These astounding properties protect the building from the extreme heat and cold. 8" x 8" x 20' (240") = $300 each - Qty 1 2" x 12" x 18' (216") = $125 each - Qty 1 - clear grain ��~F�yV�|y��*6���� �%$,�p� #�_Ӽ�>Rf� �NI}�nk���^:fҊM���T�� endstream endobj 235 0 obj<> endobj 236 0 obj<> endobj 238 0 obj<> endobj 239 0 obj[] endobj 240 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 241 0 obj<> endobj 242 0 obj[/CalRGB<>] endobj 243 0 obj[/Separation/PANTONE#20622#20CVU 242 0 R 249 0 R] endobj 244 0 obj<> endobj 245 0 obj<> endobj 246 0 obj<>stream Western Red Cedar is frequently the material of choice for pure Decorative trusses, but should be checked thoroughly if intended for use in Structural applications. 1972 . Western Red Cedar’s open cellular structure helps to absorb and dissipate sound energy, making it effective in confining noise. When used as exterior cladding, Western Red Cedar keeps buildings cooler in summer, while cutting heating costs in winter. Mechanical Properties of Clear Straight-Grained Wood 4–26 Natural Characteristics Affecting Mechanical Properties 4–27 Specific Gravity 4–27 ... Cedar, western red 0.055 0.081 0.087 0.086 0.005 Douglas-fir 0.050 0.068 0.064 0.078 0.007 Fir, subalpine 0.039 0.102 0.070 0.058 0.006 TS/RS ratio: Stability: Crushing strength *: Mean Std dev. What Western Red Cedar lacks in strength, it makes up for in appearance. Siberian Larch. DURABILITY–Western red cedar, atlantic white cedar and Alaskan yellow cedar are naturally durable softwoods that creates extractives (Thujaplicans and Phenolics) that ward off decay caused by insects, water infiltration, and fungi.The extractives increase with age leading to a longer lasting product life cycle–especially in exterior applications. Building codes in North America generally define as interior finish any exposed material that forms part of the building interior. Shrinkage in both the radial and tangential directions is given in Table 3 (in the Product Selection tab). The size differential between dry and unseasoned Western Red Cedar is given in Table 2 (in the Product Selection tab). These lovely deep green trees give off a fragrance that is just simply inspiring, I’d have to say. Nails and screws used to fasten Western Red Cedar should Question: We have specified the use of western red cedar in an office building to be used as either wall and/or ceiling cladding. This results in reduced energy usage and contributes towards a higher Green Star building rating. Wood has a cellular network of minute interlocking pores which converts sound energy into heat by frictional and viscoelastic resistance. changeable in that they share performance properties and are similar in appearance. Cedar has a long history of withstanding the rigors of time and weather. Modulus of elasticity also referred to as Tensile Modulus or Young's Modulus. It has a coefficient of thermal conductivity (k value) at 12% mc of 0.74 BTU inch/ft2h degrees F. The R value (the reciprocal of k) for Western Red Cedar is 1.35″ (34mm) of thickness. Euroclasses grading: END-USES It concerns structural graded timber in vertical uses with mean density upper 0.35 and thickness upper 22 mm. No 2 & Better – A grade offered generally for Western Red Cedar timbers and beams when the finest quality rough lumber is desired. The smoke developed index for Western Red Cedar is 125. Characteristic values of mechanical properties and density were determined and indicative yields for different strength classes were calculated. White pine will last a very long time if properly cared for. One of the lightest commercial softwoods, the density of Western Red Cedar at oven-dry conditions is approximately 22 pounds per cubic foot with a relative density(specific gravity) of 0.35. Cedar trees fall under the Cedrus genus and the Pinaceae family, which is the family of trees that is coniferous.. Only a couple of species of Cedrus exist in the world, but they exhibit certain traits that make them very popular. American softwoods have the strength […] Its exceptional working properties like natural resistance to termite, rot and decay make it an ideal choice for outdoor applications. Western Red Cedar especially is superior to steel, concrete, and brick in this respect. British grown western red cedar generally has similar properties to material imported from North America. DENSITY. It is seldom, if ever, used in modern herbalism. The results showed that all of the species investigated can produce structural timber, but that western red cedar has the least desirable properties … Softwoods have been exported from the United States for over 400 years. Historically, native peoples of the Pacific coast prized cedar for its long lasting qualities and used wood and bark from cedar trees for most of their building needs. The only notable difference is the natural durability which is rated as moderately durable (imported material is classified as durable). Grain: Generally straight or spiralled. Fasteners should be corrosion resistant such as aluminum, hot-dipped galvanized or stainless steel. Western Red Cedar has good fastening properties but its natural preservatives have a corrosive effect on some unprotected metals in close contact, causing a black stain on the wood. Distribution. Western red cedar, an ornamental and timber evergreen conifer of the cypress family (Cupressaceae), native to the Pacific coast of North America. 