Burning Copper Azole Treated Wood

The copper deters insects and the fungicide prevents soil rotting the lumber.

Burning copper azole treated wood.

As with any fungicide treated materials the lumber should be handled with gloves as well as a dust mask when sawing sanding or machining the lumber. Copper azole treatments contain copper boric acid and tebuconazole type b does not contain boric acid. Copper azole is a water based wood preservative that prevents fungal decay and insect attack. The active ingredients commonly used in treated wood are alkaline copper quaternary acq copper azole ca or micronized copper azole mca.

Pressure treated wood however avoids these problems by exposing the wood to pressurized chemicals that deters insects and prevents decay. Why pressure treated wood is not safe to burn. Toxic chemicals will be emitted in the smoke and ashes from treated wood can be hazardous to livestock or wildlife. It is widely used throughout the united states and canada.

Water based preservatives like copper azole leave wood with a clean paintable surface after they dry. Follow the safe practices listed below when working with pressure treated wood. It is a fungicide and insecticide. Copper azole and alkaline copper quaternary treatments both contain a fungicide.

Chips sawdust and debris from treated wood are considered hazardous waste and should not be burned or disposed of at any location other than those specified by local government agencies. Copper azole is a registered fungicide for treatment of wood. It may look the same as traditional wood giving you a false of sense of security but pressure treated wood is not safe to burn. Because acq and copper azole contain so much more copper you can expect to pay from 15 to 35 more than you paid for cca lumber.

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. More copper makes the wood more expensive. Never burn treated wood. Material safety information copper azole treated wood products page.

Micronized copper azole penetrates into and remains in pressure treated wood for a long time. Precautions for use continued personal protection for normal work on dry treated wood a dust mask and goggles should be worn as protection from wood dust when machining or sawing. Ca is a water based preservative that can be cleaned and painted. On january 1 2004 the wood industry throughout north america has ceased to produce pressure treated wood treated with cca chrome copper and arsenic for residential use replacing this chemical with what is generically called non arsenic treatments primarily acq and copper azole ca both of which contains no arsenic but much more copper.

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