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Topic: Timber treatment


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  Timber treatment - Wikipedia, the free encyclopedia
Timber treatment or lumber treatment in forestry describes the intensive treatment of timber with chemical agents to increase its durability and ability to be used in an otherwise inappropriate situation like inground use.
Timber or lumber may be treated with a preservative that protects it from being destroyed by insects, fungus or exposure to moisture.
Timber or lumber that is treated with a preservative generally have it applied through combined vacuum and pressure treatment.
en.wikipedia.org /wiki/Timber_treatment   (1061 words)

  
 Timber - Wikipedia, the free encyclopedia
Timber is a term used to describe wood, either standing or that has been processed for use—from the time trees are felled, to its end product as a material suitable for industrial use—as structural material for construction or wood pulp for paper production.
In the U.K. and Australia, "timber" is a term also used for sawed wood products (that is, boards), whereas in the U.S., the product of timber cut into boards is referred to as "lumber".
Timber framing is a style of construction which uses heavier framing elements than modern stick framing, which uses dimensional lumber.
en.wikipedia.org /wiki/Timber   (251 words)

  
 Design Pine - Tanalised Clear H3 LOSP Timber Treatment. Pre-Primed and ready to paint.   (Site not responding. Last check: 2007-10-20)
LOSP treatment of timber is a highly efficient and successful means of treating and protecting cut timber.
For certain timber commodities such as finger jointed, laminated or engineered products as well as mouldings and structural timber, treatment with a solvent based preservative may be the most cost effective and efficient means of producing the product.
Tanalised Clear timber will have either a natural timber appearance (Clear, often with a subtle gold tint that is incorporated in the treatment), or with a factory applied coating of primer, as in the case of Design Pine.
www.designpine.com /overview/treatment.asp   (1608 words)

  
 Remedial Timber Treatment
On the other hand, specialist timber treatment can remove all severely decayed wood, preserve timber which is to remain in situ, ensure that all replacement timber is preserved and prevent the recurrence of fungal decay and insect attack.
Brushing or spraying on a wood preservative will not normally achieve total penetration through the timber – better penetration will invariably be achieved on rough-sawn softwood timber with a large amount of sapwood and a low moisture content, but there are many associated factors which can reduce the penetration of wood preservatives.
Timber can fall foul of insects such as the common furniture beetle and the deathwatch beetle, as well as from fungi such as dry rot and wet rot.
www.apollo-uk.co.uk /pages/service.html   (757 words)

  
 Cavi-Tie - Damp and Timber Treatment
Building timbers which become damp and also lack sufficient ventilation are most vulnerable to attack from dry rot.
This could mean the judicial removal of all affected timber and wall plaster in the vicinity of the inital rot outbreak followed by thorough sanitisation through the use of a concentrated fungicidal solution.
Treatment of rising damp (known as "damp-proofing" or "dampcoursing") typically involves the installation of a chemical DPC using specialist injection equipment.
www.cavi-tie.co.uk /Damp.shtml   (480 words)

  
 SAF - Policy and Press: Position Statements - Federal Tax Treatment of Timber Investments
Thus, the landowner bears the risk of physical loss until the timber is harvested and has great interest in the treatment of the trees because the amount of money received is dependent upon the volume of timber harvested and its merchandising.
The lump-sum sale is an outright sale of the standing timber under a deed in which the buyer takes immediate ownership of the timber and assumes all the risk of loss during the period from the date of the sale to time of harvest.
This study further demonstrates that timber or land is sold to pay a portion or all of the estate taxes in 40 percent of the forest estate cases where the tax is due.
www.safnet.org /policyandpress/psst/FedTaxTrtmt_62102.cfm   (3873 words)

  
 Timber treatment
possible to make conclusive inspections of the timbers of ancient timber-framed buildings because the surrounding or in-filling fabric covers a greater part of their surface.
Timbers exposed internally have often received a decorative finish that seals them and makes insecticide treatment impossible without removal of the finish.
Often the timber framework is rendered externally and plastered internally, possibly more recently using sand/cement, which often makes testing with an electrical moisture detection meter inconclusive.
www.app-ltd.com /timber.html   (414 words)

  
 Least toxic timber treatment
Conversely, chemical treatment of the pest problem without solving the damp problem will often result in reinfestation of the damp wood once the chemicals have become inactive, or in places where the chemicals were not applied to.
In discussing potential chemical treatments for timber pest infestation it is important to recognise that each pest may require a specific type of treatment and it is therefore vital that the problem is correctly identified before any treatment is carried out.
Treatment companies should be able to identify the pest but often don't for various reasons which may include restricted physical access, inexperience, or the assumption that the presence of any pest requires comprehensive chemical treatment.
www.pan-uk.org /pestnews/homepest/timber.htm   (3596 words)

