gaps cracks expansion joints and other sources of air leakage in a building envelope.

These spray foam kits work very well easy to use and great instructions to follow. I applied a 600 square foot kit in my crawlspace on the walls in a few hours. Quite simply an rsi of 1 8 requires slightly more foam to achieve an r 20 value than does a foam with a 2 0 rsi rating. Best for hard to reach or oddly shaped areas and already insulated areas.

For small sealing jobs spray foam is available in spray cans. Roofing applications closed cell high density. However foam insulation has higher r values and forms an air barrier which can eliminate some of the other costs and tasks associated with weatherizing a home such as caulking applying housewrap and vapor barrier and taping joints. Spray foam insulation is a liquid latex or polyurethane foam that expands and hardens to fill gaps.

Type 1 foam must have an rsi rating of 1 8 or greater whereas a type 2 foam requires an rsi rating greater than 2 0. The following is a calculation to explain further. Air sealant in hybrid insulation installation with fiberglass or other insulation material. For pricing and availability.

View spray polyurethane foam spf comparison chart. Spray foam insulation kits. Resists moisture that can lead to mold or mildew and provides increased sound and thermal insulation. For pricing and availability.

Dow froth pak 200 sealant foam insulation kit.