Lvl beam span chart

2. Spans have been limited by the capacity of typical framing anchors at the stringer to header connection on page 4. Longer spans may be possible with other details. Contact your LP representative for additional information. 3. Design Values for LP® SolidStart® LSL and LVL are located in ICC-ES Report ESR-2403. 1-1/2" 1.55E LSL and 1-1/2" 1. ...

Lvl beam span chart. First, convert joist reactions to plf load on each side of the beam by taking the joist reaction (lbs.) divided by. the joist spacing (ft.). 400 lbs/(16/12) = 300 plf and 533 lbs/(16/12) = 400 plf. Check factored resistance. tables to verify that 3 plys can carry the total factored load of 700 plf.

LVL Span Guide. ENGINEERED WOOD Save time and money with better support Fast technical support a 1800 808 131 PRODUCTS FREE designlT site Available from: …

First, convert joist reactions to plf load on each side of the beam by taking the joist reaction (lbs.) divided by. the joist spacing (ft.). 400 lbs/(16/12) = 300 plf and 533 lbs/(16/12) = 400 plf. Check factored resistance. tables to verify that 3 plys can carry the total factored load of 700 plf. Beam Size: 2×12 inches. Loading Conditions: The beam will be used as a header in a residential window opening, supporting a concentrated load of 10,000 pounds. Step 1: Identify Wood Species: Douglas Fir-Larch is known for its high strength-to-weight ratio and is often used in structural applications.The American Wood Council provides various calculators and tools to help you design and build with wood. You can use the online span calculator to determine the maximum horizontal span for joists and rafters, or the span options calculator to compare different species and grades of wood. Learn more about the benefits and applications of wood construction with the American Wood Council.Indices Commodities Currencies StocksLVL Span Tables. Downloads -Smart10 LVL Design Guide 2024: 8.19 MB: Download SmartLVL 12 Studs 2019 Edition 1: 1.36 MB: Download SmartLVL 12 Roof Batten 2019 Edition 1: 1.02 MB: Download SmartLVL 12 Framing VIC 2019 Edition 1: 1.24 MB: Download SmartLVL 12 Framing 2019 Edition 1: 1.31 MB: Download

Ridge Beam Sizing Calculator. Use the drop downs below to select your loading, house width, and material to calculate the appropriate size of TimberStrand or Parallam ridge beam. Calculator is for use in U.S. applications only. For Canada switch to Canada Sizing Table Lookup. Use ForteWEB™ to determine solutions for conditions beyond the ...Wesbeam has a number of premier Laminated Veneer Lumber (LVL) products available in Australia. ... Span Tables; e-beam Characteristic Properties; e-house [beam] Software. Back to Previous Menu; ... e-beam is the premier laminated veneer lumber (LVL) product available in Australia. Floors; Roofs; Walls; Formwork; Internal;So to calculate the span of the LVL beam you have to multiply by 1.67 in the depth of the beam and the beam depth should be in inches. Generally, an LVL beam can span a maximum of 18 feet to 24 feet without any external support. LVL Beam span chart. Size in (inches) Size in (mm) Span in (ft) Span in (meter) 5-1/2. 140 mm.We would like to show you a description here but the site won’t allow us.25 Jul 2022 ... The LVL manufacturer should have span tables on their site or tech support who could answer the question. The lumber yard where you are ...Beam Span: B2 (ft) Table D, Girder Sizes Live Load, psf Beam Span, B2 (ft) 5. Table E to E45 Design Criteria - Dead Load includes system self weight (slab + steel) - Superimposed dead load = 25 psf (partitions + MEP) - Loads are uniformly distributed over bay area - 2 1/2 in. lightweight concrete topping

