Rocks and stones

[Marco]

Hi, I am at the stage where I want to add quality underlay and liner but I keep reading about no rocks and stones. My ground is 50% rocks and stones - see images.

How perfect does this need to be before I add a quality underlay, the stones don’t end so when I take one, another appears there are millions!

Any advice welcome!

M

 

[Pablo]

Hi, I am at the stage where I want to add quality underlay and liner but I keep reading about no rocks and stones. My ground is 50% rocks and stones - see images.

How perfect does this need to be before I add a quality underlay, the stones don’t end so when I take one, another appears there are millions!

Any advice welcome!

M

I had many, many rocks and stones like you. It is impossible to get rid of all of them. You do the best you can to find the larger stones, ones that have sharp edges etc. The whole point is to avoid having a stone puncture the liner because of course when you fill the pond with water and line with boulders you are putting a lot of pressure on that liner. The recommendation is to use quality, thick underlayment and a good liner. You should have extra underlayment that you could put in some spots that you think are especially prone to puncture, same with extra liner. Some people even put two layers of underlayment.

 

[JRS]

Welcome to the forum Marco. I had a similar situation as you and Pablo. I used a geotextile landscape fabric for my underlayment off a roll. Did about 4 layers on the the bottom of the pond as insurance against the rocks since I would be walking on it at times.

 

[j.w]

@Marco