Painting Copper Azole Treated Wood

Paints need to be acrylic based latex exterior use for cca treated wood exterior or interior use for acq treated wood.

Painting copper azole treated wood.

An acrylic based latex primer is also recommended for painting pressure treated wood. Copper azole treatments contain copper boric acid and tebuconazole type b does not contain boric acid. Cca treated wood remains the best choice for marine piling seawalls and other applications exposed to salt對water organisms 爀屲break apart. You probably know that wood swells when it gets wet and shrinks when it dries.

The active ingredients commonly used in treated wood are alkaline copper quaternary acq copper azole ca or micronized copper azole mca. And an outdoor project s not finished until it s been stained sealed or painted. The primer provides a set surface for painting eliminating the need for multiple coats of paint color. The copper deters insects and the fungicide prevents soil rotting the lumber.

Follow the safe practices listed below when working with pressure treated wood. Copper azole and alkaline copper quaternary treatments both contain a fungicide. Note that while priming and painting pressure treated wood may be easiest with a paint sprayer opt for a brush or use both in combination if the job entails detail work. Characteristics of the micronized copper preservative.

Sealing painting and staining pressure treated wood a project s not really done until it s finished. This wood preservative is ideal for use on end cuts of pressure treated lumber that come into contact with water or soil. Copper azole treated wood is suitable for a broad range of common applications. Protects outdoor wood surfaces against mold mildew rot protects outdoor wood surfaces against mold mildew rot fungi and termites with the copper green brown 14 fl.

Pressure treated wood has gone through a process that uses high pressure to force a solution of water and preservative agents deep into the lumber to help extend its useful lifespan. However it is not approved at this time for s ൡltwater immersion. Certain chemicals such as the water repellent ca c copper azole type c also makes the wood suitable for ground contact even in marine environments. Similar to cca treated and untreated wood.

However some preservative may migrate from the pressure treated wood into surrounding soil over time and there may be incidental contact with skin during construction or use. Ca is a water based preservative that can be cleaned and painted.