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Envirofoam of America

(877) 362-6552

Signed in as:

filler@godaddy.com

  • Home
  • Spray Foam
    • Learn About Spray foam
    • Spray Foam Pictures
    • Informational Videos
    • What Does Spray foam Cost
    • Foam Questions & Answers
    • Product Tech Info
  • Product Line
    • Envirofoam™ Low Density
    • Envirofoam™ Med Density
    • Envirofoam™ High Density
    • Envirofoam™ TRU-2
    • Natural Wool
    • EnviroNet™ Netting System
    • DC315 Intumescent Paint
  • Waterproofing
    • Shark Armor Polyurea
  • Find An Installer
    • Illinois Installers
    • Indiana Installers
    • Missouri Installers
    • Kentucky Installers
    • Become An Installer
  • Corkshield
  • Contact
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Spray Foam Insulation

The Basics of spray foam insulation

Spray Foam Insulation: The Essentials

 

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 benefits, has allowed the insulation material to sit confidently alongside traditional insulation types in providing thermal comfort for building occupants.

But what is spray foam insulation?  Are there different types available for different applications? And, how does sprayed foam insulation address the latest building codes while anticipating any changes to the building code? In this post, we explore the fundamentals of insulating foam and more.

About Spray Polyureathane Foam Insualtion

What is spray foam insulation?

 Spray foam insulation, also known as foaming insulation or sprayed insulation, is a two-part liquid insulation material that insulates and air seals wherever it is applied. The material comes in two large 55 gallon drums – an iso and a resin. These two liquids are kept separate until applied at the job site by a qualified, licensed spray foam installer. The two liquids travel up through a heated hose to the spray gun where they are combined to create the foam. The foam expands within seconds to fill the cavity surface.  Depending on the type of sprayed-in foam insulation used, closed-cell or open-cell, the foam expands between 40 and 100 times its size upon application.  

Different types of spray foam insulation

What foam do I need?

 

Product innovation over the years has seen the introduction of several different types of spray foam insulation. Primarily in residential and commercial construction, open-cell and closed-cell spray foam is used while high-density spray insulation is used as roofing foam in commercial or industrial construction. Open-cell sprayed-in foam insulation, a soft low-density material, is typically used for interior applications such as wall cavities, underside of roof decks, attics, basement walls and crawlspaces. The open cell structure of low density foamed insulation allows for moisture permeability to help contribute to moisture management and bi-directional drying of the wall assembly.

Closed-cell spray insulation, a rigid medium-density material, can be used in exterior applications such as continuous insulation applications, as well as interior applications. This type of foam insulation has a higher R-value per inch making it also suitable for small areas that require the highest possible R-value to meet building code requirements. Closed-cell spray foam’s rigidity help reject bulk water making it a recognized flood-resistant material by FEMA.

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