DAP Wall and Cavity Foam with Wide Spray Applicator Aerosol, Off White, 20 oz. (7565000370)

Thought I’d spend the money and get a foam that I thought would be more of a professional product. Not so, you’re better off with the cheaper brands. Does not adhere to the surface, runs making a big mess, which is a pain to clean up. Thought the can, being the larger size, would do more area but I really think the small cheaper brands do about the same area. Another thing to remember (which I was not aware of) is the product is NOT returnable.

Make sure to but an extra bottle as your first practice one. After you get the hang of it and the spray down it's easy to use. We used it in a well house to do all the edges on the roof and the gaps the big bottle missed. It did exactly what we needed to do. There's a lot in the can and if you do it right it can go a long way.

Great product expansion. Only down side in a tight spot, can must be emptied in upside down position.

Spray head was busted on all 4 cans and they will not return or replace them. Such a waste of money. Foam sprayed all over me and not the wall. DO NOT BUY!!!This is junk!!!

I have a cedar 4"x4" window sill that was beginning to get soft in a couple places. We were getting ready to have our house painted. I cleaned out all the rotted wood and used this to fill in the holes. I shot it in, let it set until morning and shaved off the access. Worked like a charm. Didn't have to pay to have the beam replaced. $20 well spent. Wear gloves with this stuff. Worked for what I needed.

The warning about not to over tighten the tip on to the can is crucial. Just snugged it on and it still split. used the tape that was holding it on to manage a fix. Plan out the spray pattern before actually spraying.Spray from a foot away and go lighter than you think.

Coverage seems a little over estimated, but then again I held the can upright for the first few pulls of the trigger. Read the directions. Greatstuff also has a version that seems to adhere a little better. Neither is as good as the 2 part tank systems and mix gun. If doing anything other than small repairs, go that route.

I thought this would be great for insulating rim joist cavities. Nope. I experienced a number of problems.1) The can is too long. I understand the can must be held upside down. The problem is, when you do that, there isn't enough space to get the can in a position cover the bottom corner of the cavity. It hits the floor above before you can get the right angle.2) One can could only cover three cavities. With a little practice, you could probably get it a little thinner and maybe cover four. But, at the cost of this can at about $20-25, it's not going to be cheaper than buying a Froth Pack if you're doing an entire house.3) The foam didn't stick. I cleaned the cavities with a vacuum before spraying. The foam sort of slipped or peeled away from the surface. I think it'd be better to just use a fine point foam to seal the cracks and then use foam sheets or fiberglass insulation to finish the job.