Each kit consists of:
0.80mm / 1.0mm ZincAL corrugated sheeting (depending on dam size)
800 micron PVC liner
-suitable for drinking water and fish 
-UV stabilizers
-contains biocides to limit the growth of fungus
-high frequency welding used on all joints
40mm outlet & valve (any size outlet can be fitted - ask our sales consultants)
All hardware needed to install your dam
Installation instructions