Arch Wood Protection – Tanalised® E Pressure Treated Wood [ECG] [Cat.1 - Manufacture] | ecospecifier

Arch Wood Protection – Tanalised® E Pressure Treated Wood [ECG] [Cat.1 - Manufacture]

Overview:

Tanalised® E is commercially available chrome and arsenic-free timber preservative based on the active ingredients copper and tebucozanole and is suitable for residential and commercial application, above and below ground. ** (see note under Warranties below)

Product Description:

Tanalised® E Pressure Treated Wood is a range of termite resistant structural timber and decorative timber products suitable for both indoor and outdoor applications. The product is treated with Tanalised® E wood preservative, which contains Copper and Azole Biocides to provide protection against fungal decay, soft rots, insect borers and termites both in and out of ground contact. The wood preservative concentrate is manufactured in United Kingdom but the actual treatment is done is South Africa.

Tanalised® Eis an environmentally advanced timber preservative that incorporates a unique copper azole based wood protection system. Tanalised® Econforms to the latest United States EPA, European Union and Australian directives regarding suitable wood products for residential and close human contact use. Copper azole based preservatives are in wide use around the world including many countries in Europe, the United States and more specifically Japan, New Zealand, Australia in the Asia Pacific region.

PRODUCT SPECIFICATIONS

Options

Tanalised® E Pressure Treated Wood is suitable for use in all hazard classes (H3): Outside, above ground contact, (H4): Outside, in ground contact (H5): Outside, in r fresh water contact.

Colours

The treated timber has a green hue. The wood preservative liquid is blue.

Warranty

ArchWood Protection, the manufacturer of the wood preservative provides a 25 year Guarantee against wood decay and insect attack on sawn timber treated for interior and exterior above-ground application. The Guarantee is a replacement guarantee for the wood affected by these agents.

**NOTE: the warranty does not extend the Tanalised® E warranty to below ground use even though the manufacturer indicates the products are suitable for below ground use.

Expected Life

50 years for interior use, 25 years for exterior use and 15 to 25 years for in ground, or fresh water contact when treated with Tanalised® E wood preservative.

Indicative Costs

Please contact the manufacturer for more details. The cost for the product is more than CCA treated wood. The chemical treatment cost of CCA treated wood for H2/H3 is approximately R300 per m³ compared to approximately R500 per m³ for Tanalised® E treated wood. These costs are dependent on price changes from time to time, and differential between the two types of treatment should drop over time with increased volumes.The preservative is imported from the UK.

Purchase Options

Please contact the manufacturer for more details.

Constituents

· Copper carbonate and Copper hydroxide : 22.5%

· 2-Aminoethanol: 43.0 - 47.0%

· Tebucozanole: 0.44 – 0.54%

· Boric Acid: 4.9%

Technical Specifications

For technical specifications, please click here .

National & International Standards

· ISO 14001

· Treatment Standard:
SANS 10005: 2006; “The Preservative Treatment of Timber”

· Timber Product Standards:
SANS 1288: 2008; “Preservative Treatment of Timber”
SANS 457 (1,2 &3): 2000 “Wooden poles, droppers, lathes, guard rail posts and spacer blocks (Both currently being amended to include Copper Azole treated timber)

· Wood Preservative Manufacturing Standard:
SANS 1920:2009; “Mixtures of copper Azole compounds for timber preservation”

· National Green Building Certification for Wolmanized Outdoor Treatment Wood through the National Association of Home Builders (NAHN) Research Centre. Click here to see the certificate.

Country of Origin

South Africa.

Projects

South Africa:
Johannesburg Zoo: walkways and animal enclosures.

United Kingdom:
Shaftesbury Primary School, East London, 2009: Wooden Ark and Amphitheatre.

Germany:
Xanten, 2009: Wooden Fort Replica/Children’s playground.

Holland:
St Theresa School, Blithoven, Buildings structure and cladding.

Preparation

The concentrate liquid is diluted with water to form a stable treating solution. The dilution is determined by the retention required in the timber.

Tanalised® E treated timber can be painted like normal timber once dry and clean. Painting or staining of dimensional timber in exterior, weather exposed situations is strongly recommended to minimize surface mould, checking, sun bleaching and dimensional movement. Tanalised® E treated wood must not be installed in direct contact with most coated steel roofing and flashing materials.

ECOSPECIFIER LIFE-CYCLE ASSESSMENT

INTEGRATED DESIGN AND POLICY ISSUES

This treated timber avoids the issues induced by an arsenic based treatment. Arsenic pentoxide is a known toxic chemical. The general population is exposed to naturally occurring trace amounts in the environment, in foods and in drinking water. In relation to treated timber products, arsenic could be absorbed via the skin, inhaled when wood is burnt or ingested via small fragments of wood.

Firstly, for products that are manufactured after treatment and re-drying, there are potentially less problems with disposing of the dressing waste compared to CCA (Copper Chrome Arsenic). Also, for certain products in export destinations such as decking in Australia, a non-arsenic containing preservative is required under their regulations and a number of specialist New Zealand producers are responding to this opportunity. Finally there are cases where certain local public works projects have specified expensive imported hardwoods rather than CCA treated pine, and the non-arsenic based treatment is a potentially acceptable alternative solution.

