Polycell Polyfilla for Wood Hardener is a specialised liquid formulation that penetrates deeply into exterior and interior decayed or rotten wood. It hardens the softened fibres, seals the surface against moisture penetration and forms a solid base for filling once dry.

Surface dry after 6 hours (depending on conditions).

Polycell Polyfilla For Wood Hardener comes in the following:

Size: 500ml.