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Spray foam works to block all 3-types of heat transfer found in Austin Texas:

  1. Conductive: the flow of heat through a material to a lower or higher temperature area.
  2. Radiant: heat in the form of light warms a surface and is transferred to other materials.
  3. Convective: heat is transferred via air or water, which is blocked by air sealing a building.


Foam is non-toxic after it is cured which only takes a few minutes. However, buildings should not be inhabited for 24-48 hours after insulation installation; because there are vapors inside the air tight building envelope. As a result applicators wear full face respiratory protection systems just like professional painters do when spray painting.

Open Cell: is primarily used in homes walls, attics. The foam reduces air and noise penetration. It protects against moisture, improves air quality, but is not as strong as closed cell.

Closed Cell: is the ultimate insulator. It is typically used in commercial construction, industrial, and agricultural environments. Closed cell foam is what is used for commercial flat roof coatings and concrete foundation raising. This foam generally weighs 2-pounds per board foot (12” x 12” x 1”) which is 4-times heavier than open cell insulation foam. We use 2-pound foam to greatly strengthen and waterproof inside buildings and on top of flat roofs.


The R-value of foam varies.  Each manufacturer has a certain R-value assigned to each product they create.  Also, the value can change if it is not sprayed according to the manufacturers specifications. Untrained applicators rarely achieve the proper thermal resistance, that is why we pride ourselves in professional work.

Next, what is the density of the foam? Is it half-pound, one-pound, or two-pound foam? For example open-cell (half-pound) foam generally has an value around R-3.5, whereas closed-cell (two-pound) foam is around R-7.


New Construction

Send the blueprints to our estimating department as early in the process as possible for an initial estimate. Because once the project is “in the dry” SVB Spray Foam should come out to double-check the bid and adjust for any changes made. We will confirm dates for the install then insulation is applied after the plumbing, electrical, and HVAC are set up and inspections passed, but before drywall is installed.

Retrofit (Existing Homes, Remodels)

Need to add or replace insulation in your attic, walls, or garage? There are multiple solutions available depending on your needs. Give us a call for a free estimate and to discuss the details. There are many questions to answer depending on your situation, problem and needed results.

Exposed (Metal Barns, Agriculture, Flat Roofs)

Insulating a barn, or other structure with open exposed walls, free of drywall? This type of application can be treated like new construction if there is no concern about the foam expanding and cracking drywall.  Therefore, flat roof foam coatings and agricultural applications can be installed whenever you desire because there are not building inspections that need completing before the install.