Preservatives treatment enhances the durability and utility of wood products by protecting them from biological agents such as decay and termites thus prolonging the useful life of the timber, reducing environmental impacts and reducing the need to add a timber treatment after the timber in place.

This preservative treatment avoids the issues induced by CCA (Copper Chrome Arsenic) based compounds. Arsenic is a known toxic chemical. The general population is exposed to naturally occurring trace amounts in the environment, in foods and in drinking water. In relation to treated timber products, arsenic could be absorbed via the skin, inhaled when wood is burnt or ingested via small fragments of wood.

For products that are manufactured after treatment and re-drying, there are potentially less problems with disposing of the dressing waste compared to CCA (Copper Chrome Arsenic) as chrome is a heavy metal, bioccumulative and toxic in even very small quantities. Also, for certain products in export destinations such as decking in Australia, a non-arsenic containing preservative is required under their regulations and a number of specialist New Zealand producers are responding to this opportunity. Finally there are cases where certain local public works projects have specified expensive imported hardwoods rather than CCA treated pine, and the non-arsenic based treatment is a potentially acceptable alternative solution.

HUMAN HEALTH

Health
In the context of this product, boric acid is considered non-toxic to humans. However, European Commission classified boric acid as reprotoxic category 2, based on high concentration animal studies although this study has caused considerable controversy.

Alkanolamine (2-aminoethanol) is a Volatile Organic Compound (VOC) under the EU definition. However it is used to dissolve copper carbonate/copper and is effectively consumed as it forms copper amine complexes in solution. In the context of this product, this component is not dangerous because of the small quantity.

In the manufacture of the wood preservative, emission of components are controlled to minimum levels through closed vessels with extraction linked to scrubber systems.

Comfort
Not applicable.

Indoor Environment Quality
Product contains no added formaldehyde when used in interior applications, such as internal framing.

Electromagnetic Radiation
Not applicable.

Safety
Not applicable.

Accessibility
Not applicable.

ECOLOGICAL QUALITY

Terrestrial
Emissions – Manufacture of non ferrous metal (copper) potentially emit National Pollutant Inventory (NPI) listed substances (source: Non-ferrous Metal Manufacture v1.1, 2001 and Structural and Metal Product). These impacts are minimised due to the regulatory and management practises in place in the forests and plantations timber is sourced from.

Physical –Extraction of copper results in the removal and stockpiling of topsoil, and removing overburden and inter-burden, resulting in modified soil profiles, topography and drainage.

Aquatic
Emissions – The extraction of copper, bauxite and brass and the production of aluminium and other metals has localised emissions to aquatic environments around production facilities.

Physical – Not known

Atmosphere
Greenhouse (GHG)– The ability of timber products to store absorbed carbon and emit minimal greenhouse gases during production is a major consideration when comparing timber to alternative materials. The carbon sequestered during the life cycle of timbers has the potential to offset the emissions from the use of the preservative and result in a carbon neutral product or even a carbon sink.

Greenhouse intensity –Information not available.

Transport intensity – Product is manufactured in United Kingdom. GHG intensities for shipping product are shown below. Shipping port from country of origin is in Liverpool. Destination port is in Durban.

Product weight	Distance to destination port	Energy Intensity - Container Shipping	GHG Intensity - Container Shipping
1 kg / kg	12658.4 km	0.000135MJ / kg.km	0.000011kgCO2e / kg.km

· Greenhouse Intensity for Container Shipping of 1kg Tanalised® E Pressure Treated Wood – 0.14MJ / kg

Table below provides land transportation greenhouse intensity figures to help calculate the greenhouse gas intensity of land transportation from shipping port.

Light commercial vehicle	Rigid Truck	Articulated Truck
0.001451kgCO2e / kg.km	0.000195kgCO2e / kg.km	0.000069kgCO2e / kg.km

Transport intensity figures sourced from Australian National Greenhouse Gas Inventory 1990, 1995 and 1999 and WWF International, Inland Navigations and Emissions, 2005.

Operational efficiency – Not applicable.

Re-use Efficiency – Not applicable.

Toxics and Pollutants – Not applicable.

Ozone Depletion – Not applicable.

Urban Heat Island Effects – Not applicable.

Noise – Not applicable.

Biodiversity
The South African pine supplied for their structural timber requirements come from plantations which are certified under Forestry Stewardship Council (FSC) forestry management certification, which prevents biodiversity damaging practices. FSC Chain of Custody Certification should be provided in order to ensure that the products are legally and environmentally responsibly sourced.

The use of wood preservatives prolongs the life of timber products thereby reducing pressure on timber resources.

RESOURCE DEPLETION

Resource Efficiency
All the timber at this stage is South African pine species primarily pinus radiata, patula, ellioti and pinaster. This is a renewable and abundant resource.