  
 Tax Treatment from Timber Sales, F-30
The amount of gain or loss in a timber sale is determined by reducing the amount received from the sale by the basis of the timber and the timber sale expenses.
Timber is a capital asset if it is neither used in a trade or business or held primarily for sale to customers in the ordinary course of a trade or business.
The difference between the allowable basis for the standing timber cut during the taxable year and its fair market value as of the first day of the taxable year in which it was cut may qualify for capital gains treatment.
ohioline.osu.edu /for-fact/0030.html   (1927 words)

  
 LOSP TIMBER TREATMENT   (Site not responding. Last check: 2007-10-20)
Treatment is clear and does not discolour the timber.
Timber is fillet stacked to aid treatment and drying.
LOSP treatments are, relative to almost all other treatment processes, extremely fast, with fluid contact time with the product to be treated a matter of two or three minutes.
www.cruseng.co.nz /LOSP.htm   (1508 words)

  
 Wet Rot Timber Treatment Specialists London UK   (Site not responding. Last check: 2007-10-20)
Externally exposed timber, timber in contact with wet soil or masonry, or timber subject to a damp atmosphere can all suffer from wet rot.
Brown rots, resulting in the darkening of timber, cause cracking leaving cube like shapes which crumble, usually smaller than those associated with dry rot, although this cannot be relied upon alone for identification purposes.
Treatment involves the removal of the dampness and replacement of infected timber that has become structurally unsound together with the application of a fungicide and preservative to the affected areas.
www.dampwoodwormcontrol.co.uk /wetrot.html   (303 words)

  
 TPAA - About Treated Timber
Advances in timber preservation are extending the use of readily available and renewable species into a wide range of applications where durability is required.
The Timber Preservers’ Association of Australia is an organisation comprising timber treaters, suppliers of preservatives, research organisation and individuals and organisation having an interest in the use of preservative treated timber.
It promotes a knowledge of the principles and methods of timber preservation within the industry, assists in the establishment of and adherence to standard specifications for preservative treatment of timber, and promotes the maintenance of high standards of practice in all sectors of the preservation industry.
www.tpaa.com.au /treated.htm   (712 words)

  
 Scoop: Labour fails homeowners in timber treatment scam
Timber framing during construction is inevitably exposed to rainfall, which (because boron is soluble) will, in a major downpour, remove the boron preservative.
T1.2 treatment is cheaper and quicker to process because it simply involves a spray on surface coat at the end of the sawmill process.
Timber treatment is the ‘seat belt’ for a house, in that if leaks occur it minimises the damage.
www.scoop.co.nz /stories/PA0507/S00239.htm   (2719 words)

  
 TPAA - CCA-Treated Timber: Despatch from the Timber Treatment Plant
The treatment plant must take into account these factors to ensure that the chemicals are fully reacted and none of them remain unfixed in or on the surface of the timber.
The treated timber should not be allowed to leave the treatment plant yard until the CCA is well fixed.
Timber preservation and plant safety code requires that CCA-treated timber be held on the drip pad for at least 48 hours (this could be longer in cooler climates).
www.tpaa.com.au /ccadespatch.htm   (419 words)

  
 TTCA - Standards for Lumber and Termite Treatment   (Site not responding. Last check: 2007-10-20)
Pressure treatment plants should be built to withstand a pressure equivalent to 2 atmospheres in order to treat relatively impermeable species of timber in a treatment cycle of short duration.
Treatment vessels may be cylindirical or rectangular in section -- the latter offering economies in the volume of preservative in the working solution tank and moved through the plant during treatment.
Treatment may also be required along one side of a partition wall (especially where the wall is connected to the floor by fixtures inserted in the slab) and along cracks, expansion joints, and other critical areas.
www.ttca.com /lumber.html   (6833 words)

  
 Fraemohs Industries Timber Preservation, L.O.S.P Timber Treatment Plant   (Site not responding. Last check: 2007-10-20)
Fraemohs Timber Treatment is the one of the leading dedicated providers of industrial timber pre-treatment.
Timber is treated in a specifically designed treatment plant which meet strict environmental requirements.
LOSP treatment provides the protection needed for timbers used in building construction, out of ground contact, which then can be painted or stained.
www.timbertreatment.co.nz   (313 words)

  
 LOSP Wood Treatment   (Site not responding. Last check: 2007-10-20)
LOSP treatment also helps reduce the risk of warping, twisting, checking and any dimensional movement and can therefore be used with absolute confidence to preserve timber in its final machined shape and form.
This preservative treatment provides the protection needed for timbers used in areas of building construction that are out of ground contact.
For H3 treatment, the LOSP preservative is a clear formulation, and does not change the natural colouring of the wood.
www.rickmans-mouldings.co.nz /services/losptreatment.htm   (279 words)

