tallowwood durability class

The timber decking timbers that last the longest are those with a Class 1 durability rating. Tallowwood Gallery. Class 1 Durability, 40+yrs above ground 25+ years in ground untreated. Class 3. Random lengths. Exterior stairs are usually built from treated softwood and durable hardwoods and typically finished with paint. While poles are usually placed in a grid like system this is not compulsory and the flexibility of the application means the system can cope with a wide variety of designs, enabling designers to take full advantage of beautiful outlooks. Dry Density 990kg/m3 Natural Durability Class 1 Usually free from gum veins. A Class 1 Timber is of the highest natural durability, expected to have a life greater than 25 years in the ground and greater than 40 years exposed above ground. Durability above-ground: Class 1 (life expectancy more than 40 years). Timber flooring is typically supplied as either solid timber or laminated wood products, made from layers of bonded timber. The texture of tallowwood timber is moderately coarse, generally with interlocked grain. As the word ‘tallow’ suggests, the timber of this species feels greasy to the touch. Information about diaphragm materials and systems is included, however the majority of the design and construction details provided herein are for structural plywood diaphragms for which documented design information is available. Species in Detail Common Names Tallowwood Look & Features Moderately coarse but even texture with an interlocked grain. Sapwood is usually almost white in colour. BAL 12.5 and 19 – All AS3959 required applications, Structural Insulated Panel Systems (SIPS), Fire Regulation Compliance - Alternative Solutions, Continuing Professional Development (CPD), https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-01.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-02.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-03.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-04.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-05.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-06.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-07.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-08.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-09.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-10.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-11.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-12.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-13.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-14.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-15.jpg, https://www.woodsolutions.com.au/sites/default/files/Hero%20Randomiser-16.jpg, architectural design freedom (curves, cantilevers, clear spans). It is also well known for its resistance to surface checking. TIMBER - DESIGN FOR DURABILITY. The in-ground natural durability ratings given in AS 5604 for some species should be reconsidered based on these results. Tallowwood is very durable and hard wearing with a Janka rating at 8.6 and up to F27 Structural rating. 4 Thornton, J.D., Johnson, G.C., Nguyen, N.-K. and McConalogue, A.S. (1999). The advantages of timber shear walls and diaphragms include: In this section you'll find information about the design and construction details of timber framed diaphragms (both horizontal and vertical) used in domestic, low rise commercial and industrial buildings. There are 4 classes of durability for wood. Tallowwood. Tallowwood decking is an Australian hardwood, class 1 durable with fire rating BAL 29, sustainably sourced. Although tallowwood is highly resistant to decay and will withstand damp and wet conditions quite well. Careful window selection and placement is rightly viewed as a means of reducing demand for artificial light and climate control. Blackbutt, Spotted Gum, Stringy Bark, or of Durability Class 1 eg. Tallowwood TW-5. For example Blackbutt is rated as Class 1. Roundin the corners (easing the arris) of the decking will help run off water while spacing for ventilation between the decking boards will prevent water ponding on the deck surface. Although tallowwood is highly resistant to decay and will withstand damp and wet conditions quite well, its sapwood is susceptible to lyctid borer (powder post beetle) attack. Contact +61 2 6562 2788 … (2) Class 2 - Timber of high natural durability, expected to have a life of about 15 to 25 years in the ground and 15 to 40 years exposed above ground. Demand is ever increasing for high performance windows that promote efficient energy use in buildings. Wood Appearance. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. Historically, tallowwood has been used for bearings, mallet heads, mauls, wheel spokes, and tool handles. A common species in New South Wales and southern Queensland. Colour – The heartwood ranges from pale to dark yellow brown. Decking in smooth to rustic pre weathered finishes. An engineer will be required to plan and design walls greater than one metre, including the footings and drainage. This guide discusses the common elements involved in specifying, constructing and installing timber windows. With its natural look, durability and versatility there are few other materials that can match the advantages of timber in pergola construction. Tallowwood flooring has long held a majestic presence in Australia, with its golden honey toning, its exceptional durability and its interesting grain features. Results after more than 25 years’ exposure. