Brilliant DIY Uses for Expanding Spray Foam Insulation

July 2024 · 2 minute read

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Improve Your Sink

Insulate and soundproof an aluminum sink by spraying the underside with spray foam, paying particular attention to the gap between sinks. If you do this while the sink is installed, ensure you are wearing safety equipment and prepare the area beneath the sink for drips.

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Photos: Courtesy of Demilec

Shore Up Concrete Problems

Spray foam really is a magical tool for household insulation, but it’s also useful outdoors to help fix concrete and pavement. Demilec, a company located in Texas, has invented a type of insulation foam that can help correct cracks and uneven pavement problems. Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor. Geolift works for driveways, sidewalks, patios, garage floors, even pool decks. And yes, it is a foam, just like your beloved spray foam!

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Igor Meshkov/Shutterstock

Insulate the House

When it comes to insulating the house, fiberglass tends to be the most common form of insulation. However, when comparing fiberglass and spray foam insulation, you might be surprised that spray foam outperforms fiberglass. 

Spray foam is a type of insulation that expands after you spray. The foam expands and seals, deterring moisture (which can create mold) and pests from eating through your walls. It protects the lining of your house, and can even assist in the heating and cooling of your house during those unbearably cold or hot days.

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