The copper deters insects and the fungicide prevents soil rotting the lumber.
Copper azole treated timber.
For help selecting the proper type of treated wood for any setting consider consulting the primary standard setting body for treated wood the american wood protection association awpa.
Copper azole is a registered fungicide for treatment of wood.
3 of 4 date of issue.
Cca treated wood remains the best choice for marine piling seawalls and other applications exposed to salt對water organisms 爀屲break apart.
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.
Re use of treated wood is not regulated by the epa.
Micronized copper azole penetrates into and remains in pressure treated wood for a long time.
Less copper came off on wipes after copper azole ca and micronized copper azole mca treated boards were weathered for about a year.
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.
Copper azole is registered for a variety uses above and below ground as well as in freshwater and marine decking applications.
Copper azole treatments contain copper boric acid and tebuconazole type b does not contain boric acid.
Clean odorless non staining and non irritating prowood mca micronized copper azole treated lumber is safe for humans animals and the environment.
Copper azole treated wood is marketed widely under the preserve ca and wolmanized brands in north america and the tanalith brand across europe and other international markets.
Ca is a water based preservative that can be cleaned and painted.
However it is not approved at this time for s ൡltwater immersion.
Micronized copper or copper azole treatment of wood is the modern replacement for chromiated copper arsenic treatment.
Copper azole treated wood is suitable for a broad range of common applications.
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 and alkaline copper quaternary treatments both contain a fungicide.
17 consider using a tablecloth on picnic tables made from treated wood to reduce skin and food contact.
The awpa standard retention for ca b is 0 10 lb ft 3 for above ground applications and 0 21 lb ft 3 for ground contact applications.
The active ingredients commonly used in treated wood are alkaline copper quaternary acq copper azole ca or micronized copper azole mca.
The preservative penetrates the wood s cellular structure giving prowood lumber long lasting resistance to decay and termites.