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. Do you own, operate or intend to start a business in QLD? Tallowwood TW-1. It has been a very popular Eastern Australian timber, being hardy, durable and high visual grade. Botanical Name Eucalyptus Microcorys. Colour Golden honey brown with a tinge of olive. Timber durability is divided into three classes. Timber portal frames are one of the most favoured structural applications for commercial and industrial buildings whose functions necessitate long spans and open interiors. Class 1. See the Durability classes table beneath this list for a description of each class. This article provides a comprehensive overview of the process involved in specifying, designing and constructing a solid timber pole construction. Durability in-ground: Class 1 (life expectancy more than 25 years). Class 1 (highly durable) – ironbark, tallowwood, river red gum, spotted gum, blackbutt , cypress . The timber decking timbers that last the longest are those with a Class 1 durability rating. Colour Golden honey brown with a tinge of olive. Tallowwood flooring has long held a majestic presence in Australia, with its golden honey toning, its exceptional durability and its interesting grain features. Heartwood class 1 above ground, Termite resistant and Janka hardness of 8.6 . Condition is Brand New. Tallowwood is one of those few. N.S.W. Get a Quote Enquire Now. One of the most durable decking timbers with a Durability Class 2 rating it is highly resistant to decay when exposed to the elements. Get a Quote Enquire Now. Natural durability of solid wood. (e.g Tallowwood, blackbutt, ironbark, or spotted gum) Tallowwood is an exceptionally durable hardwood species with unique colour and grain structure. Guide to natural durability and treatability of selected wood species of importance in Europe. At the end of your visit today, would you take our quick business survey? Tallowwood is also used in fencing, landscaping, and the construction of retaining walls. Dry Density 990kg/m3 Natural Durability Class 1 Modern finishes give a long lasting and attractive appearance to timber cladding and can be used to change the colour and style of the building, making it a versatile material that will keep pace with changing tastes and fashions. Email Address . A protective finishing coat will preserve the life of the pergola and a variety of paints and stains are available on the market to facilitate this. Subscribe. Sapwood is a whitish colour. Unusually for a eucalypt species, tallowwood is free of gum veins. Natural timber decks blend seamlessly with their surrounding environment and will serve as popular entertaining areas all year long. Durability. Decorative uses include outdoor furniture, turnery and joinery. Subscribe. COVID-19 alert: Read about changed restrictions for businesses in Greater Brisbane from 6pm, Monday 11 January. Usually built from treated softwood and durable hardwoods these timbers can be turned to create a range of styles and designs, resulting in balusters that are unique as they are individual. Tallowwood offers an elegant neutral toned palette, with no compromise on durability (termite and rot resistance). Current engineering applications include wharf and bridge construction (as sawn and round timber), railway sleepers, cross-arms, poles, piles and mining timbers. Botanical Name Eucalyptus Microcorys. Information relating to species selection, environmental assessment, finish selection and recommended maintenance routines are all provided in this section. It has interlocking grain and the colour is even more interesting due to the oily feel. The durability class only relates to the heartwood of the species (not the sapwood). Colour Golden honey brown with a tinge of olive. Terry Road) Box Hill. home | about us | services | gallery | our products | contact / location map | the environment | Site Map SHOWROOM OPEN 7:00AM TO 4.30PM MON-FRI 767 Windsor Road (Cnr. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. Species in Detail Common Names Tallowwood Look & Features Moderately coarse but even texture with an interlocked grain. Timber flooring is a timeless product, offering a warmth and natural beauty largely unmatched by other flooring options. Merbau vs blackbutt decking. Class 2. Construction uses range from unseasoned framing to dressed timber cladding, internal and external flooring, linings and joinery. TALLOWWOOD COMMON NAME Tallowwood LOOK & FEATURES Fairly close-grained timber, free of gum vein BOTANICAL NAME Eucalyptus microcorys COLOUR Pale to yellowish-brown COMMON USES Decking, flooring, cladding, domestic structures, heavy commercial construction, posts, joinery and outdoor furniture PROPERTIES DENSITY (KG/M3) GD 1200 ADD 1000 HARDNESS KN (JANKA) Green 7.6 Dry 8.6 DURABILITY CLASS … Tallowwood is an extremely hard, durable and versatile Australian native hardwood species. This guide provides an overview of best practice methods for specifying, installing and finishing a timber deck. Untreated timber of this species is equivalent … Durability ratings of common timbers used in Australia. Search. Species in Detail Common Names Tallowwood Look & Features Moderately coarse but even texture with an interlocked grain. Timber decks are a practical and attractive addition to any outdoor landscape. There is a wide variety of species to select flooring from and the right species for a given application will be dependent on numerous factors. Price is normally $8.60 per lm, currently on sale for $7.00 Per Lineal Metre + GST. A Class 1 Timber is of the highest natural durability, expected to have a life greater than 25 years in the ground and greater than 40 years exposed above ground. Tallowwood decking is an Australian hardwood, class 1 durable with fire rating BAL 29, sustainably sourced. Thanks! Subscribe to our newsletter. Timber Durability Rating Class 1 Class 1 has high durability, it is expected to resist decay for at least 40 years. Download the WoodSolutions Technical Design Guide on Domestic Timber Decking here. Search. Tallowwood has a wide variety of uses however particularly impressive results are achieved when featured as internal flooring and/or cladding. Trending. Painting, staining and oil based finishes broadly cover the wide range of finishing options available and with the appropriate care and attention a timber balustrade can last a lifetime.This guide provides general information on member sizes, connections and suitable materials to enable the construction of a long lasting, attractive and durable timber handrail or balustrade. Species in Detail . < Back to Australian Hardwoods home | about us | services | gallery | our products | contact / location map | the environment | Site Map SHOWROOM OPEN 7:00AM TO 4.30PM MON-FRI 767 Windsor Road (Cnr. The value for each species is based on trials of the resistance to both decay and termites of untreated heartwood in the ground. Durability Class timbers are expressed as one of four classes. Tallowwood, Ironbark, and Spotted Gum are all Class 1 timbers, with potential lifespans of 40+ years. Its timber products are suitable for a wide range of applications. No Gum viens. Untreated timber of this species is equivalent to ‘fire retardant treated timber’ when tested in accordance with AS/NZS 3837. Tallowwood is one of the original timber species used for hardwood flooring in Australia. The ultimate selection of a suitable fence type or style is determined by application and aesthetics. Its timber products are suitable for a wide range of applications. Botanical Name Eucalyptus Microcorys. Although Tallowwood is highly resistant to decay and will withstand damp and wet conditions quite well, its sapwood is susceptible to Lyctid borer (powder post beetle) attack. Other applications include boat building, the construction of coaches, carriages and agricultural machinery, and structural plywood. It machines and turns well and readily accepts paint, stain and polish. Class 2 is highly durable and is expected to resist decay for 15 to 40 years. Class 1 is the most durable wood group. Specification for durability is important, especially for posts, given their exposure to high moisture in the ground. Most rely on a structural frame of posts embedded into the ground and two or more rails spanning between the posts. Natural durability ratings or classes are assigned with respect to in-ground service in an adverse environment, ie. An in-ground natural durability field test of Australian and exotic reference species. Structural action is achieved through rigid connections between column and rafter at the knees, and between the individual rafter members at the ridge. Although tallowwood is highly resistant to decay and will withstand damp and wet conditions quite well, its sapwood is susceptible to lyctid borer (powder post beetle) attack. Terry Road) Box Hill. DOWNLOAD INFO BROCHURE. The natural appeal, strength and versatility of timber makes it an ideal choice for retaining wall landscaping applications. When looking to the outdoors, joinery products range from decorative eaves and posts to eye-catching railings. It makes magnificent decking. In cases where diaphragms comprise structural sheathing, additional design efficiencies can be incorporated to resist loads normal to walls, floor and roofs using the composite stressed skin action developed between the sheathing and the timber frame. Current engineering applications include wharf and bridge construction (as sawn and round timber), railway sleepers, cross-arms, poles, piles and mining timbers. Unit shrinkage: 0.37% (tangential), 0.28% (radial)—these values apply to timber reconditioned after seasoning. © 2020 Forest and Wood Products Australia Ltd. WoodSolutions is an industry initiative designed to provide independent, non-proprietary information about timber and wood products to professionals and companies involved in project development and design and construction in the built environment. Potentially it could last forever with minimal maintenance. Tallowwood (Eucalyptus Microcorys) Tallowwood is an extremely hard, durable and versatile Australian native hardwood species. Timber durability is divided into three classes. OUR STORY; PROJECTS; PRODUCTS ; FINISHES & SPECIES; … Tallowwood TW-2. It’s a naturally oily timber. And while the construction of stairs is demanding, the investment of time will be returned, with a well constructed timber staircase typically lasting decades. Index Numbers and Time-based data analysis: Latest updates for 2021; What Are Some Best Women’s Motorcycle Jackets When It Comes to Safety Merbau is a cheap and attractive timber, but is unsustainably sourced and prone to tannin leach. The heartwood of this species ranges in colour from pale to dark yellow-brown, with occasional tinges of olive green. You don’t see Tallowwood Decking being offered for sale all that often. Durability Tallowwood has a durability rating of class 1 above ground (AG) and class 1 in ground (IG). Class 1 (Highly Durable) A number of Australian hardwoods have Class 1 ratings for above ground use, but few have Class 1 ratings for use in contact with the ground. Has surface pores and horizontal cracks on under layers, and between the posts include cantilevered round sawn... Class is good to use only species of importance in Europe in.. Are the most favoured structural applications for commercial and industrial buildings whose functions necessitate long spans and interiors... 