Sweets

Chemonite® Wood

Chemonite® is the registered trade name for wood treated with ACZA, or ammoniacal copper zinc arsenate, which is used to protect certain species of wood from termites and fungal decay.

It was originally developed, and remains today, as the only waterborne wood preservative which can consistently meets recognized standards of penetration and retention in desirable but otherwise difficult-to-treat species such as coastal Douglas fir.

Chemonite wood has been safely and successfully used since the 1940's in commercial and industrial applications. It is leach-resistant in water and ground.

Chemonite wood offers all of the appealing characteristics of wood along with prolonged service life. It is protected against the major causes of wood degradation: fungal decay, termites, and marine organisms, and studies indicate resistance to carpenter ants, woodpeckers, and fire.

At appropriate treatment levels, it provides protection to the range of exposures – above ground, ground contact, fresh water and salt water – and may be stored, handled, and worked with like untreated wood.

• Protects against fungal decay and insect attack, even Formosan termites
• Preserved with ammoniacal copper zinc arsenate (ACZA)
• Effective in penetration of coastal Douglas fir and other refractory species
• Long history of successful use
• Recognized by model building codes
• Leach-resistant
• Can be painted or stained
• Leaves surface free of chemical deposits
• Provides protection at all levels of exposure—above ground, ground contact, fresh water and salt water

Chemonite® wood is especially appropriate for industrial, utility, marine, and heavy construction applications, particularly those where Douglas fir or other species, such as red pine, eastern whitepine, ponderosa pine, jack pine, spruce , or western red cedar, are used or where longevity is a concern.
Typical applications include:

• Utility poles – distribution & transmission
• Building poles
• Foundation piling
• Marine piling – fresh or salt water
• Sawn timbers or supporting columns used for bridges, barns, homes or other uses
• Agricultural posts
• Post frame construction
• Highway construction

ACZA is listed in the American Wood Protection Association (AWPA) Book of Standards, section P5, for Waterborne Preservatives. Wood treated with this preservative is accepted in AWPA Standard U1 for applications in Use Categories 1 through 5, that is, from interior applications to salt water immersion. Within the requirements of the standards, ACZA can be used to treat numerous species of wood, however its ability to penetrate makes it particularly useful in the treatment of coastal Douglas fir, for which it is most commonly used.

AWPA standards are referenced in government specifications and model building codes for treated wood products. Chemonite® wood also qualifies under Canadian Federal (CSAK) Specifications.

The Western Wood Preservers Institute (WWPI), in conjunction with industry representatives, users, and scientists, developed BMPs to help ensure fixation of preservative chemical in treated wood prior to shipment. In the fixation process, the preservative bonds to the wood, making it resistant to leaching. Specification of BMPs results in wood with a very high percentage of fixed preservative, and may also reduce shipping weight.

BMPs have been established for Chemonite® treated wood. Details are available on the WWPI web site (www.wwpinstitute.org) or by contacting a producer.

Hot-dipped galvanized fasteners and connectors are recommended for use with Chemonite® ACZA-treated wood.

Available for download is a product brochure that includes a model specification.

To locate a source, see www.chemonite.com, or contact:

Arch Wood Protection, Inc.
5660 New Northside Dr. NW, Suite 1100
Atlanta, GA 30328
Tel: (678) 627-2000
E-mail: info@wolmanizedwood.com
Web site: http://www.wolmanizedwood.com