A moisture cured single part polyurethane varnish.
Used as damp-proof floor sealing, pond sealing, sealing concrete prior to fibre glass sheathing where alkali in concrete can react with resins. Also, an ideal coating for plug surfacing before taking mould as release agents and resins do not attack G4.
G4 should be applied onto a bare, clean and dry substrate. Existing coatings, paint or other treatments should be removed. Any loose pointing in brick work should be replaced or worn areas in floors repaired. Apply by brush or roller