VVWPI prcmotes pessurc trcated wood for dealers

LTHOUGH wood preservation has been used since ancient

Today, the Western Wood Preservers Institute (WWPD is promoting treated wood for new and exciting uses from retaining walls to decks and outdoor benches.

WhatYou Should Know 'About Pressure Treated Wood, a brochure produced by WWPI, is available for dealers to help answer customen' questions regarding the uses and benefits of pressure treated wood. The question and answer format covers such topics as:

What is pressure treated wood?

What preservatives are used in the treating process?

What advantages are there to treated wood?

Are there special precautions to be taken when building with pressure treated wood?

Historic lheating Techniques

Wood preservation has a long history. Ancient civilizations used various animal, vegetable and mineral oils to preserve timber piles.

Roman timbers were smeared with cedar oils and pitch, then charred. A mercuric chloride treatment which began in England in 1832 marked the beginning of modern wood preserving. Pressure injection of coal tar creosote into wood began in 1838. U.S. railroads started treating foundation piling about 1880 following their successful use of pressure treated railroad ties.

Today wood piling is a mainstay of foundation systems. Engineers and contractors depend on wood piling to perform its intended function in all kinds of structures, including manufacturing plants, processing facilities and commercial buildings. reasons to use pressure treated wood. A few being longevity, acceptability to most finishes, comparative low cost, and protection against insects and decay.

The brochure also lists ten good times, it has only been.in the last several decades that pressure treated wood has been used for more than foundation pilings.

Pressure treament has long been recognized as a process that protects wood by extending its life indefinitely. That's why building codes require wood for certain uses to be "treated" and why codes explicitly define "treated" to mean pressure treated.

As the construction process becomes increasingly more complex, the demand for product information grows. The Western Wood Preservers Institute is dedicated to providing current, accurate, technical information.

Each section systematically describes uses, characteristics and recommended specifications.

WWPI District engineers Ken Jurgens in California and John Culp in the Northwest are available to work with en-

Story at a Glance

Brochures help answer customer questions . . . education of professionals can increase use and dealer sales of pressure trcated wood why treated wood is used for many projects.

gineers and contractors to assure that treated wood is properly specified.

Assisting engineers and contractors in turn helps dealers increase sales of pressure treated wood. Many dealers sell to contractors.

Educational programs by WWPI present information to consumers and dealers interested in the use of pressure treated wood. Consumers are kept advised of the benefits of pressure treated wood for landscape projects such as decks, fences and retaining walls. Architects, engineers and contractors are shown the advantages of using treated wood for everything from piling to marinas and from bridges to fire-retardant treated siding, studs and paneling.

"Increasing customer awareness of pressure treated wood starts with dealers' knowledge of product benefits and uses, and this brochure aids the process," observes Tom Peterson of McFarland Cascade, WWPI promotion committee chairman.

An informative four-page, full color

(Please turn to page 23)

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