LVL User's Guide - Canada. US Users Guide - This guide contains load tables, design properties, connection details, bearing details and allowable holes for West Fraser 2.0e, 1.9e and 1.8e LVL. LVL User's Guide - US. Brochure - This 2-page brochure contains primary information about West Fraser's LVL product line. LVL Brochure - Canada & US.With a 19' span (and completely guessing on the roof span and live loading for your area) you're looking at at least a 2 ply 24" LVL or a steel beam that would be impossible to install at this point. The best solution to open this up is to run a 3 ply 11-7/8" LVL full length but with an intermediate support in the middle making two 9.5' spans ...Generally speaking, joists that are spaced out at 16” intervals on center are capable of spanning 1.5 times in feet the depth in inches. So, a 2 x 8 beam is able to span 12 feet without support. A 2×10 can span 15 feet, a 2×12 up to 18 feet, and so on. A good rule of thumb: the larger the deck, the larger the joists.63. 1134000000. 12502350. 5670000. 595350. The above table of LVL sizes offers a detailed beam sizes chart for engineers to easily scroll and find what they’re looking for. If you’re looking for a different section or shape try the search feature or one of the below resources: Free Steel Design Software.PWT Treated LVL joists, supported by PWT Treated LVL ledger or beams and columns, with proper connectors and fasteners. PWT Treated LVL ledger or beams and columns per local code requirements, with proper deck anchors/ties, connectors, and Deck joist span (varies) fasteners. Beam spans between supports (varies) 2' max. …BEAM is dedicated to breaking down barriers to mental health and wellness in communities of color. When I was growing up, nobody discussed mental health conditions and how they mig...

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Table 9.1 in Span Tables for Joists and Rafters (Figure 5) gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1.5 inches. (the tables permit a bearing length of up to 3.5 inches, but since 1.5 is probably the worst case that you’ll encounter for joist or rafter bearing, it’s a safe value.)LVL Span Tables. Downloads -Smart10 LVL Design Guide 2024: 8.19 MB: Download SmartLVL 12 Studs 2019 Edition 1: 1.36 MB: Download SmartLVL 12 Roof Batten 2019 Edition 1: 1.02 MB: Download SmartLVL 12 Framing VIC 2019 Edition 1: 1.24 MB: Download SmartLVL 12 Framing 2019 Edition 1: 1.31 MB: DownloadLearn how to design and install LVL beams and headers for different load-carrying applications. Find quick reference tables, code evaluation, warranty and software for easy, reliable design. Download the LVL 2.0E Product Specifications & Design Values guide.Conclusion. The distance an LVL beam can span depends on a plethora of factors. Some manufacturers limit their beams to 60’ due to transportation issues, while others have the capability to manufacture beams up to 80’ long. So, the longest unsupported span possible using LVL would be 80-feet.

This span table excerpt shows two possible sizes of built-up floor beams (2 X 10 and 2 X 12). The full table shows more lumber sizes. It also shows the maximum that the beam can span for various numbers of such pieces of lumber built together (this is indicated by 3-ply, 4-ply and 5-ply). A 3-ply with 2 X 10s would mean that three 2 X 10s are ... Description: Allowable design properties, design stresses, and connection details for deep depth beams. Document ID #: tb-500. File Type: pdf. File Size: 0.3 MB. File Date: December 2023. Document Types: Any, Technical Bulletins & Resource Sheets Categories. Engineered Lumber; Products. Microllam® LVL BeamsThe concept of a ridge beam span table lvl may seem complicated and intimidating at first, but it’s actually quite straightforward to understand. A ridge beam is a long piece of wood or metal that is used to support the roof of a building. The span is the measurement of the distance between the two endpoints of the beam, which must be ...Description: Allowable design properties, design stresses, and connection details for deep depth beams. Document ID #: tb-500. File Type: pdf. File Size: 0.3 MB. File Date: April 2024. Document Types: Any, Technical Bulletins & Resource Sheets Categories. Engineered Lumber; Products. Microllam® LVL Beams Find: A multiple 1¾" ply Versa-Lam. that is adequate to support the design loads and the member's proper connection schedule. 1.alculate the tributary width that beam is supporting: C. 4' / 2 + 18' / 2 = 16'1 2.se PLF tables on pages 3-5 of this guide or BC Calc U. to size beam. American Wood CouncilThe standard size for a garage door header dictates that it should be 9 inches longer than the width of the door. This allows ample space for proper support. As for the depth of the header, which is typically an LVL (Laminated Veneer Lumber) beam, it should be a minimum of 8 inches.E Beam Lvl Beams Wesbeam. Lvl Span Chart Pdf Form Fill Out And Sign Printable Template Signnow. How Far Can A Double 10 12 14 16 And 18 Lvl Beam Span All Civil Help. Kerto Lvl Span Tables For Predesign You. Manufacturer Of Quality Laminated Veneer Lumber Lvl Products Wesbeam.Welcome to our Free Beam Calculator! Our calculator generates the Reactions, Shear Force Diagrams (SFD), Bending Moment Diagrams (BMD), deflection, and stress of a cantilever beam or simply supported beam. SkyCiv Beam tool guides users along a professional beam calculation workflow, culminating in the ability to view and determine …

