LVL BEAM SPAN TABLES INSTALL

I didn't realize that the lumber yard could provide expert consultation in this way, so that suggestion was very helpful.

I'd love to lower the foundation, but at what expense? Going lower on the foundation would have meant double the drilling since now I'm exposing more ledge area and it's more solid. That got me an extra foot in the basement, to a 7' ceiling if I used 2x8's for joists. The shelf span parameter represents the beam span. Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are. I spent a week drilling holes (130) in the ledge and pouring in Dexpan to break it up to the point where a small hammer on a skid steer could bust it out. This calculator can also be used to measure beam deflection. Select the correct table for the supported floor joist condition (simple or. Blasting is not an option due to cost, and I doubt that any demolition person would do that when it's right next to another structure. LVL 2.0E Floor Beam Quick Reference Tables. When we dug the hole, we hit ledge at 6 feet down. I may keep the 8' LVLs and use them to stiffen the floor in the older section.Īs for 'refusing' to drop the foundation, or raising the floor: It would be better to say I'm having to make choices. This will still be much better than the house I'm adding on to where the floors are carried by 2x8's sitting on horizontal 4x4's resting on piers every 6 to 10 feet. He said that if I used a triple 12', then the floor would be perfectly stiff, but the double would be fine.

LVL BEAM SPAN TABLES INSTALL

Learn more about Engineered Wood Products by downloading the correct install and/or specifier guide in your region and get access to span charts for BCI Joists and Versa-Lam LVL. Design a beam width based on the fact that the typical width of an LVL beam is 1-3/4 inches to 3-1/2 inches. To figure out or estimate of LVL beam size and their depth. Said that if I put in a center post, I could stay with the 8', but I don't want that. SPAN AND SIZE CHARTS FOR ENGINEERED WOOD PRODUCTS. To calculate the size of the LVL beam simply divide the span in inches by 20 which gives the depth of the beam and the width of the LVL beam 1/3 or 1/4 of its depth. Total Load deflection is limited to L/240. Live Load deflection is limited to L/480 or L/360 as indicated in the tables above. The shortest span shall not be less than 40 of the longest span.

Multiple spans are based on the longest span. I dropped in on them this morning and after looking it over and doing some calculations, they said I needed to swap out my 8' LVLs for 12'. Multiple span lengths shown require adequate lateral bracing of bottom edge of LVL. I'm getting my materials from Hancock Lumber in Conway, NH.

Lvl beam span tables