0000004778 00000 n }��MT_�5���L�0��P�ȅg��&�5Eo!�2Y��%�Z���-���n��\H��wDa���nZr�1�]�������ID�~�g��� ��^��WÃ�D�q�� KR;Q����ipu�L#���kdY���o �hBaL. trailer <<4ad01420134611da8c53001124daefbc>]>> startxref 0 %%EOF 237 0 obj<>stream ¬ The cell structure converts the sound energy into heat by friction and viscoelastic resistance. Western red cedar also delivers impressive acoustic properties. We know this can get confusing, so if you want to do more research you can visit the Western Red Cedar Lumber Association website for more grade info. They are used to regulate the use of interior finish materials to reduce the probability of rapid fire spread. Cedar is a type of coniferous wood, meaning that it is classified as a softwood and its cones/needles remain all year round. Structural lumber (including dimension lumber) is visually and/or mechanically (MSR) graded for its strength and physical working properties (appearance is secondary, unless specified). Introduction . These properties can vary greatly depending on origin and growth conditions. Western Red Cedar is frequently the material of choice for pure Decorative trusses, but should be checked thoroughly if intended for use in Structural applications. The appealing dark colour, light weight and soft texture makes … When a material has good thermal conductivity, it means that it can keep buildings warm in the winter and cool in the summer. Western red cedar is a large softwood that grows in British Columbia and some of the nearby western states of the USA including Washington, Oregon, Montana and Idaho. The following table is Structural Lumber Wood Engineering Properties. It's stronger than Western red or Eastern white, but you're never going to find any large enough for rafters. Historically, western red cedar (also known as western redcedar) was a very important plant for the indigenous or First Nations people who lived in the coastal area. Because of its favorable performance, Western Red Cedar can be used for interior finish in some building applications where other species would not be permitted. Medicinal and Other Uses for the Western Red Cedar. Western Red Cedar Beams Full dimension beams. Trucking from the west coast, and the general higher cost of cedar vs. pine will put a dent in your wallet. This is due to its high proportion of air spaces and its low density. 0000004585 00000 n Evidence of cedar’s durability are the many cedar artifacts still in good condition today. The only notable difference is the natural durability which is rated as moderately durable (imported material is classified as durable). Cedrus libani Loud. Odor: Aromatic Red Cedar has a distinct and tell-tale scent: the wood is commonly used in closets and chests to repel moths and other insects. Softwoods have been exported from the United States for over 400 years. While most trees decompose with a few years, this giant tree may take over 100 years to rot and return to the soil. Western Red Cedar is the largest and most abundant of all cedars in managed forests. FOREST SERVICE . Their properties are similar to savin juniper. Growth, properties and uses of western red cedar (Thuja plicata Donn ex D. Don)/by Josefina S. Gonzalez. 0000011118 00000 n One of the lightest commercial softwoods, the density of Western Red Cedar at oven-dry conditions is approximately 21 pounds per cubic foot with a relative density (specific gravity) of 0.32. One of these is the Western Red Cedar, also called the giant cedar tree, which can grow to well over 200 feet tall! Visually, western red cedar is favoured for its rich and inviting colours. When a material has good thermal conductivity, it means that it can keep buildings warm in the winter and cool in the summer. Western red cedar is one of the most commercially valuable species. As Hokie says, Eastern Red Cedar is a juniper. ... and depth-effect adjustments are provided for Structural Decking. Wood is extremely durable and long lasting, and can be reclaimed from other projects and reused. The results showed that all of the species investigated can produce structural timber, but that western red cedar has the least desirable properties for this purpose. 