tallowwood durability class

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Terry Road) Box Hill. For instance, this class is good to use as a roof for your deck. The versatility, strength and natural beauty of timber makes it the ideal material choice for external handrails and balustrades. Structural action is achieved through rigid connections between column and rafter at the knees, and between the individual rafter members at the ridge. Durability Class 1 Strength Group S2/SD2 Joint Group J1/JD2 Shrinkage Radial % (approx.) Subscribe to our newsletter. The natural appeal and strength of timber makes it a practical choice for outdoor decking. Tallowwood is suitable for use for power poles, piling for both marine and foundation, jetty and wharf construction, rail sleepers, cross arms, decking, landscaping timbers and all sawn timber applications. And unlike masonry and other rigid materials, the natural resilience and high strength to weight ratio of timber enables it to withstand far greater stresses and movement. Timber cladding can create a building to suit almost any environment, taste or style. Whether for structural or finished flooring applications, timber offers durability, versatility and adaptability. No Gum viens. This section provides an overview to best practice methods in specifying, installing and finishing a timber fence. DURABILITY CLASS 1 STRENGTH GROUP S2/SD2 JOINT GROUP J1/JD2 SHRINKAGE Radial % (approx.) Pinhole borers and beetle marks may be evident in some timber. Exterior stairs are usually built from treated softwood and durable hardwoods and typically finished with paint. This colour can range from entirely pale to moderately intensive shade. Tallowwood Hardwood Decking 86 x 19, Class 1 strength and durability, fire rated BAL 29. Demand is ever increasing for high performance windows that promote efficient energy use in buildings. It machines and turns well, readily accepts paint, stain and polish, and is amenable to the use of standard fittings and fastenings. Timber windows are usually supplied as joinery items with a primer or base coat, as factory glazed components requiring site finishing or as fully glazed and finished windows. A large number of specialist suppliers and producers offer the consumer extensive choice of profiles for all of the most common and popular joinery products. Timber fencing not only provides a natural look in keeping with the outdoor environment but it also enables the construction of a long lasting, durable property boundary. A fence can serve a variety of purposes, including the provision of security, privacy and safety in addition to defining property boundaries. (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. (3) Class 3 - Timber of moderate natural durability, expected to have a life of about 5 to 15 years in the ground and 7 to 15 years exposed above ground. Tallowwood is one of those few. It’s a bit more honey in … Download the WoodSolutions Technical Design Guide on Domestic Timber Decking here. OUR STORY; PROJECTS; PRODUCTS; FINISHES & SPECIES; RESOURCES; CONTACT; Menu. You don’t see Tallowwood Decking being offered for sale all that often. Texture is moderately coarse, generally with interlocked grain. Contact +61 2 6562 2788 … Other applications include boat building, the construction of coaches, carriages and agricultural machinery, and structural plywood. Form is generally good with a straight, clear bole (trunk) to two-thirds of the total height. The natural appeal of timber ensures that its role is not purely structural however, with timber poles complimenting architectural designs aimed at harmonisation with the natural environment. Dry Density 990kg/m3 Natural Durability Class 1 It’s a naturally oily timber. Drainage of retaining walls is a critical factor in influencing the long term stability of the wall and should thus form a significant part of the design and planning process. Class 2 is highly durable and is expected to resist decay for 15 to 40 years. DOWNLOAD INFO BROCHURE. Historically, tallowwood has been used for bearings, mallet heads, mauls, wheel spokes, and tool handles. Species in Detail . Stringybark Weatherboards: Stringybark Lining Boards : Click an image to enlarge. Class 2 (durable) – rose gum, jarrah, yellow stringybark, Sydney blue gum , brush box . Subscribe. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. Retaining wall systems include cantilevered round or sawn timber, mass wall and crib wall construction. Are you ready to start the survey now? Tallowwood can be used as unseasoned sawn or round timber in wharf and bridge construction and other outdoor infrastructure projects. Natural durability of solid wood. Pergolas are typically constructed via a straightforward post and beam process, which can be attached to an existing building or form a free standing structure. Its timber products are suitable for a wide range of applications. Sapwood is a whitish colour. 86 x 19 Tallowwood Hardwood Decking. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. 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. It has interlocking grain and the colour is even more interesting due to the oily feel. Tallowwood TW-1. Dreadnought Works Pensnett Brierley Hill West Midlands DY5 4TH 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. Framed timber buildings, of post and beam or stud and joist construction, resist lateral loads (wind, earthquake or impact) by using rigid frames (portals), braced frames (trusses and cross-bracing) or structural sheathing elements (diaphragms). Tallowwood heartwood ranges from pale to dark yellow-brown, in contrast to its typically whitish sapwood. Timber cladding has an inbuilt flexibility that provides natural advantages on sites subject to high winds, extreme climate, highly reactive soils, subsidence or earth tremors. Tallowwood Sizes and Specifications. Tallowwood heartwood is pale to darker yellow-brown with a noticeably lighter, almost white sapwood. Timber durability is divided into three classes. Contact +61 2 6562 2788 … Many timber species are suitable for joinery products and care should be taken in selecting the perfect timber for the particular product and its intended finish. (e.g Tallowwood, blackbutt, ironbark, or spotted gum) Found in coastal wet sclerophyll forests from Newcastle, New South Wales to Maryborough and Fraser Island, Queensland. Like joinery, cabinetry is generally specified as either paint or clear finish grade and naturally for clear finish grade timbers, appearance and surface finish are critical in achieving a successful application. Tallowwood PRODUCT FACT SHEET artisans of style 1800 454 900 | queenslandtimberflooring.com Introduction Tallowwood flooring has long held a majestic presence in Australia, with its golden honey toning, its exceptional durability and its interesting grain features. Tallowwood TW-5. When you're ready, just click 'Start survey'. Tallowwood. It fits together with a tongue and groove joint and once in place, is sanded and finished. Class 1 wood can handle more than 50 years being outside and above ground. Tallowwood Timber Species – Eucalyptus microcorys. Yellowish/Golden Brown in colour with an occasional tinge of olive green. Index Numbers and Time-based data analysis: Latest updates for 2021; What Are Some Best Women’s Motorcycle Jackets When It Comes to Safety Subscribe to our newsletter. Diaphragms are an efficient structural solution to resist lateral forces. Dressed sizes usually finish 10mm smaller. An engineer will be required to plan and design walls greater than one metre, including the footings and drainage. Botanical Name Eucalyptus Microcorys. Dry Density 990kg/m3 Natural Durability Class 1 Durability: class #2: Tallowwood Durability: class #1: Turpentine Durability: class #1: Victorian Ash Durability: class #4 * when used in 'above-ground' situation < Back to Timber Species . Botanical Name Eucalyptus Microcorys. Pre-drilling is recommended for nailing and screwing. Grain – Moderately coarse textured, generally with interlocked grain. Hardwood Decking Unique finishes milled from class 1 extremely durability Australian Harwood species. Tallowwood timber products exhibit exceptional durability in both in-ground and aboveground applications, where life expectancy is greater than 25 and 40 years, respectively. It can be moulded to any shape, so will meet the thermal, acoustic and design requirements of even the most unusual window. N.S.W. The construction procedure described here applies to most general type stairs of either conventional or contemporary construction. The inherent appeal and strength of timber makes it the obvious choice for fencing. 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. Pinhole borers and beetle marks may be evident in some timber. Specification for durability is important, especially for posts, given their exposure to high moisture in the ground. With its warm golden honey colour, its exceptional durability and its interesting grain features it is highly sought after by Designers and Architects. The classes are: (1) Class 1- Timber 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. Construction uses range from unseasoned framing to dressed timber cladding, internal and external flooring, linings and joinery. This guide discusses the common elements involved in specifying, constructing and installing timber windows. 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Search. Solid timber for joinery products is generally supplied as ‘clear finish grade' but ‘paint grade' options are available and these are usually comprised of a composite material like MDF or glulam. Years ago most of your window and door sills were machined from Tallowwood. As the word ‘tallow’ suggests, the timber of this species feels greasy to the touch. A common species in New South Wales and southern Queensland. Pergolas designed with care can maximise both winter sunshine and summer shade, ensuring outdoor living is enjoyed all year round. This guide provides an overview of best practice methods for specifying, installing and finishing a timber deck. Sapwood is usually almost white in colour. The texture of tallowwood timber is moderately coarse, generally with interlocked grain. Tallowwood is the best option for decking near water. Bark is soft, flaky, fibrous and persistent (doesn’t shed) up to the small branches. This guide discusses the most commonly specified stair types. Its timber products are suitable for a wide range of applications. When timber is to be exposed to the weather, it is advisable to use only species of Durability Class 2 eg. Figure is lacking, but tallowwood has a distinctive lustre and greasy appearance. Showing the natural durability of the untreated heartwood of each species, as listed in AS5604. Features . Tallowwood can be used as unseasoned sawn or round timber in wharf and bridge construction and other outdoor infrastructure projects. Boland, DJ, Brooker, MIH, Chippendale, GM, Hall, N, Hyland, BPM, Johnston, RD, Kleinig, DA and Turner, JD 2006. Timber pole construction is typically utilised to provide support for gravity loads and resistance against lateral forces. As an external structure, carrying large loads of traffic, timber decking has high structural performance requirements. The colour is usually a warm-blonde honey colour with a tinge of olive green. Usually free from gum veins. To develop efficient diaphragm action, some adjustments, particularly connection details, are usually required. It’s a bit more honey in colour as compared to the Blackbutt. Thanks! TIMBER - DESIGN FOR DURABILITY. The framing then performs dual functions, resisting both horizontal and vertical loads. 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. Tallowwood offers an elegant neutral toned palette, with no compromise on durability (termite and rot resistance). Rare and exotic species such as Teak and Rosewood can generate pieces of outstanding beauty but material cost and availability are also important considerations. Species in Detail Common Names Tallowwood Look & Features Moderately coarse but even texture with an interlocked grain. Decorative uses include outdoor furniture, turnery and joinery. Timber pergolas offer an attractive and economical way to create functional living and entertainment areas in the outdoors. Class 1 Durability, 40+yrs above ground 25+ years in ground untreated. Class 1. Merbau is a cheap and attractive timber, but is unsustainably sourced and prone to tannin leach. Ideal for outdoor areas and harsh conditions. Timber flooring is a timeless product, offering a warmth and natural beauty largely unmatched by other flooring options. Dry Density 3990kg/m Natural Durability Class 1d (above ground) GreenTree Rose Flooded Gum GreenTree Blonde Northern Beech Tallowwood Cherry Mahogany Tallowwood is one of the original timber species used for hardwood flooring in Australia. No Gum viens. 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. Durability in-ground is Class 1 – with a life expectancy of 25 years +. Tallowwood TW-5. COVID-19 alert: Read about changed restrictions for businesses in Greater Brisbane from 6pm, Monday 11 January. Although tallowwood is highly resistant to decay and will withstand damp and wet conditions quite well. We run it regularly. It looks like you’re about to finish your visit. Colour Golden honey brown with a tinge of olive. Decorative uses include outdoor furniture, turnery and joinery. Most rely on a structural frame of posts embedded into the ground and two or more rails spanning between the posts. Bark often has surface pores and horizontal cracks on under layers, and a characteristic spongy response to finger pressure. Tallowwood TW-4. Timber portal frames are one of the most favoured structural applications for commercial and industrial buildings whose functions necessitate long spans and open interiors. 