(2) Ft has been reduced to reflect the volume effects oflength, width and thickness. Shear modulus of elasticity G = 118,750 psiĬompression perpendicular to grain Fc⊥ = 750 psi (3)Ĭompression parallel to grain Fcll = 2,510 psi See page 17 for multiple-member beam connections.ġ.9E Microllam® LVLAllowable Design Stresses 16", 18", and 20" beams require multiple plies.Tables on pages 4–7 include reductions applied in accordance with code.All members 71/4" and less in depth are restricted to a maximum deflectionof 5/16".Bearing lengths are based on Microllam® LVL’s bearing stress of 750 psi.Lateral support required at bearing and 24" on-center maximum.So request Microllam® LVL with Watershed™ overlay for your next project and be assured that yourengineered lumber will stay consistent from start to finish.įor more information on Trus Joist’s exclusive Watershed™ overlay, please contact your Trus Joist representative. Our Watershed™ overlay promotes dimensional stability and protects Microllam® LVL from the elements throughout theconstruction phase. When combined with a waxsealant on the ends and edges, it produces a protective layerlike no other. Thisresin-impregnated overlay bonds to the wood veneer,creating a barrier to moisture. Watershed™ is a high-densityoverlay that may be applied to Microllam® LVLmanufactured at our eastern and southern plants. Like water off a duck’s back, Trus Joist’s proprietaryWatershed™ overlay protects Microllam® LVL againstcupping and swelling. But you can bring one important materialthat’s dressed to weather any storm! Technical representative for availability.Ĭode Evaluations: ICBO ES ER-4979,ICBO ES PFC-5676P, and FHA/HUD 925hĪll Weather Gear: Microllam® LVL withWatershed™ Stability OverlayYou never know when weather might bring dramatic changesto your job site. Some sizes may not be available in your region.Contact your local Trus Joist dealer or The long spans and impressive strength of Microllam® LVLcan make a difference in any floor or roof system. Commercial productsare typically designed, manufactured and sold byTrus Joist for each specific job.įor more information on any Trus Joist products, pleasecall 1-80. The residential products in this brochure are primarilyintended for use in single and multi-family dwellings.These products are readily available through ournationwide network of distributors and dealers.įor commercial applications such as retail stores, officebuildings, schools, restaurants, hotels, nursing homes,etc., please refer to the COMMERCIAL PRODUCTMANUAL or Commercial Section of our STRUCTURALPRODUCTS DESIGN MANUAL. Microllam® LVL headers and beams are available in the followingsizes: 19įrameWorks® Building SystemMicrollam® laminated veneer lumber (LVL) is manufactured from thinsheets of veneer structurally bonded together to make headers andbeams that span much longer distances and support heavier loadsthan ordinary lumber. 14 –15īeam Details and Bearing Information.
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