Expandy Foam: It’s not Just for Insulation

Mmm, expandy foam...
Mmm, expandy foam...

Nearly everyone has heard of expanding foam, or “expandy foam” as I call it. It’s the stuff that comes in a spray can at your local home improvement store. It has a long tube that screws on to the top, and when you squirt it out, it usually looks like a thick, solid yellowish foam that expands over time as it dries and hardens.

Generally speaking, most people use it for insulating gaps, sealing around newly-installed windows, sealing cracks or gaps in old roof structures, etc.

What you might not know is that it has another particularly handy use.

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