Things you need to check on previously treated wood
Decayed wood must be replaced
Decayed wood
Water traps
Water traps must be remedied, so that water is led away from the wood. This is done by making a glazing bead or a gradient on horizontal surfaces.
Example of water trap
Mould attack
If the wood already has incrustations, it must be treated with GORI Fjern Belægninger or GORI Algae & Moss Remover.
Clean the dirt
The wood must be cleaned to remove dirt. This can be done with GORI Algae & Moss Remover.
Normal dirt on new wood.
Surface must be clean
Before further treatment, a wooden surface should be clean, dry and solid. This is vital in order for the wood protection to adhere to and penetrate into the wood. On new wood, there are often loose wood fibres on the surface.
