Leak Sealer F4 500ml Brillant White Available in Black

Available in Black

Low VOC content with a neutral odour

or using it for camping

The design reflects that of the most popular nightlatches on the market and the classic look compliments properties with a traditional look such as Victorian or Georgian homes

Leak Sealer F4 500ml Brillant White Available in BlackLeak 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