Polyform is an external sealant repair system manufactured by MW Polymers, designed to permanently repair leaking, damaged or corroded ferrous pipes.
It is a two-part polyurethane resin. Once mixed, the two parts combine to form a non-slumping sealant that can easily be applied to any size or type of fitting.
It is an external repair system , supplied as a complete kit, requiring no additional tooling or special equipment.
This system is approved for use on live gas mains, and requires no grit blasting for low pressure applications.
With the simple addition of a vent kit, this system can be adapted to handle medium pressures.