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| Building with the New Generation of Wood Preservatives |
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BACKYARD DECK
Many people enjoy stepping outside to the warmth, beauty, and leisure of an outdoor deck. This home, located in suburban Atlanta, features three decks constructed of Southern Pine, treated with waterborne preservatives. In addition to the original 600 square-foot deck built with traditionally treated wood, a lower 400 square-foot deck and a smaller ground-level deck were added.
Southern Pine lumber pressure treated with Copper Azole was used to build the home's 200 square-foot ground-level deck. The homeowner designed and constructed the deck with the help of his teenage sons. Construction was no different from what it would have been with traditionaly treated wood.
With an annual application of water repellent, the decks will keep
their attractive appearance for years to come. And because the new generation preservatives look and perform similarly, the different types of treated wood used on the decks blend nicely and are virtually undetectable from one another.
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COMMUNITY PLAYGROUND
Childrens' imaginations are coming to life all across America as more and more playgrounds are constructed. This custom-built playset, which stands in Napa, California, was constructed by Leathers & Associates, a family-owned business and leader in community-built playgrounds.
Specifications for this playset called for more than 34,000 board feet of pressure-treated dense select structural Southern Pine joists, columns, and beams. These wood members were treated with Alkaline Copper Quat, or ACQ, one of the new generation wood preservatives. The high-grade Southern Pine materials and ACQ preservative were chosen because of their superior qualities and ability to withstand long-term outdoor exposure and use. |
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PERMANENT WOOD FOUNDATION
Michigan's first ACQ-treated Permanent Wood Foundation (PWF) was completed in the fall of 2002. During construction, designer Roscoe Clark of PWF, Inc., who has been designing and building wood foundations for more than 20 years, referenced building details from SPC's popular PWF Design and Construction Guide.
Builders completed on-site framing of the home's custom, walk-out wood basement quickly and efficiently. More than 1,300 board feet of ACQ-treated Southern Pine lumber, requested by the owner for the PWF walls, was used during the building process. Design flexibility, warmth, and comfort provided by the Permanent Wood Foundation system adds a special dimension to almost any home design and site plan.
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MILITARY HOUSING
This 525-unit housing development at the United States Naval Air Station in Belle Chasse, Louisiana features more than four million board feet of Borate-treated Southern Pine structural framing lumber. Wood products that are treated with Borates are naturally clear and almost indistinguishable from untreated wood. In this project, the wood is tinted green to distinguish it as a treated product.
Like other new generation wood preservatives, Borate-treated lumber protects structures against decay and termites. Borates are a diffusible preservative approved for above ground applications that are continuously protected from liquid water. They are an excellent choice for enclosed structural framing, as this Navy housing project exemplifies. |
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MILLENNIUM PARK WALKWAY
As in most walkways through nature areas, environmental considerations were important in the construction process of the Boca Ciega Millennium Park in Seminole, Florida. The park director stated longevity with minimum maintenance an important factor too. Based on these requirements, pressure-treated Southern Pine materials were selected as the best choice. Traditionally treated piling, 2x10 beams, and 2x8 joists, approved for saltwater immersion, support the elevated boardwalk. Railings and decking surfaces called for Copper Azole-treated Southern Pine.
Completed in March 2002, the nature walkway extends for nearly three-quarters of a mile, much of it elevated over a brackish Gulf Coast marsh. Visitors can now get up close and personal with gopher tortoises, otters, foxes, eagles, and other wildlife that inhabit the 182-acre park, complete with a three-tier observation deck that overlooks the bay.
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