before using window care dry flex 16
Check the moisture content of the surface (maximum 18%) and the condition of the wood
Ensure that all decayed or excessively soft wood, and weathered, damaged or burnt wood is completely removed until a sound wood
All surfaces must be free of dust, dirt, grease, raised wood fibres and general surface contamination.
Remove any paint coatings from the surfaces to be treated and sand back to bare shiny wood.
Sand the wood surface before the product is applied.