2. Review specification options of Western Red Cedar, including lumber and appearance grades, as well as compatible fastener selection. Detailed product information is available from the Western Red Cedar Lumber Association. Environmental. Only a couple of species of Cedrus exist in the world, but they exhibit certain traits that make them very popular. Western Red Cedar’s thermal properties include: A … 1. Western Red Cedar is used to manufacture a range of specialty products such as siding, paneling, structural decking and outdoor decking. Due to its soft properties, Western Red Cedar takes to machining very well, and it both screws and nails with good result. Modulus of Elasticity of Wood, Wood Engineering Design Data. Detailed product information is available from the Western Red Cedar Lumber Association. Western red cedar. Cedar produced by the Western Red Cedar Lumber Association includes specialty end use grades as well as products graded to National Lumber Grading Authority (NLGA) rules. Woods with low density have the highest thermal insulating value because such woods contain a high proportion of cell cavities. 1. Western red cedar, Thuja plicata. The simple cell structure of softwoods’ long, uniformly packed fibers gives them a high strength-to-weight ratio, making them flexible and capable of bearing heavy loads. Because of the high internal friction created by the cellular pore network, wood has more sound damping capacity than most structural materials. American softwoods have the strength […] (Special publication, ISSN 0824-2119 ; no. Comparative oven-dry densities of cedar and some other softwood species are given in the Table 1 below. Western Red Cedar Harmful Properties May cause respiratory problems Western Red Cedar Interlocked Grain No Western Red Cedar Kiln-dried Shrinkage Low Western Red Cedar Machine Tools Average Western Red Cedar Mortising Good Western Red Cedar Movement after drying Low Western Red Cedar … Customers who choose western red cedar are reducing their material consumption versus other building materials. The flame spread rating for Western Red Cedar is 45 (Class B rating). Here is an overview of the characteristics that determine the grades of Western Red Cedar: Clear Western Red Cedar. Find out how to identify this majestic tree and also its benefits and uses. In dry wood, these cavities are filled with air which is one of the best known thermal insulators. Western red cedar will remain dimensionally stable under most weather conditions and is not prone to shrinkage or swelling. Cedar trees fall under the Cedrus genus and the Pinaceae family, which is the family of treesthat is coniferous. RESEARCH PAPER FPL 191 . 0000018317 00000 n 0000001340 00000 n The inherent strength of plywood also offers the added benefit of giving increased structural … Acoustic properties. The conduction of heat in wood is directly related to its density. Stumpage prices in 1927 were about one-third of those of Sitka spruce, western red cedar, and Douglas fir. 8" x 8" x 20' (240") = $300 each - Qty 1 2" x 12" x 18' (216") = $125 each - Qty 1 - clear grain Materials are burned in a test furnace for a relative assessment of flammability. 0000000716 00000 n syn. The heartwood ranges from a pale brown through to a richer dark brown. 0000002737 00000 n Herb: Western Red Cedar Latin name: Thuja plicata Synonyms: Thuja gigantea, Thuja lobbii, Thuja menziesii Family: Cupressaceae (Cypress Family) Medicinal use of Western Red Cedar: Western red cedar was employed medicinally by a number of native North American Indian tribes, who used it to treat a wide range of complaints. 0000005160 00000 n Radial shrinkage applies to the width of vertical grain lumber: tangential to the width of flat grain lumber. An important acoustical property of wood is its ability to damp vibrations. class 3 - not in ground contact, outside Not listed in CITES. Lengths are generally a few inches longer than the listed length. Span Tables Spans for Western Red Cedar dimension lumber used as joists and rafters in residential and commercial structures are available from the Western Red Cedar Lumber Association, the Canadian Wood Council and the National Association of Home Builders. Click here to request a quote - we offer VERY competitive pricing! I. Heartwood varies from dark reddish brown to a pinkish color and has excellent weather-resistant properties. Growth, properties and uses of western red cedar (Thuja plicata Donn ex D. Don)/by Josefi na S. Gonzalez. Cypress is one of the most versatile timbers available for use in exterior applications. A decoction of the leaves has been used in the treatment of colds. Cedar and pine are two common options used for many building projects, both of which have a variety of subspecies scattered around the world. Western Red Cedar has good fastening properties but its natural preservatives have a corrosive effect on some unprotected metals in close contact, causing a black stain on the wood. ACOUSTIC PROPERTIES ¬ Western Red Cedar reduces or confines noise when used on walls and ceilings. Cedrus deodara Loud. 0000026040 00000 n 3. 