Embodied Fossil Fuel Energy
Embodied energy information for product not available.

Transport intensity – Product is manufactured in United Kingdom. Energy intensities for shipping product are shown below. Shipping port from country of origin is in Liverpool. Destination port is in Durban.

· Energy Intensity for Container Shipping ofTanalised® EPressure Treated Wood – 1.71 MJ / kg

Embodied Water
Information not available. According to a recent study undertaken by Arch in USA, wood plastic composite (WPC) products use 2.4 times more water than compared to decking cooper azole (CA) treated decking.

Durability
Tanalised® E Pressure Treated Wood is durable with a life expectancy of 50 years for interior use, 25 years for exterior use and 15 to 25 years for in ground contact when treated with Tanalised® E wood preservative..

Reusability
Yes, within reason treated timber can be re-used in other projects.

Repairability
Yes, treated timber can be repaired. Supplementary preservative products are available for remedial protection.

Design for Dematerialisation

Not applicable.

Design for Disassembly
Not applicable.

Recyclability
The preservative chemical cannot be recycled once impregnated into the timber.

Treated timber must be disposed at landfill sites, and must not be burnt as all treated timber, as toxic fumes or residues may be produced.

Maintenance
Timber used is highly durable and is able to be re-sanded and re-finished to extend life.

Product Takeback Scheme
No.

Extended Producer Responsibility (EPR)
Yes.

CORPORATE AND SOCIAL SUSTAINABILITY

Audits and Environmental Reporting
Arch Chemicals, the corporate company undertakes a responsible care audit of all its operating facilities world-wide on a regular basis. At a business unit level TUV audits all Quality and Environmental Management Programs.

Currently, Arch Corporate is putting together a Corporate Sustainability Program to determine the carbon footprint of their various manufacturing facilities.

Arch Wood Protection has been a signatory to the Chemical and Allied Industries Responsible Care Commitment Program since 2007, and subscribes to their principles in operating in a Responsible Care Environment.

Convictions
No.

Environmental Policy
Yes, Arch have a Corporate Responsible Care Policy and is ISO 9001: 2008 and ISO 14001 : 2004 accredited and compliant.

Social Enhancement Programs
Arch Wood Protection South Africa is involved with a number of local community projects, including supporting local crèches and youth soccer leagues.

Technology Transfer Programs
Arch Wood Protection supplies plant engineering expertise into developing countries, and has provided lease treatment plants (Arch provides the capital for the plant) to broad black economic empowerment projects in South Africa.

Environmental Management Systems (EMS)
Yes

ECOSPECIFIER ISSUES OF CONCERN / RED LIGHTS

None.

ECOSPECIFIER VERIFIED GREEN BUILDING SCHEME PRE-ASSESSMENT

Green Star SA™ Office Version 1 Compatibility

INDOOR ENVIRONMENT QUALITY

IEQ-14 Formaldehyde Minimisation

Green Star SA™ Retail Centre Version 1 Compatibility

INDOOR ENVIRONMENT QUALITY

IEQ-9 Formaldehyde Minimisation

Green Star SATM is a registered mark of the Green Building Council of South Africa (GBCSA). Assessments shall not be reproduced in part at any time. This listing constitutes an ecospecifier Technical Opinion and is not endorsed by the GBCSA or its agents. For detailed technical information about Credit requirements refer to Green Star SATM Technical Manuals. Rating Tools and Technical Manuals are subject to change by the GBCSA, and any decision regarding the award of credits towards a Green Star SATM rating is at the sole discretion of the GBCSA.

NOTE: the following tools have not been adopted in South Africa but are included for information purposes:

Green Star™ Education Version 1

INDOOR ENVIRONMENT QUALITY

IEQ-9: Formaldehyde Minimisation

Green Star™ Industrial Version 1

INDOOR ENVIRONMENT QUALITY

IEQ-9: Formaldehyde Minimisation

Green Star™ Multi Unit Residential Version 1

INDOOR ENVIRONMENT QUALITY

IEQ-9: Formaldehyde Minimisation

Green Star™ Healthcare Version 1

INDOOR ENVIRONMENT QUALITY

IEQ-9: Formaldehyde Minimisation

GBCA disclaimer

ASSESSMENT COMPARISON
CCA treated timber

Wood Plastic Composites, steel, concrete.

KEYWORDS / ALTERNATIVES
Pressure Treated Wood, treated timber, wood preservative, protection against fungal decay, softrots, insect borers, termites, sawn timber, wooden poles, wood preservative liquor, CCA, CA-B, CA-C, Copper Azole treatment, wet rot, dry rot.

RELATED TOPICS
Timber, Certification,

RELATED KNOWLEDGE BASE ARTICLES

Ecospecifier Eco Priority Guide: Floor Surfaces

Ecospecifier Eco Priority Guide: Timber and Wood Products

CSI / SPECPACK CATEGORY & NUMBER
09 62 00 Speciality Flooring

NATSPEC CATEGORY AND NUMBER
0651 Resilient Floor Surfaces

Availability:

South Africa