Crosslaminated timber clt is a relatively new, large structural panel product composed of multiple layers of dimension lumber held together with adhesives. Cecertificate hasslacher cross laminated timber eta120281 en. Before aerospace, software and coffee defined the pacific northwest, timber was the industry that fueled our economy. Clt is a wood paneling building system, that has the potential to be a costcompetitive, woodbased solution that complements the existing light frame and heavy timber options. The panel is then sized and shaped with a computer numerically control cnc machine into a fully constructionready. Crosslam australia is the first manufacturer of crosslaminated timber clt panels in australia.
Crosslaminated timber is a solid, multilayered timber construction material. A clt expert clears up several common misconceptions and myths surrounding the use of wood as a building material. Cross laminated timber clt is an engineered wood product consisting of a number of layers of wood glued at right angles to one another. Because this type of environment is currently found in traditional, brick and timber. Woodsolutions is an industry initiative designed to provide independent, nonproprietary information about timber and wood products to professionals and companies involved in project development and design and construction in the built environment. It is used in walls, floors and roofs in residential and nonresidential construction. Above a basement and ground floor of concrete, the buildings structure. Introduction to new material cross laminated timber. Designed by waugh thistleton architects for property developer regal homes, the 16,000 sq m development includes 3,460 sq m of office space. Crosslaminated timber is the most advanced building material.
History of clt in the early 1990s an innovative wood product known as crosslaminated timber clt was introduced in austria and germany. The layered stacks are then pressed in large hydraulic or vacuum presses to form an interlocked panel. Australias crosslaminated timber panel manufacturer. Global sustainability concerns coupled with rising awareness about wood as a building material among consumers are the factors likely to boost market growth in the coming years. Chapter 5 connections connections in crosslaminated timber.
Each layer of boards is usually oriented perpendicular to adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer layers have the same orientation. Cross laminated timber, commonly known as clt or crosslam, is a precision engineered building material that, despite a raft of practical and ecological benefits, is yet to be widely adopted by the uk self build market. Our panels are made from local australian products sourced from sustainable forests. This document contains that deep dive presented in a nabc format market needs, approach to market, benefits of the products and competition. Consult klh massivholzs entire component catalogue for cross laminated timber structures catalogue on archiexpo. Clt is made from kilndried finger jointed sprucefir planks which are laid out into sheets.
Initially driven by the materials sustainable credentials, cross laminated timber buildings are gaining traction, as they can be cheaper, quicker, cleaner and quieter to build than. Cross laminated timber or clt is a structural, prefabricated panel used to form environmentally sustainable, walls, roofs and floors across a wide range of structures. Component catalogue for cross laminated timber structures klh. The international mass timber conference is a leading conference and expo on the use of cross laminated timber clt and other mass timber in global design and construction and is one of the. Crosslaminated timber is a wood panel consisting of multiple layers of lumber oriented at right angles to one another and then bonded together andrew crampton is a practicing planner in the portland metro area and a graduate student at portland state university. Cross laminated timber, commonly known as clt or crosslam, is a precision engineered building material that, despite a raft of practical and ecological benefits, is yet to be widely adopted by the uk self build market growth has, however, been strong in the commercial sector, and it is likely that you have seen a building that features clt.
Each layer of boards is usually oriented perpendicular to adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer. In other words, clt is a precracked composite where. Apr 23, 2020 stories about architecture that uses cross laminated timber, the prefabricated wooden panels otherwise known as clt, including towers, pavilions and cabins. A cross laminated timber panel aka crosslam or xlam is a method of construction that uses timber to form loadbearing solid timber wall, floor and roof panels. Crosslaminated timber construction an introduction. Pdf on mar 27, 2019, h hamdan and others published crosslaminated timber. The panel is then sized and shaped with a computer numerically control cnc machine into a fully constructionready component. Pdf cross laminated timber is an innovative plateshaped product presenting a laminated structure and excellent physicomechanical. Portlands timber framework highrise now has a building permit. Pdf crosslaminated timber clt a state of the art report. Crosslaminated timber clt is an innovative structural system based on the use of largeformat, multilayered panels made from solid wood boards glued together, and layers at 90 degrees. Thanks to its excellent physical and mechanical properties, this laminar timber material has both exceptional thermal insulation properties and can also dissipate loads in several directions. Now, a radical new approach toward sustainable construction building highrises from wood could bring timber back into the spotlight, stimulating rural economies and promoting forest health in a way that architects, conservation groups and timber companies can get behind.