1. Dimensionally stable, it takes paint, stains or varnishes easily. Today, America is recognized worldwide as a sustainable source of top quality products. Cedar's low density enhances its insulation value and makes it an easy wood to transport and handle. There are few more versatile building materials than Western Red Cedar which is ideal both for indoor and outdoor uses. For many people in the US this is what comes to mind when the word cedar is … Get this from a library! Includes bibliographical references. Historically, western red cedar (also known as western redcedar) was a very important plant for the indigenous or First Nations people who lived in the coastal area. Western red cedar was employed medicinally by a number of native North American Indian tribes, who used it to treat a wide range of complaints. It is non-resinous and has a strong spicy scent. The most sought after property of Western Red Cedar is its resistance to decay and insect damage, lasting in most any environment well over 100 years. Western Red Cedar is used to manufacture a range of specialty products such as siding, paneling, structural decking and outdoor decking. 0000001705 00000 n US codes set the maximum smoke developed classification for interior wall and ceiling finishes in most buildings at 450. 4 knots per 12’ of board is allowable. Includes bibliographical references. or 25' high, they branch like crazy, and the wood is only commercially marketed for aromatic purposes (anti-insect) for closet linings and the like. Average Dried Weight: 575 kg/m³. They are used in conjunction with flame spread ratings to regulate the use of interior finish materials where the potential to generate smoke or control smoke movement is of major fire safety importance. One of the lightest commercial softwoods, the density of Western Red Cedar at oven-dry conditions is approximately 21 pounds per cubic foot with a relative density (specific gravity) of 0.32. For example, you could have a Number 2 structural grade that also has an A & Better appearance grade. Clear, Vertical Grain – This is the highest grade of Western Red Cedar. In this article, I describe forty facts about the plant and the importance of the “tree of life” in the local culture. If you don’t care to keep up with the maintenance than red cedar may be a good choice. Properly finished and maintained, cedar will deliver decades of trouble-free service. Western or Pacific redcedar, giant or western arborvitae, giant cedar, canoe cedar, shinglewood, is an evergreen coniferous tree in the cypress family Cupressaceae, native to Western North America. 234 0 obj <> endobj xref 234 21 0000000016 00000 n Cypress is one of the most versatile timbers available for use in exterior applications. Forest Products Laboratory, Forest Service … For nominal widths, thicknesses and grades of some commonly available Western Red Cedar lumber products, see the Cedar Products section. [B A Bendtsen; Forest Products Laboratory (U.S.)] However, it has a very low shrinkage factor and is superior to all other coniferous woods in its resistance to warping, twisting and checking. Smoke developed classifications reflect the amount of smoke released by burning material. Characteristics & Properties of Western Red Cedar, characteristics-properties-of-western-red-cedar. Structural and Appearance grades can sometimes be combined as well. Believed available from well-managed sources. The lower the flame spread rating, the more the material resists the spread of fire. Western Red Cedar offers the advantages of natural beauty, design flexibility, exceptional dimensional stability and long term durability. Add to the fact the specie is highly durable, and the result is both a pergola with a ‘wow’ factor, plus years of sheltered entertaining. US codes set the maximum flame spread rating for interior wall and ceiling finishes in most buildings at 200. Physical & Mechanical Properties A coarse-textured softwood, weighing 376 kg per cubic metre, with a close, uniform, straight grain and an extreme resistance to decay. information provided by the Western Red Cedar Lumber Association . produces cedar of Lebanon, a native of the Middle East. What lies beneath a tree is just as important -- if not more so -- than what grows above. Environmental. Floor, ceiling and wall assemblies of wood can provide effective economical sound insulation and absorption when properly utilized. It is available in clear or knotty grades with smooth surfaced, combed or rough sawn finishes; kiln dried or unseasoned (green); flat grain and vertical grain. 