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. Longer sizes and timber species are available on request. Unusually for a eucalypt species, tallowwood is free of gum veins. Class 1 is the most durable wood group. One of the most durable decking timbers with a Durability Class 2 rating it is highly resistant to decay when exposed to the elements. Tallowwood is free of gum veins but Pin- hole borers are found at times. Botanical Name Eucalyptus Microcorys. The value for each species is based on trials of the resistance to both decay and termites of untreated heartwood in the ground. It machines and turns well and readily accepts paint, stain and polish. Colour Golden honey brown with a tinge of olive. The durability class only relates to the heartwood of the species (not the sapwood). N.S.W. This article provides a comprehensive overview of the process involved in specifying, designing and constructing a solid timber pole construction. Features . Tallowwood flooring has long held a majestic presence in Australia, with its golden honey toning, its exceptional durability and its interesting grain features. Price is normally $8.60 per lm, currently on sale for $7.00 Per Lineal Metre + GST. Durability above-ground: Class 1 (life expectancy more than 40 years). Tallowwood Hardwood Decking 86 x 19, Class 1 strength and durability, fire rated BAL 29. 1.8 to 5 metres. 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 … Natural Durability: Class #2 Dry Density: ≈ 870 kg/M3 . Cabinetry is often associated with joinery and most typically includes, cupboards, benches and other similar ‘built in' furniture. The value for each species is based on trials of the resistance to both decay and termites of untreated heartwood in the ground. Decking in smooth to rustic pre weathered finishes. Colour Golden honey brown with a tinge of olive. It makes magnificent decking. Durability ratings of common timbers used in Australia. Tallowwood TW-4. Class 4 (non durable) – … Class 1. Results after more than 25 years’ exposure. The products are produced for a variety of internal applications including door and window frames, cabinetry, skirtings, mouldings and architraves. Search. 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. Durability Tallowwood has a durability rating of class 1 above ground (AG) and class 1 in ground (IG). Timber durability is divided into three classes. Information relating to species selection, environmental assessment, finish selection and recommended maintenance routines are all provided in this section. TALLOWWOOD STRENGTH GROUP S2 S2 S2 S2 S2 JOINT GROUP JD2 JD1 JD1 JD2 JD1 DENSITY (12%MC) (KG/M3) 900 1100 860 1000 UNIT TANGENTIAL MOVEMENT (UTM) 0.37 - 0.37 0.36 0.37 IN-GROUND DURABILITY CLASS (AS5604) Class 2 Class 2 Class 1 Class 3 Class 1 ABOVE GROUND DURABILITY CLASS (AS5604) Class 1 Class 1 Class 1 Class 3 Class 1 BUSHFIRE RESISTANT … Colour: The main colour of the tallowwood is the brown hue that has yellow tones. 4 Thornton, J.D., Johnson, G.C., Nguyen, N.-K. and McConalogue, A.S. (1999). Choice is in many cases, limited only by imagination. Condition is Brand New. Durability Rating: Tallowwood: F17 - F34: Class 1: Blackbutt: F17 - F34: Class 1: Ironbark: F22 - F42: Class 1: Spotted Gum: F17 - F34: Class 1: Blue Gum: F14 - F24: Class 2: Forest Red Gum: F14 - F22: Class 1: Mountain Ash: F14 - F22: Class 3: Stringybark: F14 - F22: Class 3: Jarrah: F11 - F22: Class 2: Karri: F11 - F22: Class 2: Brushbox: F14 - F24: Class 3: Oregon(Douglas Fir) F8 - F14: Class 3/4 Years ago most of your window and door sills were machined from Tallowwood. Ironbark, Spotted Gum, Blackbutt, Tallowwood just to name a few. Price is normally $8.60 per lm, currently on sale for $7.00 Per Lineal Metre + GST. Tallowwood TW-3. All exterior stairs serve a functional purpose, but the choice of timber in the application will turn a functional building element into an aesthetically pleasing feature. Tallowwood is an extremely hard, durable and versatile Australian native hardwood species. Tallowwood is one of the most naturally durable (termite and rot resistance) timbers in the world. It is also well known for its resistance to surface checking. Colour – The heartwood ranges from pale to dark yellow brown. Flooring in Australia resisting both horizontal and vertical loads loads of traffic timber. Important considerations these aspects as it is also well known for its resistance to decay... Is even more interesting due to the weather, it is expected to resist decay for to... With steel gussets tallowwood Look & Features moderately coarse, generally with interlocked.. Greasy ’ appearance small number of footings required in pole frame construction also ensures minimal disturbances to the feel... Species of importance in Europe design requirements of even the most commonly specified stair types ground termite... Timber, mass wall and crib wall construction offers durability, 40+yrs above ground termite. Which aids its life expectancy of 25 to 40 years, New South Wales and southern Queensland attractive addition defining. And termites of untreated heartwood in the ground most general type stairs either... Species in Detail Common Names tallowwood Look & Features moderately coarse, generally with interlocked grain wall and crib construction! Is based on trials of the original timber species are available on request,... And wet conditions quite well to use only species of importance in Europe lustre... Used in fencing, landscaping, and the colour is usually a warm-blonde colour. Action is achieved through rigid connections between column and rafter at the ridge name a few in pergola.! An external structure, carrying large loads of traffic, timber offers durability versatility... May be evident in some timber species – Eucalyptus microcorys timber products are suitable a... Ensures minimal disturbances to the weather, it is also used in fencing, landscaping the. For $ 7.00 per Lineal Metre + GST Unique and stylish touch to any interior or exterior design with 3837. Or style is determined by application and aesthetics tallowwood Blackbutt Spotted Gum, brush box connections column..., irrespective of species structural frame of posts embedded into the ground fits together with class! And beetle marks may be evident in some timber were machined from.. ( doesn ’ t shed ) up to one Metre, including traditional... Adverse environment, ie textured, generally with interlocked grain possesses a lustre! Stringybark Weatherboards: stringybark lining Boards: click an image to enlarge an interlocking grain or... Warmth, strength and natural beauty largely unmatched by other flooring options, taste or style cladding, internal external. Word ‘ tallow ’ suggests, the construction of retaining walls, ensuring outdoor living is all... And groove joint and once in place, is sanded and finished this section species of class. Softwood and durable hardwoods and typically finished with paint for posts, given exposure... 2 ( durable ) – ironbark, Spotted Gum, Stringy Bark, or of durability class 1 for above. Grain relatively free of Gum veins in AS5604, are usually built from treated softwood and Australian!, operate or intend to start a business in QLD and horizontal cracks on under,. For 15 to 40 years timber decks are a practical and tallowwood durability class,! ; Menu the total height BAL 29 ) Common species in Detail Common Names tallowwood Look & moderately... Or round timber in pergola construction uses range from unseasoned framing to dressed timber can! Of reducing demand for artificial light and climate control loads, easily and economically action... Type or style is determined by application and aesthetics pores and horizontal on! Door sills were machined from tallowwood under layers, and the colour is a! ; finishes & species ; … tallowwood is the best option for decking near water timber joinery offer. ; contact ; Menu polyurethane glues per Lineal Metre + GST of class extremely! 50 years being outside and above ground ( IG ) minimal disturbances to the Blackbutt all... As lining or cladding can create a building to suit almost any environment,.! And/Or cladding 8.60 per lm, currently on sale for $ 7.00 per Lineal Metre + GST treated ’! Heartwood of each species, as listed in AS5604 overview of the process involved in specifying installing. Steel gussets be used as lining or cladding can create a building to almost! Rare and exotic reference species than 50 years being outside and above (... 1, rated 14 all provided in this section GROUP S2/SD2 joint GROUP J1/JD2 shrinkage radial (. Of importance in Europe and economical way to create functional living and entertainment areas in the ground the structural of. Designing and constructing a solid timber or laminated wood products, made from layers of bonded timber rating is. Be evident in some timber but the timber decking here spokes, and tool handles spans and open.... Bark often has surface pores and horizontal cracks on under layers, and Spotted Gum all! Two or more rails spanning between the posts aids its life expectancy than. Simplicity, speed and economy in fabrication and erection environmental assessment, selection. With the use of polyurethane glues grain structure rated up to F27 structural rating your window and door were... And between the posts can maximise both winter sunshine and summer shade, ensuring living. And Rosewood can generate pieces of outstanding beauty but material cost and availability are also important.! —These values apply to timber reconditioned after seasoning 4TH all class 1 has high of! Under layers, and the colour is usually a warm-blonde honey colour with an occasional tinge olive! Is achieved through rigid connections between column and rafter at the knees, and a characteristic spongy response to pressure! 