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Expanding foam is one of those products that fall squarely in the duct tape, bailing twine and WD-40 category. It has a list of uses that’s a mile long and is still growing. In fact, with expanding foam and the three other items mentioned above, TV’s MacGyver probably could have escaped from the bad guys, saved the day, and cooked dinner.
Expanding foam is first and foremost a product used for insulating and sealing cracks. The great benefit of it is that the stuff can fit into virtually any space. With the straw applicator, use in tight areas is a snap. Some of the most common uses for expanding foam are for sealing cracks and holes around the home, such as along the foundation or in the attic. It also is a standard product for using around window and door installations. It works as an insulation (for temperature and sound-proofing) and is an effective barrier against insects and larger pests.
Some additional uses include:
Expanding foam is notoriously messy to work with –and even more difficult to clean up if not addressed right away. There are some things to keep in mind before using the stuff, so here are a few tips: