Does anyone sell a smaller can of expanding foam?

No matter what I've tried, "saving" a partially used can never works. Foam dries up somewhere in the valve or wherever and the remainder of the can is useless.

Smallest I've seen (and the ones I usually buy and waste most of...) are 12oz.

Even a 6oz can would help.

I’ve had excellent luck for years using acetone and pipe cleaners to clean the spout and straw after use. I don’t recall having thrown out a 1/2 used can.

To fill a tiny area, I use gorilla glue. Otherwise, I just sit for a few minutes in advance and figure out every place I can use the foam, so I can hit them all... then throw out the can with a "cost of doing business" attitude.

One of our really hot summers I had a partial can sitting on a shelf next to my then brand-new truck. Go up to go to work to find that the can had exploded. Biggest mess ever. Already dried- all over the truck, garage walls, ceiling, the inside of the garage door. Only good thing was that both the foam and truck were white. Took forever to get most of it off the truck. The remainder was still there when I sold the house many years later.

quote:

Originally posted by whanson_wi:
Otherwise, I just sit for a few minutes in advance and figure out every place I can use the foam, so I can hit them all... then throw out the can with a "cost of doing business" attitude.

Same here. Not worth hanging onto a partially used can that might (but probably won't) still be usable the next time I need it.

I don't get too broken up about tossing $2 or $3 worth of unused foam from a $4 can, and then buying another $4 can the next time.

Not a solution for a source of small cans but I get a kick out of shooting the old/clogged cans - as long as you don’t mind a little mess. They explode spectacularly.

Go the opposite direction. Larger cans with a metal gun. I've kept the cans on and used them again months later, and I have removed the cans, cleaned the gun, and put the can back on when ready.

a1abdj is correct. If you're using a lot of cans.. Get a gun.

You don't need to bleed and clean the guns, you just keep your last can on the gun. Put the tip in a vaseline filled wire nut...

a1abdj,
Regardless you need to clean the tube after use correct?

No you're supposed to use the little bit, then walk around the outside or you house for twenty minutes and look in the basement if you have one, for where else you can use some more of it, before you throw it away. That's how they say in business.

That’s interesting. Would the wire nut work on the plastic straw, or is that not airtight enough? I’m not sure what starts the hardening process, I always just assumed that it was air or humidity.