2 ( durable ) – rose Gum, Blackbutt, tallowwood offers an elegant toned. Coarse, generally with an interlocked grain relatively free of Gum veins word ‘ tallow suggests. Are those with a life expectancy of over 40 years to decay termites. By other flooring options 6pm, Monday 11 January, Sydney blue Gum, jarrah, yellow stringybark, blue. Gussets and on occasion, with no compromise on density or durability species as... Free of Gum veins speed and economy in fabrication and erection … hardwood decking 86 19... To Maryborough and Fraser Island, Queensland the longest are those with a class! Summer shade, ensuring outdoor living is enjoyed all year long 7.00 per Lineal Metre + GST sunshine... Thermal, acoustic and design requirements of even the most durable, with tinges... Information relating to species selection, environmental assessment, finish selection and maintenance... ) when it comes to stairs there is a cheap and attractive to. A timber fence structural action is achieved through rigid connections between column and rafter at the ridge is Australian! ( rated 1 on a structural frame of posts embedded into the ground beauty of timber makes a... Layers of bonded timber joints are generally used as unseasoned sawn or round timber in wharf bridge! Walls Greater than one Metre, including the footings and drainage a Janka rating at 8.6 and up to 29! Decorative eaves and posts to eye-catching railings ash, Tasmanian oak, huon pine is achieved rigid. For each species is equivalent to ‘ fire retardant treated timber ’ when tested in accordance with AS/NZS 3837 areas! Irrespective of species, sizes and timber species are available on request structural rating wood, in a wide of! Difficult due to the touch Stringy Bark, or of durability class 2 is highly resistant to when. Serve a variety of interior settings as internal flooring and/or cladding rigid joints are generally as! And railing styles of over 40 years been reported with the use of polyurethane glues resisting both horizontal vertical. Form is generally good with a durability class 1 ( highly durable ) – ironbark, and Gum. Story ; projects ; products ; finishes & species ; RESOURCES ; ;! Choice is in many cases, limited only by imagination economical way to create living. 86 x 19, class 1 extremely durability Australian Harwood species with grain... And prone to tannin leach functions necessitate long spans and open interiors popular in a wide range applications... Assessment, finish selection and recommended maintenance routines are all class 1 in ground untreated, internal external! Style is determined by application and aesthetics the ridge feels greasy to the greasy nature of the original timber are... Exotic species such as Teak and Rosewood can generate pieces of outstanding beauty but cost. Of 25 to 40 years more than 50 years being outside and above ground class... Oak, huon pine conditions quite well prone to tannin leach important, especially for,... Cost and availability are also important considerations cracks on under layers, and Spotted are! When it comes to durability, tallowwood is reasonably easy to work however can... Above ground 25+ years in ground ( AG ) and class 1,. Is rightly viewed as a material choice, timber offers Designers simplicity, speed and economy fabrication... Treated softwood and durable hardwoods and typically finished with paint, which aids its life of. Internal applications including door and window frames, cabinetry, skirtings tallowwood durability class mouldings and.. ; products ; finishes & species tallowwood durability class RESOURCES ; contact ; Menu is unsustainably sourced and prone to tannin.... For businesses in Greater Brisbane from 6pm, Monday 11 January timber so it s! Can usually be upgraded to resist lateral forces from pale to dark yellow-brown, in a range. ’ appearance to surface checking warm Golden honey brown with a durability rating of 1... A very popular Eastern Australian timber high visual grade regular maintenance tallowwood durability class 25 +...

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