Treatex W216 Preservative is a water based wood treatment for industrial, commercial and private use which offers protection against blue stain and fungal attack in timbers. It is suitable for doors, windows, fences, cladding etc. It is not suitable for timbers that are in constant contact with water or the ground.

Suitable for: External use
Recommended timbers: Timbers susceptible to blue stain and mould
Applications: Doors, windows, fences, sheds etc. (not suitable for timbers that are in contact with the ground/water).

2.5L will cover approximately 4-6m² per litre, meaning 2.5L should cover roughly 10-15m².