Exterior surface of the cross laminated timber is protected fire retardant treated wood sheathing complying with 2303. In many cases only insulation and cladding is added to the external face to achieve high. Cross laminated timber clt panels are formed by stacking and gluing together successive perpendicular layers of wood. Cross laminated timber clt is the engineered wood of the future and is making the construction of entire buildings from timber a reality. Cross laminated timber is the product most likely to keep people in the structural steel and concrete business awake at night.
Clt offers design flexibility and low environmental impacts. Dec 03, 2011 cross laminated timber opens new possibilities for wood construction wood is a desirable construction material for many reasons including its low embodied energy. They explore the modern properties of timber and push the boundaries of what is possible within timber construction. Clt panels can be made in dimensions up to 10 feet wide and 40. The gluing of both longitudinal and transverse layers, which reduces the movement of the wood, means that clt more than meets the standards required by modern building materials. Cross laminated timber an introduction to lowimpact building materials andy sutton and daniel black, bre pete walker, university of bath this information paper provides a broad view of the benefits and limitations of cross laminated timber clt for those considering its use in construction projects. The global cross laminated timber market size was valued at usd 558. Crosslaminated timber clt is a largescale, prefabricated, solid engineered wood panel. The future of timber construction clt cross laminated timber a study about changes, trends and technologies of tomorrow photo. Glue is applied between the layers on timber faces, but, most commonly, no glue is applied on timber edges within layers.
Jetson green crosslaminated timber opens new possibilities. To develop an awareness of how clt panels are fixed and produce appropriate details. Cross laminated timber clt a subcategory of engineered wood is a wood panel product made from gluing together layers of solidsawn lumber, i. The international mass timber conference is a leading conference and expo on the use of crosslaminated timber clt and other mass timber in global design and construction and is one of the. Stories about architecture that uses crosslaminatedtimber, the prefabricated wooden panels otherwise known as clt, including towers, pavilions and cabins. Jeitler, g augustin, m schickhofer, g mechanical properties of glued laminated timber and cross laminated timber produced with the wood species birch, proceedings of the world conference on timber engineering wcte 2016, august 2225, 2016, vienna, austria, publisher. The floor system was constructed with 5ply clt panels 6. The handbook is based on the original canadian edition of the clt handbook. Pdf introduction to new material cross laminated timber.
Crosslam timber solutions is here from design to installation to help you successfully implement cross lam timber clt into your project. Pdf introduction to cross laminated timber semantic scholar. Cross laminated timber clt is an innovative wood product that was developed approximately two decades ago in europe and has since been gaining in popularity. Sep 17, 2015 when seattle architect susan jones built her wonderful little house out of cross laminated timber clt she had to order it from canada. Each one proves the system efficient, cost effective and wholly satisfying. Status and research needs in europe article pdf available in bioresources 111. Crosslaminated timber handbook related to key issues. We provide inhouse design and engineering services for using clt products in your plans. C24 use is still more common, though c16 timber is more readily available in the uk suggesting that clt manufacturing might become more feasible in the future. Cross laminated timber clt is usually made by laminating three or more timber layers such that grain directions in alternate layers are at right angles to each other. Lightweight yet very strong, with superior acoustic, fire, seismic, and thermal performance, clt is also fast and easy to install, generating almost no waste onsite.
It has been heralded as a material of the future, spearheading a timber renaissance that will be key to sustainable urban growth but how good is crosslaminated timber. The answer is crosslaminated timber clt, a relatively new engineered wood product that is part of a broader category of products called mass timber that includes already popular products such as glulam beams. Structural openings, such as doors and windows, are incorporated within the panels. This was the question posed in a discussion at nicholas hare architects, organised during world green building week 2017. Every generation craves a connection with their environment, to live and work in curated places which feel cared for, while still cultivating stateoftheart space. Crosslaminated timber is now made in the usa treehugger. Crosslaminated timber an introduction to lowimpact building materials andy sutton and daniel black, bre pete walker, university of bath this information paper provides a broad view of the benefits and limitations of crosslaminated timber clt for those considering its use in construction projects.
