Pond liners need to be further protected by layers of sand or concrete or even fiber matting.
Should you use pond liner for a concrete floor.
Concrete has a number of drawbacks when used alone.
If you want the rockwork mortared in place.
There s no reason to shy away.
Ordinary builders polythene such as that used as a damp proof membrane beneath concrete is perfectly adequate.
Pond liners are normally available in rolls of standard widths.
Concrete is far easier to use than ever before thanks to advances in additive technology and delivery systems and adding an impermeable liner makes ponds that are literally bulletproof.
Just make sure they provide enough padding.
I am interested in lining a koi pond and pouring concrete over the liner any one ever done this before or have sugestions should i have dirt under the liner or set it on top of more concrete to ensure there is no funny business i have never worked with liners but no time like the present.
However it s not quite as durable or easy to use for pond lining as you might assume.
If a much tougher material is required a stack or truck load cover can be used.
For example you can use cement to capture the liner in a hand formed edge.
The inside contour of the pond can be built to have smooth flowing walls leading from the top to the bottom drain making the bottom easier to keep clean.
They can cause puncture your pond liner easily.
You will find sharp and hard material in the bottom when you construct a pond.
It is not always necessary to employ a proprietary polythene pond liner either.
You can use a wide range of materials for this purpose.
Installing a preformed liner is quicker and with a more natural result on new designs of liners that are now available.
It is easier to install rockwork on a concrete pond compared to a liner pond i e.
You know you ll get the results you re after whether you re building or fixing a pond because this product was made for ponds.
To save your liner from these objects you will need to provide pond liner underlay.
Concrete or cement can be used as a pond perimeter or shell in several ways.
Pond liner underlays materials.
This requires a mixture of cement with an admix to give it more stability along with a little color.
The strips can be welded or joined together to make the size of the liner adequate for the pond.