![]() For purposes of design, I don't think you'll ever have 40 psf there, especially if they building a knee wall and wall it off. The last thing is that the attic above has a gable roof so there won't be any load near the two long walls of the residence as there is no head room. So many lumber yards have LVLs with 2.0E, but how can you be sure what the Fb is? I got the feeling when I spec out a 2850 how do I know that's what the Fb really is? I know Fb can be 2850, 2900, or 3100 for 2.0E? If I specified Fb = 3100 the 2 ply beam would work for sure. ![]() When I asked bending strength they all said they don't know they just know the E. The last question is that I called around some lumber yards to just see if they have 2.0E LVLs and what the bending strength is. Because of this my thought is that the deflection in reality is not really 5wl/384EI, but could be 1wl/185EI because it more resembles a two span beam with one span loaded.I know it's a gray area and judgement, but I'm trying to get a 2 ply beam to work. Span Tables Index of span tables 15 Scope of this publication This Design Guide and Load Tables assist in the selection of SmartLVL14 beams for most of the common structural arrange-ments met in domestic construction. Since the beam is not simply supported in 's a 115" span with the second span partially over a closet (bearing for 48") and partially spanning an opening (approximately 32"). The interaction ratio is 1.0 for bending. By increasing the E to 2.0 and Fb to 2850, I can get the beam to work. beam for the 115" span they show I need 3 plies of 7.25" LVL (they don't want to go taller than that with LVL since the joists will be 2x8s). I started a thread yesterday regarding sistering the joists. The opening is 115", then there is a closet which the beam will sit on, and then span the opening over the entrance which is 32 inches. 0.50(7) Microllam LVL 1.9E Beam 118,750 1.9 x 10. the contractor wants to install one long LVL (18' long). There are several openings they want to make and have the ceiling open. Using these guidelines will help keep product clean, shed rain, and promote air circulation to dry off any incidental moisture.I'm designing an LVL to support floor joists and remove a bearing wall. PWT LVL products should be protected by keeping the products wrapped, off the ground, stacked, and supported appropriately. Moisture content for in service conditions will vary widely. PWT LVL may swell, shrink, and change shape in response to moisture and adverse weather, even with the additional protection of factory applied sealants. Allowable loads (plf) for Ultralam LVL 2.0E/2900psi Load Duration of 1.15 Snow Loads Clear Span 2.0E 1 Ply LL/240 TL/180 C d 1.15 2.0E 2 Ply LL/240 TL/180 C d 1.15 2. When PWT LVL leaves the manufacturing facility, its dimension tolerances are within the manufacturer’s limits and the product moisture content is between 6-10%. Greater load capacity means longer, uninterrupted spans. Multiple pieces of GP Lam LVL can be assembled easily to obtain greater thicknesses, providing additional strength to carry heavier loads. This slight deviation in dimensions is called tolerance. GP LamLVL is designed for use as oor beams door, window and garage door headers and ridge and hip beams. Due to the manufacturing processes there may be slight variations between the product and nominal dimensions. PWT Laminated Veneer Lumber (PWT LVL) is produced to specific tolerances based on manufacturing equipment capabilities.
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