Not sure why you don't like the foam I glued an entire extension of rocks along the walls worked great the foam that expanded further then i wanted i just shaved off with a putty knife.I have two golden retrievers who like to get in the pond and I need something to glue the rocks together?
I don’t really want to use the foam stuff
As you know I can't speak long term as this was just created last year. However the foam is not so much a glue as it is a filler . Primarily does not see the sun. I guess i will see how it lasts but i have to admit i doubt it will ever see that much pressure or abuse.@GBBUDD - the foam will give out over time. We blued a few rocks in our pondless waterfall and probably three or four years in, you could easily pull up any of them with just a tug. Same with our bog wall - the foam eventually started coming out in chunks and needs to be re-done.
For aesthetic reasons, I think it's fine to use foam to hold rocks in place, but I wouldn't recommend it as a structural solution if you're hoping to hold them together when animals are involved.
However the foam is not so much a glue as it is a filler
Unfortunately most the rocks I have are (little bigger then a softball) river rock.@GBBUDD Remember that the OP is looking for a way to secure rocks because her 2 goldens will be getting in and out of it.
@okiee If your pond hasn’t been built yet, why not design it in a way that will keep the rocks securely in place — held by their own weight. Of course, it will depend on the size of your pond, but if you have a deep enough shelf, you can place some pretty hefty rocks there. Also, you could design it in such a way that you would have a “beach” area — a shallow spot for the dogs to get in and out. Dogs are smart! Teach them that THIS is the only place they are allowed. Be sure to have a very substantial liner!! Rubber, not plastic!
Oh, and most important, take lots of pictures! We love to see pond pictures!
Dog proof pondUnfortunately most the rocks I have are (little bigger then a softball) river rock.
I can’t lift the big boulders like I use to.
The beach idea is awesome
That's exactly what I'm finding in my current pond build. It doesn't really make things waterproof, that is, water can still find a way under or around it. It's more of a filler that forces water over or around it. For waterproofing, I've found that silicone (black, preferably) is better. Not sure if silicone would be any stronger than foam if used as a glue.However, the foam is not so much a glue as it is a filler.
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