Features. LVL is stronger and more stable with a higher strength-to-weight ratio than conventional solid sawn lumber. Multiple pieces (typically used in pairs) can be fastened together to obtain greater thicknesses, resulting in greater strength to carry/support heavier loads. E Value (Modulus of Elasticity) = 1.9E or better.

An LVL beam span calculator is a tool used to estimate the maximum safe span (distance) that Laminated Veneer Lumber (LVL) beams or joists can cover while supporting a specified load. It’s essential to ensure that LVL beams are appropriately sized to prevent structural failures.An LVL beam span calculator is a tool used to estimate the maximum safe span (distance) that Laminated Veneer Lumber (LVL) beams or joists can cover while supporting a specified load. It’s essential to ensure that LVL beams are appropriately sized to prevent structural failures.BC Calc Benefits Summary: Easily size joists, beams, columns, studs, and tall walls. Includes BCI ® & AJS ® joists, Versa-Lam ® LVL, BOISE GLULAM ® beams, and dimension lumber. Collaborate with others and share files in the cloud or send links and project files via email. Customizable project information and user defaults.Total Roof Load (L): 10,000 pounds. LVL Beam Material: LVL 2.0E (Material Strength = 2000 psi) Using these values in the provided HTML code: Ridge beam size ≈ (5 * 10,000 * 20^2) / (8 * 2000) ≈ 125 inches. So, the recommended ridge beam size is approximately 125 inches for the given roof span, load, and LVL 2.0E material strength.24 Sept 2022 ... #LVL BEAM SPAN TABLE PROFESSIONAL#. Beam Size For Long Span On Pergola Contractor Talk Professional Construction And Remodeling Forum. LVL's ...SmartLVL is a structural Laminated Veneer Lumber (LVL) manufac- ... 1.2 Continuous spans For beams continuous over two unequal spans, the design ... The table values for nails may be doubled for ...R502.3.1 Sleeping areas and attic joists.. Table R502.3.1(1) shall be used to determine the maximum allowable span of floor joists that support sleeping areas and attics that are accessed by means of a fixed stairway in accordance with Section R311.7 provided that the design live load does not exceed 30 pounds per square foot (1.44 kPa) and the design …Beam Span Chart Table. The span of a beam is dependent on a few variables: The grade and species of lumber, size of lumber and the load it carries. Fewer posts on upper-level decks are typically more desirable to the occupants and this drives the use of larger framing materials for longer spans. Beam span maximums are based on a maximum ...This span table excerpt shows two possible sizes of built-up floor beams (2 X 10 and 2 X 12). The full table shows more lumber sizes. It also shows the maximum that the beam can span for various numbers of such pieces of lumber built together (this is indicated by 3-ply, 4-ply and 5-ply). A 3-ply with 2 X 10s would mean that three 2 X 10s are ...Table 9.1 in Span Tables for Joists and Rafters (Figure 5) gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1.5 inches. (the tables permit a bearing length of up to 3.5 inches, but since 1.5 is probably the worst case that you’ll encounter for joist or rafter bearing, it’s a safe value.)

