Parallam® PSL 1.8E Column 112,500 1.8 x 106 914,880 (11)2,400(11) 1,755 4252,500 190(11) 0.50 2.0E Beam 125,000 2.0 x 106 1,016,535 2,9002,025 750 2,900(12) 290 0.50 TimberStrand® LSL, Microllam® LVL, and untreated Parallam® PSL are intended for dry-use applications The standard sizes of LVL include widths of 3 ½, 5 ¼, and 7 inches, and depths from 9 ½ to 24 inches deep. Delivers maximum structural reliability and considerable strength, Has fire-resistant properties similar to solid timber, burns at a slow and predictable rate, Small wood pieces can easily be made into large LVL beams, Can easily be cut and machined with regular woodworking tools, Simon is an entrepreneur and self-proclaimed jack of all trades. Product is available in sizes 3-1/2″ to 7″ wide, and 9-1/2″ to 24″ deep. LVL is another common timber wall cladding option for modern buildings. I need advice on architectural grade glulam vs. parallam. Parallam PSL is manufactured to similar MC tolerances as TJI joists, which provides a more dimensionally stable and joist compatible beam solution. This especially proves helpful in retrofit projects where lifting a big, heavy beam is difficult or impossible. Thank you for your interest in Weyerhaeuser and we hope you enjoy your visit. If you have an old house and can get in the crawlspace or basement, you will have a good peek at the joists and carrying beams. Likewise, be mindful of product depth when selecting glulam beams to use in conjunction with ELP. For more than a hundred years, Weyerhaeuser has been building and enhancing a reputation for responsible corporate citizenship. Simon is an entrepreneur and self-proclaimed jack of all trades. You’d have to look up the tables and compare carefully, this is typically best left to a professional engineer. Each piece of this lumber is actually composed of smaller, micro-thin layers of wood that are glued together—or laminated. Source Of Modern Interior Design Ideas | Architecture Ideas, The Benefits Of Having Wood Furniture In Your Home. You appear to be using an older browser. Getting rid of unwanted things in the house makes your home tidy. A glulam unit looks like a well-bonded stack of large lumber glued together. And the two most popular options among builders are. Columns are available in sizes from 4×4 and 8×8. And the two most popular options among builders are glue laminated timber (glulam) and Laminated Veneer Lumber (LVL). For starters, glulam timbers are very strong, highly customizable, and cost-effective. It’s important to note that they should be dry before they’re installed. Microlam is a common misspelling. Both glulam and LVL have their own set of advantages in the construction industry. Glulam requires careful handling and safe storage for damage prevention. It organizes your home and makes it easier …. Parallam PSL is ideal for beams, headers and columns and reduces the need for special design and installation consideration common to a non-homogenous glulam beam product. Also known as microlam, LVL is made from peeled or sliced thin veneers laid in a parallel arrangement and bonded together under heat and pressure. I-Joist compatible glulams, while manufactured to be the same height as TJI joists, may shrink once in a closed up building. Since they are made with smaller pieces of lumber, they are also resource-efficient. In the event that there is still a problem or error with copyrighted material, the break of the copyright is unintentional and noncommercial and the material will be removed immediately upon presented proof. For use in exterior applications, Wolmanized® Parallam Plus PSL beam material is also available. It is actually spelled "Microllam®" and is a brand name term that has been owned by Weyerhauser Lumber since 1994. Todd Fratzel says: August 28, 2018 at 6:25 am They are quite different. Parallam (1) 3-1/2” x 9-1/2” 9.20 Glulam (Arch. © Weyerhaeuser Company. Moreover, glue-laminated timber shouldn’t be exposed to outdoor conditions until they’re ready for installation unless of course, they’re specially made for outdoor areas. TJI Joists are manufactured with an intended end-use MC of 8-12%. If proper care isn’t taken, damage to the edges and exposed corners is inevitable. Individual glulam manufacturers, as well as the APA, provide guidelines for cutting and notching glulam beams; however, glulam beams may not be field ripped. Due to the strength and stiffness glulam construction offers, it’s often an essential component used for building vaulted roofs, domes, and bridges. (glulam) and Laminated Veneer Lumber (LVL). With millions of acres across the U.S., we offer hunters, anglers and other outdoor enthusiasts a vast resource for enjoying outdoor recreation. Grade) (1) 3-1/2” x 7-1/4” 12.00 20 feet Dimension Lumber (3) 2x10 3.00 Wood-i (1) TJi 11-7/8” 2.20 LVL (1) 1-3/4” x 11-7/8” 3.40 Parallam (1) 3-1/2” x 9-1/2” 9.20 Glulam (Arch. Trus Joist® Parallam® PSL and commodity 24F-V4 glued laminated timbers (glulam) are often thought of as interchangeable; however, these two beam technologies have distinct differences which are important to understand when specifying beam material. By using this website, you agree to our Privacy Policy. We’re one of the largest private landholders in the United States. Get updates from the blog through our Insights newsletter. The biggest reason why builders so commonly use LVL is that it’s cheap. Carrying beams, as the name infers, carry huge loads and are serious hunks of timber. Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. option for modern buildings. Contact your local Trus Joist product representative for more information. Your choice between the two will depend on the type of construction project you’re working on and the kind of results you want. These tolerances may present compatibility issues with other engineered lumber products (ELP). Ideally, it should be handled the same way as solid timber. Builders and designers enjoy a number of benefits by using glulam in their construction projects, including: Also Read:- The Benefits Of Having Wood Furniture In Your Home. Most, if not all modern wood-framed buildings use engineered wood products. Therefore, you should consider preservative treatment and coat the material with a protective sheet. LVL is a popular timber wall cladding option that demands careful handling and storage. Currently, he works as a marketing consultant for ASH- one of the prominent suppliers of engineered oak flooring in Australia. You should also consider covering them with a plastic sheet to protect them from the weather. We offer exceptional product performance and unparalleled support. The strands are glued and pressed together to form one solid cross section with uniform properties so it does not have a “top” or “bottom”. Other companies provide structural laminated lumber products, such as: Microllam and most other LVL runs high per linear foot because of the high degree of manufacturing that goes into each piece. Garage door openings benefit from LVL or Microllam construction because the span is so wide. While costly, Microllam and other types of Laminated Veneer Lumber (LVL) are today's standard for areas of the home that need heavy support without the bulk associated with older construction techniques. When on site, LVL beams should be laid flat off the ground. As stewards of these assets, we maximize the value of every acre. All Rights Reserved. Surface scratches are very common when handling glulam and so, make sure that you always use fabric slings when lifting it. A big kid at heart if it goes fast, bounces, slides or you can climb it Simon has put it to the test. Parallam PSL comes with a limited lifetime warranty, which warrants against manufacturing defects for the lifetime of the structure provided that the product is properly stored and installed per Weyerhaeuser’s instructions. We're focused on climate change solutions, creating sustainable homes for everyone, and supporting thriving rural communities. Parallam PSL beams are not manufactured with camber. Herzog & de Meuron is a partnership that is led by the designer Jacques Herzog... All materials, unless otherwise noted, were taken from the Internet and are assumed to be in the public domain. The standard sizes of LVL include widths of 3 ½, 5 ¼, and 7 inches, and depths from 9 ½ to 24 inches deep. Balanced glulam beams can be used in column applications, however the commonly available 24F–V4 unbalanced glulam is not recommended for column applications due to the increased eccentricity which results from a non-homogeneous cross-section and camber. Likewise, cambered rim material may create additive elevation difference in shafts and elevator cores in multiple story application. This website is best viewed using the latest versions of Internet Explorer, Chrome, Safari, and Firefox. Microlam—correctly spelled "Microllam®," but more on that later—is the brand name for a type of engineered lumber used for heavy structural support. By using The Spruce, you accept our, Laminated Veneer Lumber (LVL) Manufacturers and Brands, Dimensional Lumber Sizes For Building and Remodeling, How to Use a Lally Column (Adjustable Steel Column), How to Choose the Right Subfloor Leveling Techniques, How to Make Faux Wood Beams That Look Original to Your House, The Subfloor Is the Foundation of a Good Flooring Installation, Pressure Treated Wood Code Requirements at Home, How to Replace a Load-Bearing Wall With a Support Beam. Much like plywood, thin sheets of wood are sandwiched and bound with super-strong glue. Glulam beams are typically manufactured for a specific design. As a result, Parallam PSL can be used in any beam application without concerns about a possible strength reduction or improper installation. Glulams come in depths that may not be compatible with TJI joists and other Trus Joist SCL. Another niche for Simon is travel and outdoors leisure, including sporting equipment and bikes. Additionally, Weyerhaeuser has an experienced team of field and technical support representatives available to assist with member sizing or answer questions about installation or beam modifications. As mentioned, the generic name for this type of lumber are the initials LVL. Trees are a remarkable resource that, when managed responsibly, can meet a wide range of fundamental needs for people and the planet for generations to come. This technical blog highlights the advantages of using Parallam PSL over commodity 24F-V4 glulam for beam, header and column applications. Weyerhaeuser manufactures Parallam PSL to within ±1/16″ of the published sizes at an expected end use moisture content of about 10%. This can lead to uneven floors, which may cause finished surface problems and potential floor noise. Its always a struggle when the engineer doesnt give options on plans for exact replacement for psl vs lvl. Also known as microlam, LVL is made from peeled or sliced thin veneers laid in a parallel arrangement and bonded together under heat and pressure. Email techsupport@weyerhaeuser.com or call 888-453-8358. As far as weather damage is concerned, short-term exposure doesn’t really affect its performance but long-term exposure can. On the other hand, you’ll only find LVL buried in the walls, usually over windows and doors. Its homogeneous cross-section makes it a good solution for columns in tall walls. Trus Joist literature and software provides quick and easy guidance for field modification. Let’s dive in to find out what each of these really is a stronger option for your wood building project. Reply. The classification of glue-laminated timber members is based on their unique strength properties and their rating on a stress classification system. Likewise Forte®, Weyerhaeuser’s free single member sizing software, can analyze holes in Trus Joist SCL up to 2/3 the member depth. LVL makes modern homes possible. Commonly stocked glulams have a 5,000 ft camber. Also known as microlam, LVL is made from peeled or sliced thin veneers laid in a parallel arrangement and bonded together under heat and pressure. Glulams are manufactured in balanced and unbalanced layups: Weyerhaeuser’s manufacturing technology allows Parallam PSL beams and columns to be produced relatively straight and true.
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