Sadolin One Coat is a high performance woodstain, which colours, enhances and protects your existing wood thanks to it's patented technology. Sadolin One Coat is easy to apply and it's excellent one coat performance can save you time, energy & money. Sadolins one coats high solids technology has any proven benefits including deeper absorption into the wood to give a fuller longer lasting colour and a greater resistance to peeling and flaking as well as a thicker coating to give a higher level of protection.