Thanks. 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. Glulam provides us with a longer and larger piece of building material that is composed of smaller pieces of lumber. Email or call 888-453-8358. Microllam ® LVL 1.9E Beam 118,750 1.9 x 106 965,710 2,600 1,555 750 2,510 285 0.50 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 We have four full time engineers with over 60 years of combined experience that can help you appropriately size and spec to meet code, save money, and get the job done right. google_ad_client = "ca-pub-6101026847074182"; It is just a question of rot resistance. That stress then needs to be adjusted with all applicable adjustment factors per chapter four of the NDS. 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. Available sizes, strengths, and stiffnesses are similar to PSL but are generally cheaper, making it a commonly specified beam type. I am having a ramada built 15’x13′. The strands are, with adhesives, then subjected to pressure and microwave heating to cure the adhesives. Yes, Glulam beams would be considered heavy timber in building code and fire code. They are made using long thin strands of wood and a super strong adhesive glue to give you perfectly predictable beams and columns. Does glulam come in 20 ft lengths? This would give your home the strength you want as well as the visual appeal. Nija. Alaskan Yellow Cedar would be fine – either solid or glulam. Microllam ® LVL (Laminated Veneer Lumber) is one of the older Trus ® Joist products but is still a versatile performer in a wide range of structural applications. It can check, which many people feel adds to the character of the wood. In this instance it’s all in what he wants to do. Name In addition, the struts are manufactured with knockout holes for wiring and piping, reducing construction site labor costs. Issues would be cost, appearance and performance. Parallam PSL beams are not manufactured with camber. Solid Beams: Which Is Best For Your Project? Email Is a glulam in the same size going to be just as strong or stronger than a solid timber beam? We're committed to clean, renewable options that meet environmental standards and coexist with sustainable forestry. Trus Joist ® Parallam Plus PSL Specifier's Guide TJ-7102 |14June 20 3 pRoduCT FeaTuReS and SizeS in order for parallam® plus pSl to perform as described, the product must maintain its original cross section. ENV-1002 - Terms and Tips for Environmentally Responsible Building AYC has much better rot resistance and insect resistance, whereas D. Fir (heartwood only) is okay with rot resistance, and could be susceptible to insect attack. My question is whether the 10 x 20 ft pergola could be built with just 4 posts using glulam or would I need 6 posts? Current month ye@r (4 digits) day * Each has a beam depth of 21″, finished width of 5″, chord length of 25′, and curvature radius of 150′ (very little arch). google_ad_slot = "2612997342"; Under the Parallam trademark, TJ markets its parallel strand lumber (PSL) products. We're focused on climate change solutions, creating sustainable homes for everyone, and supporting thriving rural communities. It is manufactured straight and true with uniformity and predictability. My question is: Should we go with glulam beams or solid timber beams? If you proceed without upgrading or switching browsers, you may not experience optimal navigation or page functionality. Your local experts will be able to advise you on this and make sure you use the right materials for the job. We offer a range of exciting career opportunities for smart, talented people who are passionate about making a difference. 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. Glulam is also less prone to shaking, checking and warping since the smaller pieces of wood have been seasoned and laminated.