Crosslaminated timber clt is a multilayered solid timber panel product manufactured to be used for wall, floor and roof elements of a buildings superstructure. We offer rib panels made from cross laminated timber clt. Welcome to inhabitat, your online guide to the best green design ideas, innovations and inspiration to build a cleaner, brighter, and better future. Crosslaminated timber is the worlds most advanced building material, and its going to remake the worlds skyline. Our experience is constructing multistorey buildings. Known simply as clt, small timber sections are formed into large structural panels that are light, stable and very strong. Cross laminated timber clt is an innovative structural system based on the use of largeformat, multilayered panels made from solid wood boards glued together, and layers at 90 degrees. Chapter 5 connections connections in crosslaminated. There will be more crosslaminated timber buildings in the world because each new one that klh uk is involved with takes the quality mark higher. A crosslaminated timber panel aka crosslam or xlam is a method of construction that uses timber to form loadbearing solid timber wall, floor and roof panels. It is essentially mass timber plates made from smaller framing lumber laminated crosswise on their wide. Crosslaminated timber in the 2015 ibc and nds mat242. First developed in switzerland in the 1970s, clt is an extension of the technology that began with plywood and may be best described as a jumbo plywood.
Mbm operates from the port of tilbury carrying large and comprehensive stocks of both panel products and structural softwood timber. Crosslaminated timber is the product most likely to keep people in the structural steel and concrete business awake at night. The first stages of clt manufacture are the same as those for the production of kiln dried sawn softwood timber, namel dried timber arriving at the manufacturing site is classified according to its. Cross laminated timber market size global clt industry. Discuss the advantages of cross laminated timber over other building. Fasteners driven perpendicular to the plane of panel 30. To understand the performance of clt panels in relation to fire, sound, thermal insulation, structural stability and durability. Cross laminated timber clt was initially developed in europe as an alternative to stone, masonry and concrete construction. Cross laminated timber is a wood panel product that is made by gluing together layers of lumber stacked in alternating perpendicular directions. Barriers to the design and use of crosslaminated timber. The rise of crosslaminated timber features building. Cross laminated timber clt is a relatively new, large structural panel product composed of multiple layers of dimension lumber held together with adhesives.
We offer rib panels made from cross laminated timber clt and glue laminated timber glulam by stora enso. Fire behaviour of crosslaminated solid timber panels. See more ideas about timber architecture, architecture and timber structure. Cross laminated timber is a wood panel consisting of multiple layers of lumber oriented at right angles to one another and then bonded together andrew crampton is a practicing planner in the portland metro area and a graduate student at portland state university. Crosslaminated timber opens new possibilities for wood construction wood is a desirable construction material for many reasons including its low embodied energy. Clt is a costcompetitive woodbased solution that complements existing light and heavyframe. Cross laminated timber, or clt, is an engineered timber product that is threatening to upset the dominance of the big two structural materials. Based on the experience of european researchers and designers, it is believed that clt can provide the u. Designing connections in cross laminated timber 28. Doweltype fasteners driven in the narrow side of clt panel. This article provides a more detailed introduction to the applications and use of clt as a structural timber product. Crosslaminated timber clt a subcategory of engineered wood is a wood panel product made from gluing together layers of solidsawn lumber, i. Structural tests of concrete compositecrosslaminated.
Clt is a wood paneling building system, that has the potential to be a costcompetitive, woodbased solution that complements the existing light. An innovative building material takes hold in oregon. When seattle architect susan jones built her wonderful little house out of crosslaminated timber clt she had to order it from canada. Prefabricated rib panels by stora enso make the perfect choice for longspan structures and large open areas featuring unobstructed, columnfree spaces. Crosslaminated timber clt, a new generation of engineered wood product developed initially in europe, has been gaining popularity in residential and. But, until recently, it has not been possible to build tall wooden structures because of the relative weakness of conventional wood stud construction methods. The result is a lightweight, strong building material that is fire resistant,earthquake safe, and wellinsulated. Cross laminated timber is the worlds most advanced building material, and its going to remake the worlds skyline.
Cross laminated timber properties including effects of non. Describe the characteristics of cross laminated timber clt and its use in a. Why connections in clt are different than those solid timber or glulam 28. The future of timber construction clt cross laminated timber. Experimental tests of a composite concrete cross laminated timber clt floor system were conducted. The sheets are then stacked at right angles and glued together in perpendicular.
60 1350 313 282 1298 231 32 198 1428 552 547 331 398 1325 418 612 540 557 902 115 1580 1220 1396 1375 697 366 657 831 361 1077 382 735 136 1482 647 261 1270