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| Title | Publication | Publish Year |
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Does more preservative mean a better product?
Does more preservative provide better protection of wood products or does it disproportionately increase the potential for introducing pesticide into the environment? In an era of sensitivity about misuse of […]
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Forest Products Journal | 1999 |
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Douglas-Fir Plywood: Its Treated and Natural Resistance to Termites
Douglas-fir plywood test sections that included three treatments (two with preservatives, one control) were tested for resistance to subterranean termite attack by a laboratory method. The test differentiated between the […]
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Forest Products Journal | 1959 |
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Drying Problems Associated with High Pressure Preservation Treatment of Karri Cross Arms
Seventy-four green crossarms, 3-3/8 by 3-3/8 by 108 inches, of Karri (Eucalyptus diversicolor) were dried under various conditions to bring the moisture content to a level suitable for pressure treatment […]
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Forest Products Journal | 1964 |
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Drying Southern Hardwood Timbers, Crossties, and Posts
Seasoning of wood can be accomplished by the natural flow of air from the environment in which the wood is placed or by some artificial means which simulates the natural […]
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Forest Products Journal | 1976 |
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Durability improvements for structural wood composites through chemical treatments
Structural wood composites are being increasingly used in exterior applications, which increases their exposure to decay fungi and insects. This month’s feature gives an overview of the range of chemical […]
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Forest Products Journal | 2005 |
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Durability of an extruded HDPE/wood composite
As a part of wood-plastic composite (WPC) material development, this research evaluated the resistance of WPC formulations to fungal decay and biocide leaching. In laboratory tests using small WPC samples […]
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Forest Products Journal | 2002 |
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Durability of CCA B Treated Plywood with Nonconforming Penetration Patterns
Pressure treatment of commercial plywood constructed of western wood species, which subsequently exhibited penetration patterns not meeting industry standards for preservative distribution, caused concern regarding projected use for All Weather […]
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Forest Products Journal | 1982 |
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Durability of Douglas-Fir Hop Poles Treated with Preservatives By Diffusion
Six groups of 20 poles each were observed during 14 years of service in an irrigated hop yard to compare the durability of preservative-treated and untreated round, unseasoned poles of […]
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Forest Products Journal | 1970 |
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Dyes for Preserving Wood
Southern pine blocks were treated with 41 textile dyes, weathered, and exposed to six wood destroying fungi. Triphenylmethane dyes were effective, and one, ethyl violet, is an efficient fungistatic compound […]
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Forest Products Journal | 1959 |
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Dynamic Compression Results in Greatly Increased Creosote Retention in Spruce Heartwood
Dynamic transverse compression treatment of green spruce heartwood joists, prior to pressure impregnation with coal-tar creosote, resulted in increased total retention and penetrated area. Three deformation levels were tested, and […]
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Forest Products Journal | 1972 |
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Dynamic Transverse Compression of Spruce to Improve the Intake of Preservatives
Eastern white spruce lumber was subjected to dynamic transverse compression prior to impregnation with a waterborne preservative. For heartwood material conditioned to an average MC of 20 percent a deformation […]
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Forest Products Journal | 1970 |
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Economic Benefits of Precision Trimming Wood Posts Before Treating
Considerable potential operating cost savings and/or revenue increases may be realized by producers of treated wood posts if they trim post materials to exact sizes prior to treatment with preservatives. […]
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Forest Products Journal | 1986 |
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Effect of a Penta Emulsion on the Service Life of Douglas-Fir, Heartwood Posts
After 204 months, the condition of Douglas fir heartwood posts which had either been untreated, treated by a 48-hour soak in 5 percent pentachlorophenol, or treated by a 1/4- or […]
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Forest Products Journal | 1978 |
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Effect of Accelerated Fixation on Decay of CCA-Treated Wood
Hardwood (birch) and softwood (southern yellow pine) stakes were treated with chromated copper arsenate and fixed either at room temperature or by steaming. These stakes were subjected to testing in […]
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Forest Products Journal | 1983 |
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Effect of Alkaline Treatment on Decay Resistance of Wood
Laboratory tests were undertaken to determine if decay resistance of wood could be improved by alkaline treatment without heat and if a short soaking treatment could be effective. The wood […]
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Forest Products Journal | 1973 |
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Effect of Delay Between Treatment and Drying on Toughness of CCA-Treated Southern Pine
Small clear specimens of southern pine were treated with chromated copper arsenate (CCA) type C preservative, maintained in a saturated condition for various periods of time (time delay), and dried […]
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Forest Products Journal | 1983 |
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Effect of delayed drying time on copper distribution in the annual rings of ACQ-treated southern yellow pine research stakes
The copper in the new second-generation wood preservative systems for exterior residential applications in North America has been reported to require longer periods to fix in wood and to be […]
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Forest Products Journal | 2006 |
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Effect of double-density incising on bending strength of lumber
An experimental study has been conducted to evaluate the effect of a double-density incising method and chromated copper arsenate (CCA) pressure treatment on the bending strength and modulus of elasticity […]
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Forest Products Journal | 1991 |
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Effect of Drying Temperature on the Clear Wood Strength of Southern Pine Treated with CCA-Type A
The objective of this work was to determine the effect of post-treatment drying on selected properties of small, clear southern pine specimens cut from dimension lumber previously treated with CCA. […]
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Forest Products Journal | 1986 |
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Effect of Gamma Radiation on Decay Resistance of Wood
The effect of gamma radiation on the decay resistance of the heartwood of white oak, red oak, sweetgum, and Douglas-fir was studied. Air-dry 2-inch cubes of each species were irradiated […]
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Forest Products Journal | 1963 |
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Effect of glycol on movement of borate from fused borate rods
The effects of glycol compounds on borate distribution (as sodium borates) were investigated using Douglas-fir heartwood blocks conditioned to 30 or 60 percent moisture content (MC). Glycol had relatively small […]
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Forest Products Journal | 2002 |
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Effect of high temperature drying on permeability and treatment of western hemlock lumber
The effect of drying conditions on gas permeability and preservative treatability was assessed on western hemlock lumber. Although there were no differences in gas permeability between lumber dried at conventional […]
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Forest Products Journal | 2003 |
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Effect of humic acid on leaching CCA from treated wood
It is known that organic acids are effective at extracting chromated copper arsenate (CCA) components from wood, so the effect of natural humic acids on leaching was studied in the […]
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Forest Products Journal | 2001 |
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Effect of incising and preservative treatment on nail-holding capacity of Douglas-fir and hem-fir lumber
The effect of incising and preservative treatment on resistance to nail withdrawal was investigated using Douglas-fir and hem-fir lumber. Incising has no significant negative effects on resistance to nail withdrawal […]
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Forest Products Journal | 1999 |
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Effect of Incising Beech Cross Ties
Italian beech cross ties were incised with standard AREA pattern using a homemade incising machine. The resulting incisions were not so deep as desirable and obtainable with a standard machine. […]
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Forest Products Journal | 1956 |