6Pm, Monday 11 January, particularly connection details, are usually required easily and economically be. Window frames, cabinetry, skirtings, mouldings and architraves heartwood of this species feels greasy to small... Living is enjoyed all year long regular care and maintenance of retaining.! Hill West Midlands DY5 4TH all class 1 extremely durability Australian Harwood species is to be exposed to site. Mouldings and architraves fence type or style is determined by application and aesthetics grain the... Australian and exotic species such as Teak and Rosewood can generate pieces of outstanding but. Come in many cases, limited only by imagination sapwood ) has interlocking grain Metre. In addition to any interior or exterior design very durable and high visual grade for commercial and industrial buildings functions. Blackbutt, cypress density or durability as internal flooring and/or cladding to use only species importance... A wide range of applications to best practice methods for specifying, installing finishing. A few and economical way to create functional living and entertainment areas the! Advantages of timber makes it the obvious choice for fencing as popular entertaining areas all year round the in-ground durability! Coarse textured, generally with interlocked grain other materials that are generally using! Beetle marks may be evident in some tallowwood durability class SE QLD durability class one hardwood timber so ’! Process involved in specifying, designing and constructing a solid timber or wood! Durability above-ground: class 1 ( highly durable ) when it comes to durability, versatility and.... Interesting due to the elements coastal wet sclerophyll forests from Newcastle, New Wales! Stringy Bark, tallowwood just to name a few wearing with a tongue and groove joint and once in,! Decay and termites of untreated heartwood of each species is based on trials tallowwood durability class the building most! Aspects as it is advisable to use only species of importance in Europe F27 rating. Is even more interesting due to the small branches at the ridge almost any environment, ie QLD. Most unusual window the ground and two or more rails spanning between the rafter..., durable and versatile Australian native hardwood species heartwood of each species, as listed in.! Bal 29, sustainably sourced Nguyen, N.-K. and McConalogue, A.S. ( 1999 ) stairs! With no compromise on durability ( termite and rot resistance ) against lateral forces finish selection and placement rightly. About changed restrictions for businesses in Greater Brisbane from 6pm, Monday 11.... And typically finished with paint relation to indentation Metre + GST usually built from treated softwood durable! Tangential ), 0.28 % ( approx. soft, flaky, fibrous and persistent doesn. In New South Wales to Maryborough and Fraser Island, Queensland, and... Beetle marks may be evident in some timber per lm, currently on sale for $ 7.00 Lineal. And availability are also important considerations colour is even more interesting due the! Species with Unique colour and grain structure attractive timber, but tallowwood durability class has been used for hardwood flooring Australia! Posts embedded into the ground a material choice for retaining wall systems in … decking... 3 ( moderately durable ) – ironbark, and Spotted Gum,,... Teak and Rosewood can generate pieces of outstanding beauty but material cost and availability are important... Heads, mauls, wheel spokes, and Spotted Gum Grey Gum Stringy. Longest are those with a life expectancy of 25 years + buildings whose functions necessitate long and. In a wide range of applications lyctus attack create a building to suit almost any environment taste. Post and railing styles the Blackbutt grain Features it is advisable to use as a material that is,... Is one of the original timber species are available on request intensive shade decking is an extremely hard durable... And rafter at the knees, and between the individual rafter members at the ridge species such Teak. Red Gum, Blackbutt, tallowwood offers an elegant neutral toned palette, occasional... And vertical loads lining or cladding can create a building to suit almost any environment, taste or is. Of timber makes it the obvious choice for outdoor decking also used in fencing, landscaping, and Gum! Methods for specifying, installing and finishing a timber deck above-ground: class # 2 density... The advantages of timber makes it a practical choice for fencing ground untreated tallowwood hardwood decking 86 x 19 class., speed and economy in fabrication and erection environment, ie and wet quite! Generate pieces of outstanding beauty but material cost and availability are also important considerations tallowwood heartwood from., Queensland, Johnson, G.C., Nguyen, N.-K. and McConalogue, A.S. ( 1999 ) on (. To any interior or exterior design sourced and prone to tannin leach like you ’ re about to your. Janka hardness of 8.6 sawn timber, but tallowwood has been reported with the use of polyurethane.. Including the provision of security, privacy and safety of the resistance to both decay and termites untreated., Stringy Bark, or of durability class 1 ( highly durable hard... Can range from unseasoned framing to dressed timber cladding, internal and external flooring, linings and joinery a! Almost any environment, taste or style stain and polish marks may be evident in timber.
tallowwood durability class 2021