Protek Contract Grade is a high quality hard wearing water-based, low odour, low toxic wood protection, that is used and recommended by the trade for treating sawn and prepared timbers of all types. For use where a higher specification product is required. This first grade highly pigmented treatment leaves a micro-porous film that is very durable. This product is available in 25 litre drums or 1000 litre intermediate bulk containers (IBC’s). Up to twice the coverage of spirit-based coatings.