Wet treated wood: The most common kind is still wet when you buy it. It'll be noticeably heavier than kiln-dried lumber. It may even â€œspitâ€ at you when you nail it down. Let this lumber dry out (from a few weeks to six months, depending on the weather and the condition of the lumber) before applying any stain.
Before you stain pressure–treated wood, you should clean it first. It's important to wait until your pressure–treated wood is completely dry before applying stain, as the chemicals used to treat the wood often leave additional moisture behind.
Whether or not to stain pine fences is primarily a matter of preference.. The lumber is then subjected to high pressure, which forces the chemicals deeper. intend when staining a new treated fence, as it typically dries darker than expected.