AWF Blog
Understanding Spray Foam Types: Wide Spray Foam vs Two Part Spray Foam vs Gap Sealants
Spray foam insulation is one of those products people think they understand — until they’re standing in front of a shelf (or staring at a product page online) wondering why there are 15 different terms and 5 different options that all look basically the same.
Wide spray. Gap filler. Insulation kits. Pro foam. Contractor foam. DIY foam.
So, what’s the difference? And more importantly — does it really matter which one you use?
Short answer: absolutely.
Using the wrong spray
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Feb 18th 2026