0000002446 00000 n An infusion of the leaves has been used in the treatment of stomach pains and diarrhoea. 0000002672 00000 n Examine Western Red Cedar as a building material in order to understand its durable and sustainable properties. I. Battens and Screens Characteristic values of mechanical properties and density were determined and indicative yields for different strength classes were calculated. Twenty years ago the species was considered as having practically no value. Today, America is recognized worldwide as a sustainable source of top quality products. 2. ��(p�Z� With its low density and high proportion of air spaces, Western Red Cedar is the best thermal insulator among the commonly available softwood species and is far superior to brick, concrete and steel. rȋ8��/�Jy Precautions and toxicity of red cedar. Static bending strength *: Modulus of elasticity *: (*: at 12% moisture content, with 1 MPa = 1 N/mm²) % % % % MPa MPa MPa Note: WESTERN RED CEDAR wood tends to split. Nails and screws used to fasten Western Red Cedar should Western Red Cedar Beams Full dimension beams. ... are ASTM Standards D 2555 and D 245 for clear wood-based properties, and D 1990 for full-size test specimens. Western Red Cedar is used to manufacture a range of specialty products such as siding, paneling, structural decking and outdoor decking. Choosing the right type of wood for your project requires a little background knowledge of the traits of different woods. Comparative oven-dry densities of cedar and some other softwood species are given in the Table 1 (in the Product Selection tab).Cedar’s low density enhances its insulation value and makes it an easy wood to transport and handle. What Western Red Cedar lacks in strength, it makes up for in appearance. Not listed in CITES. Western Red Cedar especially is superior to steel, concrete, and brick in this respect. 6% is the average equilibrium moisture content for interiors of heated buildings. Design values provided for Western softwood species manufactured and shipped by mills in the 12 contiguous Western states and Alaska. 0000002940 00000 n Alternate Combinations are available in non-structural grades. Of all available softwood species, cedar tends to be one of the best thermal insulators. Medium-to-fine texture. The Western Red Cedar contains a extremely strong compound called trienolone, which is one of the reasons the wood takes so very long to decompose on the forest floor. Western Red Cedar lumber is available in visual stress grades for construction and finishing uses in a range of lengths, widths and thicknesses. SP-37R) Co-published by Western Red Cedar Lumber Association and Western Red Cedar Export Association. The wonderful properties of CedarWestern Red Cedar is quality, beautiful, durable, versatile, easy to use and maintain. (Special publication, ISSN 0824-2119 ; no. Western Red Cedar’s stability makes it a very popular choice for pergolas and gazebos (provided structural support is not a requirement). Shrinkage does not begin until the fiber saturation point is reached. I believe red cedar will cost more than twice as much in Western Mass for a log home. Natural resistance to deterioration has long made Western Red Cedar the premier choice for either interior or exterior home use. Western Red Cedar is ideal for projects that require stability, natural durability and easy to work with, such as: Outdoor landscape elements:decks, planters, fences, screens, garden furniture and sheds; or exterior siding, roof tiles, interior wall and ceiling panelling, doors and windows, and a variety of joinery items. �>�5�CO��4�����n�g�3�X�5j]X��Ȇl�VZ�N�1b!H�>�!a�خk-3R+�.Jk��Ms`�Ŷ��/J0� Fasteners should be corrosion resistant such as aluminum, hot-dipped galvanized or stainless steel. Cedar is a type of coniferous wood, meaning that it is classified as a softwood and its cones/needles remain all year round. Vertical grain means that the growth rings are parallel to each other on the face of the board and the wood is sawn specifically to achieve that look. Western Red Cedar’s flame spread rating and smoke developed classification compare well with the ratings of many other species of both softwood and hardwood. Western or Pacific redcedar, giant or western arborvitae, giant cedar, canoe cedar, shinglewood, is an evergreen coniferous tree in the cypress family Cupressaceae, native to Western North America. Western red cedar, Thuja plicata. The trees themselves rarely exceed 8" dia. 15% is the average equilibrium moisture content of wood during the summer in the Pacific Northwest. Western red cedar trees may grow up to 60 meters (about 200 feet) tall, and they have cinnamon-red or brownish bark. Durability As one of North America’s most durable woods, it lasts for decades and even centuries. ����{ᚏOS ^��\A(�O.