- protect them from rottonig
- make them more aesthetically pleasing
Types;
Wood stain varnishs
- Varnishes- these have a polyurethane varnish combined with wood stain-it sits on the surface of the timber rather thean being absorbed into it.Each layer applied darkens the timber.
- Water based- these are resisted to fading and resisted to uv light. it is best appiled after sanding like a sealer
- Acrylic varnish- quick drying and non-toxic, avaliable in gloss, satin and matt finishes
- Exterior- this varnish is specially formulated microporous varnish - it lets the wood timbers breathe - mirco pours
- Polyurethane varnish- its a plastic coating
- Yacht - this is water resistance against sea and fresh water so is good from coating boats with.
- dansil oil
- finshing oil
- lisned oil
- teak oil
- lemon oil
- french polishing
- wax polishing
Tantalizing- this is were wood timbers are impregnated with a preservative solution under high vacuum pressure in an industrial vessel.
