Loctite Tite Foam Big Gaps White Insulating Foam Sealant, 12 oz, 1, Can

It’s a very good product for filling gaps. The foam settles down as some type of thermocol after drying. It can be used for split AC pipes holes in place of white cement. Also for gaps in windows and doors for keeping the insects out. But use the product carefully, as it expands after few minutes. You might end up wasting some of it while trying to fill the entire gap/hole with the foam. It’s better to put small quantity of foam in the gap/hole and let it expand. Then use it again if required. Be very very careful while using it. Use gloves. And Avoid it sticking to anywhere on the body, specially hairs on the head, facial hairs, hands and legs. It’s very difficult to remove after, might have to cut hairs too. And it's good if you use the entire Can in one go. Saving it for later is little difficult, as the nozzle and its discharge pipe gets clogged.

Foam is denser than Lepage or great stuff. Fixed a creaking vinyl bath tub installation.

This foam works great and it expands in a real significant way, so you don't need to use too much. It's all fairly self explanatory and it works down to 20 degrees, which I thought was shocking. I believe caulk only works down to 40, so it's handy it functions in sub freezing environments. A word of warning. It's exceptionally sticky and it can expand...unpredictably. If you're using it any place that may be overhead, use caution until it's done curing.

Cuidado, es un producto que puede no funcionar y luego para buscar el reembolso/sustitución es un una pesadilla tratar con el proveedor y con Amazon

I have a window that has a small gap. Mosquitoes would come in from there. Got this produce to fill that gap. Never have I used anything code to something like this. So I was a complete noob. If you are one, this might help you what to expect. The product does what it says. You point and spray, after some time the foam hardens. I would suggest to plan ahead. This thing comes like a shaving foam but STICKS. The first time I used it I had no Idea what i was doing and just showed pointing the gap. It EXPANDS. In matter of minutes it was a mess. So spray ONLY of the nozzle fits the gap! Another thing I did was, spray the thing on waste paper or something and let it harden. This it could cut and mould into whatever shape I wanted and filled it in smaller gaps. Other things to keep in mind. This thing is STICKY. DONT LET IT TOUCH YOUR SKIN OR SURFACES YOU DONT WANT IT ON. (From experience). Its not like you can't get it off but it is just too much work. The spray is not continuous. You need to get used to it.