banner Tarheel Wood Treating offers top rated Trex composite decking and railing. Tarheel Wood Treating offers up to 8x8's in treated timbers. Tarheel Wood Treating is introducing a NEW product: NatureWood treated wood. Tarheel Wood Treating offers CrystalWhite railing.
Tarheel Wood Treating Co. -- The Triangle's Number One Source for Outdoor Wood Building Products
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NatureWood® Pressure Treated Wood Products

About The Osmose NatureWood Preserved Wood Product
NatureWood preserved wood products offer termite and fungal decay protection similar to that of CCA treated wood. Ground contact testing of treated stakes confirms that while untreated SYP stakes fail in less than 5 years, stakes preserved with NatureWood preservatives perform similarly to CCA treated stakes.

Osmose NatureWood Preservative
The NatureWood® wood preservative is a waterborne, alkaline copper quaternary preservative system developed to provide long-term protection of wood exposed in exterior applications.

The NatureWood system is based on the well-established effectiveness of copper combined with an organic quaternary compound and is applied to wood by pressure treatment. Copper and quaternary compounds are effective fungicides and termiticides. Together they provide protection from a broad spectrum of fungi and termites. Quaternary compounds are commonly used as swimming pool additives, disinfectants and sanitizers and have antibacterial properties. The active ingredients, copper oxide and quaternary compounds, are dissolved in an alkaline carrier in NatureWood products.

Depending on the desired product application, wood species, and exposure hazard, the NatureWood preservative system may be formulated with a number of specialty additives such as water repellents to enhance product performance.

Lifetime Residential and Agricultural Limited Warranty
A Lifetime Residential and Agricultural Limited Warranty is offered on NatureWood products at 0.15, 0.25 and 0.40 pcf retention levels for material used in residential and agricultural applications. See Warranty for specific provisions. An independent third-party quality control is required for the use of the NatureWood trademark and NatureWood Lifetime Residential and Agricultural Limited Warranty.

Retention Guidelines

General Building Tips
When building outdoors with preserved wood, it's important to follow special construction practices, precautions, and maintenance procedures in order to get the most out of your finished product and protect it for years to come.

Most important, the project must be built safely and in accordance with state and local building codes. Before beginning your outdoor construction project using pressure treated wood, please make sure to review all building tips, consumer information, handling precautions, and care and maintenance recommendations.

When you choose pressure treated wood for your outdoor construction project, you'll want to be sure to follow quality craftsman guidelines for an excellent finished appearance and durability. Follow these helpful tips to make your project easier to build, last longer and look attractive.

When Appearance Permits, Nail Bark Side Up
As a general rule, nail boards bark side up (annual rings arc upwards) to reduce cupping. If a defect in the wood is noticeable, however, the best face should be placed up. Fasten thin boards to thicker boards to maintain structural integrity.

Drill Pilot Holes
To help minimize splitting of the wood, it's a good idea to drill pilot holes for your fasteners, especially when nailing near the edge or end of a board.

Deck Board Spacing
If the wood has been kiln dried or air dried after treatment (indicated by the word "Dry" on the end tag or stamp), it is not necessary to allow for shrinkage. However, if the wood has not been dried following treatment, some shrinkage can be expected. To allow for this, make sure to butt decking boards together.

Use an End Cut Preservative
Brush a wood preservative on all saw cuts and into drill holes during construction of wood projects. This is also recommended for any areas where moisture can collect.

After Care
There are many top quality maintenance products for your outdoor wood projects, including water repellents, stains, and cleaners. The finished product must be protected from moisture and sun damage. See Tarheel Wood Treatings' full line of Wolman wood care products and Penofin PTL penetrating oil finish.

For more product and sales info, contact Tarheel Wood Treating at 919-467-9176.

Osmose pressure treated lumber at Tarheel Wood Treating

Osmose Naturewood preserved wood product is Tarheel Wood Treating's alternative to traditional CCA pressure treated wood.

  • NatureWood products are durable and designed for outdoor construction
  • The most effective and widely used alternative to traditional pressure treated wood
  • Lifetime Residential and Agricultural Limited Warranty against structural damage caused by decay and termites
  • Ideal for structural lumber, sill plates, outdoor furniture, playground products, patios, decks, garden edging, and landscaping structures
  • Building code compliant
  • Copper-based preservative with a co-biocide
  • Use hot-dip galvanized, stainless steel or other fasteners, and hardware as recommended by the hardware manufacturer
  • Offers consumers a choice in pressure treated wood products
  • The preservatives in NatureWood products meet AWPA standards
Retaining walls and steps contructed with pressure treated wood Pressure treated wood is used for landscaping projects
Pressure treated wood fencing
Pressure treated wood makes attractive long lasting fencing

Osmose treated wood products
Pressure treated wood makes beautiful decks and gazebos

Find out info on Fastener Guidelines for NatureWood pressure treated wood: Fasteners Guidelines

Regulatory Requirements
The preservative technology in NatureWood products is registered by the EPA as a non-restricted use pesticide and does not require Proposition 65 labeling in California. NatureWood products, as described in National Evaluation Report - NER# 628, meet all major model building code requirements.

This page updated 11/18/06
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