���3U����x��������$�5͘q�[U�����[1�,f��lh_a��A|����������&y���M��[p(��s{���4�3)�s� �H5�2�;�x���'��,����S/“X��6w���0���y��@̶�A�R�][��P�hw�yK���M�͆.ۼ��^s��׃> For many people in the US this is what comes to mind when the word cedar is … SP-37R) Co-published by Western Red Cedar Lumber Association and Western Red Cedar Export Association. %PDF-1.3 %���� 0000001473 00000 n 0000001538 00000 n Western provides an impressive range of appearance, structural and industrial wood products destined for both local and international markets. British grown western red cedar generally has similar properties to material imported from North America. It is found as a tree or shrub. Western hemlock is increasing in the esteem of lumbermen. Demonstrate Western Red Cedar’s versatility as a building material through three case studies Our BCA consultant requires confirmation that the western red cedar is a … Western Red Cedar is particularly effective in this regard and can be used to help reduce noise or to confine it to certain areas. 12% is the summer average equilibrium moisture content in most areas of the US. Return to main Cedar page. Our access to a diverse and unique species mix coupled with our unparalleled investment in manufacturing supports us in meeting our customers’ need for a consistent and reliable supply of quality products. Important structural properties of four Western softwoods : white pine, sugar pine, western redcedar, and Port-Orford-cedar. Believed available from well-managed sources. The Standard Species Combinations for structurally graded Western lumber are also shown on this page. The simple cell structure of softwoods’ long, uniformly packed fibers gives them a high strength-to-weight ratio, making them flexible and capable of bearing heavy loads. )6f���e��F�y:��lݳ�_�WU�Q���4�:d,��֭� [W����%���١`1�� ���5.�L� �������)!qM sCf�^�;��(��Ӂ��c����_�Q���3E�����V�q���' WQ�Y��q~OL���A�Օ%���e Very few materials can be reused like this from decommissioned structures, whereas composite materials go straight to landfill. The cost of logging western hemlock is ordinarily high as com- It contains several terpenes, podophyllotoxin, safrole, estragol that could cause harm to … Tree roots stabilize and feed the tree, and if they are damaged by yard tools, the tree can suffer. IMPORTANT STRUCTURAL PROPERTIES OF FOUR WESTERN SOFTWOODS: WHITE PINE, SUGAR PINE, WESTERN REDCEDAR, AND PORT-ORFORD-CEDAR U.S.D.A. C. libanotica Loud. It is non-resinous and has a strong spicy scent. Tree roots can also cause damage of their own, when they break through concrete sidewalks or damage underground pipes. Colour: Yellow to a medium brownish colour. Western red cedar. Aromatic Red Cedar glues and finishes well, though in many applications, the wood is left unfinished to preserve its aromatic properties. If exposed for prolonged periods to conditions where decay could be a factor, such as where the wood is in contact with the ground, cedar should be treated with suitable wood preservatives. Austin Wholesale Decking Supply 10900 N Lamar Blvd., Austin, TX 78753 Phone: 512/834-1200 ¬ The open cell structure of the timber is able to absorb and dissipate sound energy. The structural grades of Yellow Cedar are ideal for uses where strength and/or natural durability are important. For structural applications, Western species readily combine into six Species Groups, shown below. Detailed product information is available from the Western Red Cedar Lumber Association. Cedrus atlantica Manetti produces Atlantic or Atlas cedar, a native of Algeria and Morocco. These superior ratings allow for cedar to be used in the interior of a structure without the need for treatment. Western Red Cedar has flame and smoke development ratings that are higher than most in its class. Check certification status with suppliers. 0000001686 00000 n 0000025703 00000 n 0000002606 00000 n This is an important characteristic since good thermal insulators help keep buildings cool in the summer and reduce heating costs in the winter. Battens and Screens Western Red Cedar’s stability makes it a very popular choice for pergolas and gazebos (provided structural support is not a requirement). It is also a recognized structural material with known mechanical and physical properties. The essential oil of red cedar is toxic. 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