Rated 4.8 out of 5 by 14
Rated 5.0 out of 5.0 by AA Great for sealing leak on roof by chimney
I have a flat roof that had a spray foam roof over the old felt roof. The old felt flashing in the chimney came away from the chimney taking the foam with it allowing rainwater to flow down the side of the chimney into the house. I broke away some of the old felt/foam, pushed the nozzle of the can into the crack and squirted. Eventually the foal sealant came out of the crack and I no longer get water coming into the house when it rains.
December 31, 2015
Rated 4.0 out of 5.0 by PJ Good Expansion - No Failures
I purchase a case of Great Stuff and it's name has held up! Great Stuff.
Good penetration into small and large opening that you want to remain watertight as well as decent adhesion. Pretty strong Stuff!
April 27, 2016
Rated 5.0 out of 5.0 by chanel super stuff
1/3 the price as Beckett pond spray/same stuff. Works great instead of concrete, for filling gaps, leaks, etc. Can spray paint matching color. I buy a few cans every Spring to fix the finiky pond.
May 10, 2016
Rated 5.0 out of 5.0 by pondnut Works quite well, use carefully, it's very sticky stuff!
I've used this on 3 different ponds over the last few years and it has done a great job holding rocks in place and directing water flow. It seems to hold up well as long as direct sunlight does not hit it.
May 4, 2016
Rated 5.0 out of 5.0 by Maryland Top notch pond foam
If you're looking to seal pond stones and waterfalls to direct water flow this is what you want. Great coverage. One can goes a long way but is worthless to use next day as the foam hardens and clogs the tube. So have everything ready to foam before you start. Great Stuff pond foam is GREAT
April 19, 2016
Rated 5.0 out of 5.0 by BB53 Black Foam Sealant
In constructing a small pond similar to an old water well; using antique brick with a brick cap and interior black pond liner, I wanted to seal the top edge where the pond liner met under the brick cap. I was able to fill the gap around the interior perimeter and because the foam is black, it made a great transition that is not noticeable.
The foam expanded to fill the gaps and I was able to trim any expansion beyond the brick cap edge.
This is a great product for use around ponds and I understand that it is non toxic to fish or water plants.
March 15, 2016
Rated 5.0 out of 5.0 by stsjfsd Worked Perfect
Used this product for a DIY crack sealer project. Needed to fill in some gaps before using the actual sealer. I like this version of great stuff due to the color (black), waterproof and it doesn't seem to expand as much as the other versions. Overall worked out really well.
December 22, 2015
Rated 5.0 out of 5.0 by Tmschoey Worked well for outside use!
We were very happy with this product because we needed something that would be waterproof when applied outside.
December 9, 2015