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Slow Rise Spray Foam Existing Walls

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Uploaded by on Sep 22, 2009

How blind filling a wall really goes. Spray Foam Insulation is the best because it provides a tight air seal and high R-value per inch. Whenever possible, try to see where you are spraying. Existing walls can still have foam. This video shows the pluses and minuses of blind filling a wall with Foam It Green Slow Rise kits.
Safety first. Make sure to protect your eyes and skin, have ventilation, and use the suggested p100 cartridge particulate respirator.

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Uploader Comments (janellem9)

  • Not really a job for an inexperienced do-it-yourselfer.

  • @markhinr Foam It Green kits are great for do it yourselfer's. Between our thorough instructions and 24/7 support, we're here to help our customers be successful.

  • Says GREEN but what about its decomposition rate?

  • @Ledamonster

    The foam's life cycle is typically longer than people stay in their house. One of our employees has had foam in their house for 30 years. Because it doesn't readily absorb moisture like most other forms of insulation, it lasts much longer.

  • Can I put it behind my paper/fiberglass insulation? or do I have to somehow rip it all out?

  • @MrEnergyCzar

    Ideally you tear out the fiberglass so you get a full cavity of foam with a high r-value and a tight building envelope. However, some people do put it into occupied cavities and report decent results.

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  • I really want to know soundproofing quality of this product. Open-cell foam is said to provide better sound dampening quality.

  • @zliminator Its just the shawdow of the guy working on the other side. It does look like foam leaking out.

  • No, at no point does the plexiglass separate from the studs. This is not a sales video, it's a video to show what really happens inside an empty wall cavity when blind-filling with Slow Rise foam. This way, our customers know what to expect if they attempt the project in their own home. As you can see from other points in the video, we're not hiding anything. Thanks for the question!

  • what is that at the bottom of the plexiglass at about 2:22? Is it the plexiglass being forced off of the frame by the expanding foam?

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