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(06-01-2011 08:16 PM)Ernesto Wrote:  I have used the poly foam for some cracks as well. Just off the shelf stuff. I see Koester has some nice stuff, wonder if I can get those tubes here.

Also the dewpoint chart on Koester is awesome and is even color coordinated.

The polyurea I use is made by Euclid Chemical called Qwikjoint 200.
It's a wonderful product, gells in about 7 seconds, can be easily trimmed for several hours. Costs me about $28 a twin-tube.

The downside of the product is that it sets so fast. If you don't keep the stuff flowing it will set in the mixing tube.

The upside of the product is it sets so fast. You can trim it flush almost immediately, and go over it with patch immediately.