Leak Sealer F4 500ml Heating vessel This wood protection product ensures

This wood protection product ensures superior defense against weather elements

There is also a handy vacuum port that enables direct connection to a dust extractor

2 sizes: 1/2”

It gives a smooth finish that does not require sanding

Dirt resistant with excellent opacity

Leak Sealer F4 500ml Heating vessel This wood protection product ensuresLeak Sealer F4 is a internal leak sealer developed for use throughout a central heating system to seal small, inaccessible leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system, the product finds the area of oxygen ingress and forms a polymer to seal the pinhole. Effective within 1 24 hours after application, the unique sealing efficiency of this market leading water treatment chemical has been proven to