  
 CCA Timber Treatment Information from Outdoor Structures Australia
The purpose of CCA (Copper Chromium Arsenate) Treatment of timber is to protect the Sapwood of timber from insect attack and fungal decay.
Timber should be branded with a number which identifies the chemical used, treatment plant, and hazard level.
CCA Treatment is effective in most of the common Hardwood species and many of the common Pine species.
www.outdoorstructures.com.au /preserve_1.php   (1151 words)

  
 a timber treatment specialist "Timtech"   (Site not responding. Last check: 2007-10-20)
Timber Queensland CEO, Rod McInnes, said Timber Queensland was concerned that some media reporting of the issue had been inaccurate and was likely to create undue public alarm – particularly for parents of young children.
This is the first treatment plant in New Zealand to use the latest generation PLC with a Windows® based PC control and reporting system, giving top floor control and reporting over this ground floor operation.
The conversion of treatment plants to take new chemicals was eventually a very rushed process as treaters were furiously treating timber with CCA (demand based) before the cut off deadline of December 31 last year.
www.timtech.info /NEWS.html   (2439 words)

  
 Sites contaminated with timber treatment chemicals [Ministry for the Environment]
Chemical treatment has been used for many years in New Zealand for preserving timbers, as softwoods such as radiata pine are prone to attack by fungi and insects.
Significant use of these organochlorines in the timber industry ceased in 1988 and they were formally deregistered for these purposes by the end of 1991.
These guidelines, Health and Environmental Guidelines for Selected Timber Treatment Chemicals, published by the Ministry for the Environment and Ministry of Health in June 1997, provide owners, occupiers, regulators and assessors of sawmill and timber treatment sites with detailed, practical advice on site assessment and management.
www.mfe.govt.nz /issues/hazardous/contaminated/timber.html   (377 words)

  
 Timber treatment CCA
CCA Treament is a waterborne copper chrome arsenic preservative used for preserving timber.
During the treatment process the three active ingredients are carried into the wood by the water.
When the treatment process is over and the timber is dry the fixation is permanent thus keeping the chemicals from washing out.
www.ajsmith.clara.net /treatment/cca.htm   (134 words)

  
 Timber treatment: Builders' notes - new edition
Timber Treatment Requirements: Notes for Builders is designed as a quick guide to the use of treated radiata pine and Douglas fir in buildings where buildings have been designed to the provisions of NZS 3602: 2003 (cited in B2/AS1).
This summary includes how to identify timber treatments and which type of treated timber needs to be used where.
Timber Treatment Requirements: Notes for Builders (PDF 982 Kb) is also available from the Department in hard copy.
www.building.dbh.govt.nz /e/publish/treatment/notes-builders.shtml   (191 words)

  
 Toxic substance profile: Timber treatment chemicals (including creosote)
The advantage of the CCA wood preservative is that they bind very tightly to the timber, giving the treated timber a long life even when immersed in water.
Of the three main use categories, industrial pre-treatment of timber represents the most likely point source of timber treatment chemicals due to the large quantities of chemicals handled at the pre-treatment sites.
Williams (1994) reviewed timber treatment chemicals in order to identify chemicals with a high to medium risk to the aquatic environment for the purpose of EQS development.
www.ukmarinesac.org.uk /activities/water-quality/wq8_27.htm   (991 words)

  
 [No title]
Each piece of timber shall be stamped with the AWPB Quality Mark certifying compliance with the treatment standards specified, except do not apply AWPB Quality Mark on timber shown as exposed in the Work and without painted finish.
Timber: 24 inches long x full width and depth, showing range of variation to be expected in appearance of timber Work, including specified treatment, if any.
A. Keep timbers dry during fabrication, delivery, storage, handling and erection, until the building enclosure is completed to the extent necessary for protection from the weather.
www.ogs.state.ny.us /dnc/masterspec/word/06130.doc   (2319 words)

  
 COPPER, CHROME AND ARSENIC TREATED TIMBER IN CHILDREN'S ...
EU directive 2003/2/EC introduces a partial ban on the use of CCA as a timber treatment as CCA is considered to be a carcinogen.
These Regulations will prohibit the use of timber with CCA with effect from 30 June 2004 in applications where there is likely to be repeated skin contact by users.
CCA treated timber is often used in the manufacture of children's play equipment due to the good protection it gives against rot, limiting the need for ongoing treatment and the good visual appearance of the treated material.
www.hse.gov.uk /lau/lacs/47-18.htm   (729 words)

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