When can you seal treated lumber?

Answer On One Hand: Treated Lumber Can Be Sealed EasilyPressure-treated lumber, already permeated with chemicals to make it weather- and bug-resistant, can be further protected by applying an outdoor wood... Read More »

Top Q&A For: When can you seal treated lumber

What is in treated lumber?

The chemicals used as preservatives in treated lumber depend on when the lumber was manufactured. Prior to 2004, chromated copper arsenate (CCA), which contains chromium, copper and arsenic, was mo... Read More »

What is the temperature of treated lumber?

According to, in many export markets heat-treated lumber must meet a minimum standard that requies a core wood temperature of 56 degrees C for at least 30 minutes.References:Fore... Read More »

Can I use treated lumber for a birdhouse?

When building a birdhouse, choose a wood that hasn't been treated. You cannot use treated lumber for a birdhouse because when it gets wet, it will emit vapors that will poison the birds.References:... Read More »

How is lumber heat-treated?

Lumber is heat-treated in a drying kiln for a number of days. The kiln removes moisture from the cut wood through evaporation. The lower moisture content makes the wood stronger than green lumber.M... Read More »