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Expandable Foams

Even little nooks and crannies can expose any space to unwanted sound, which is why Soundproof Cow allows you to plug those soundproofing holes with expandable foams. This type of acoustic foam is specially formulated to expand on contact to fill any gaps in soundproofing a space. Expandable Foams are perfect for: adding buoyancy increasing thermal insulation fillings voids

  • pourable urethane foam BUY NOW

    Pourable Liquid Urethane Foam 80lb.

    Also known as two-part urethane foam, this foam expands to fill any void.

    POURABLE LIQUID URETHANE FOAM 80 LB. Have you been in a situation in which your soundproofing didn’t go far enough? You’ve put up soundproofing in every room — on the walls, the ceiling and the floor — but somehow that harsh, unwanted sound is still getting in? If this experience is the one you’re having, you’re not alone. The fact is that if any cracks, holes or gaps lead from the . . .

  • pourable urethane foam 200X200 BUY NOW

    Pourable Liquid Urethane Foam 4lb.

    Also known as two-part urethane foam, this foam expands to fill any void.

    POURABLE LIQUID URETHANE FOAM 4 LB. You’ve done everything you possibly can to make your child’s nursery, your office conference room or your home podcasting studio as insulated from outside sound as it can possibly be. Or have you? If you’ve covered the walls, floor and ceiling with quality soundproofing and you’re still getting significant unwanted noise from outside, you might be missing something. That something is those little holes and . . .


Pourable Liquid Urethane Foam From Soundproof Cow

Soundproof Cow offers expandable foams in two sizes: 4 lb. liquid urethane foam, which yields 2 cubic feet of 2 lb. liquid foam, and 80 lb. liquid urethane foam, for larger jobs or multiple uses, which yields 40 cubic feet of 2 lb. urethane foam.

If you are suffering from noise control issues in your studio, home or other location where clean sound or sound blocking are issues, and you already have soundproofing installed, there is a good chance that expandable foams can solve your problem. Just like any other substance, sound waves can get into your location anywhere there are gaps that lead directly to the outside, and most buildings are riddled with tiny holes and cracks that no one has bothered to cover up.

Our pourable liquid urethane foam is an easy-to-use, two-part urethane foam that effortlessly expands to fill any void. It is a closed-cell pourable foam that you simply pour into the offending area. When it is fully cured, it is water-resistant and you are free to cover it with polyester, epoxy or resin without worrying about it melting. If you choose to paint over it, you can have a sound-tight area that no one will even notice has been treated for noise control.

You may be amazed at the difference in sound quality you’ll enjoy once you have treated your cracks and gaps with our pourable liquid urethane foam. Fill the gaps in your soundproofing with our reliable pourable liquid urethane expandable foam today!

Contact Soundproof Cow to Fill the Gaps With Expandable Foams Now

If you have used Soundproof Cow before, you know that we are always the name you can trust with great soundproofing products to meet your needs. If you have been content to suffer with gaps in your soundproofing because you felt there was no affordable, easy-to-install solution to the problem, suffer no longer.

At Soundproof Cow, we have built our reputation on the high quality and effectiveness of our soundproofing products. We research all of the soundproofing materials we develop very carefully to make sure we are bringing the best possible products to our customers.

As effective as these products are, we also pride ourselves on our ability to bring them to you at a price that will suit your budget. If you have any questions or concerns about this product, please contact us and we will take care of you right away.

We’re ready to help you fill the gaps with these great expandable foams right now. To order, ask any questions, or sign up for a free acoustic analysis of your facility, contact Soundproof Cow today.

"The times I talked with you on the telephone and corresponded through email you have been very helpful and efficient. I would highly recommend Soundproofcow.com to anyone!" S. CIMINO, LA