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Beam Span Calculator. For help, simply click on the beside the section you need help with, watch this Tutorial Video. Overhang? MAKING YOUR MEMORIES. The Titan post anchor is the most advanced hidden wood post anchoring system of its kind. The anchor is hidden within the post unlike unsightly bulky exterior metal post brackets. The future is here.It's getting darker sooner, and that means more and more bicycle enthusiasts are spending their rides in little-to-no light. Try whipping up a pair of these hi-low beam headlights ...American Wood CouncilTable 9.1 in Span Tables for Joists and Rafters (Figure 5) gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1.5 inches. (the tables permit a bearing length of up to 3.5 inches, but since 1.5 is probably the worst case that you’ll encounter for joist or rafter bearing, it’s a safe value.)3100F b-2.0E ™1 ³⁄₄” WEST FRASER LVL ALLOWABLE DESIGN VALUES Design Property Depth DESIGN PROPERTIES 1. Lateral support of beam compression edge is required at intervals of 24” o/c or closer. 2. Lateral support of beam is required at bearing locations. 3. All 16”, 18” and 24” beam depths are to be used in multiple member units ...Find the appropriate size for Trus Joist TimberStrand LSL and Parallam PSL beams and headers based on the span, load, and design conditions. Use the calculators for U.S. applications only or switch to Canada Sizing Table Lookup for Canada.Versa-Lam LVL is a laminated veneer lumber product that offers better performance and longer spans than other wood products. Find product literature, design guides, and code reports for Versa-Lam LVL …Answer: An LVL beam calculator is a software tool or online platform that helps you determine the appropriate size of LVL (Laminated Veneer Lumber) beam for your construction project. It takes into account various factors such as load, span, deflection, and code requirements to provide accurate beam selection.Moreover, a double ply 14″ LVL beam can allow to span maximum distance of 23 feet, a double ply 16″ LVL beam can allow to span maximum distance of 26 feet. In addition, a double ply 18″ LVL beam can allow to span maximum distance of 30 feet. In general, the maximum span for a double 5 1/2″ LVL need to be 10 feet, while the the maximum ...In any construction project, it is crucial to ensure the structural integrity and safety of the building. This is particularly true when it comes to determining the appropriate bea...We would like to show you a description here but the site won’t allow us.21 Mar 2018 ... Area of floor above the beam: 14' x 11' = 154 sqft. Using standard load estimates from LVL span tables: 40 psf live, 15 psf dead = 55 lb/sqft. ….

2. Spans have been limited by the capacity of typical framing anchors at the stringer to header connection on page 4. Longer spans may be possible with other details. Contact your LP representative for additional information. 3. Design Values for LP® SolidStart® LSL and LVL are located in ICC-ES Report ESR-2403. 1-1/2" 1.55E LSL and 1-1/2" 1. ...CMU used a large flywheel to teach and off-the-shelf robot dog to perform the difficult task of walking a balance beam. While discussing humanoid robots not long ago, someone told ...TREATED PARALLAM PLUS PSL BENEFITS: Engineered lumber components for long-term durability and performance. Treated to the core, eliminating field treatment when cut or drilled. Protection against termite damage and fungal decay. The ideal structural solution for most exterior applications. SFI®-certified and NAHB-approved products that meet ...Moreover, a double ply 14″ LVL beam can allow to span maximum distance of 23 feet, a double ply 16″ LVL beam can allow to span maximum distance of 26 feet. In addition, a double ply 18″ LVL beam can allow to span maximum distance of 30 feet. In general, the maximum span for a double 5 1/2″ LVL need to be 10 feet, while the the maximum ...onCENTER SG Addendum – 40 PSF LL / 20 PSF DL Span Table; onCENTER SG Addendum – 2.1E LVL UDL Tables – All Depths; Glulam. AFP Power Preserved Glulam Brochure; AFP Power Beam 3000 Brochure; AFP Power Column Brochure; Other. LAMFLOOR® Wood Flooring Information Sheet; Warranty Information. onCENTER …Feb 14, 2019 - BCI®Joists are specially constructed I-joists with flanges made from strong VERSA-LAM® laminated veneer lumber with oriented strand board web and approved waterproof structural adhesives, providing outstanding strength and durability. Learn more about BCI® Joists and our sizing software BC Calc® or view the US East and US West span and size charts.It's getting darker sooner, and that means more and more bicycle enthusiasts are spending their rides in little-to-no light. Try whipping up a pair of these hi-low beam headlights ...Beaming Down Earth's Energy From Space. Keep reading to discover if we can bean down Earth's energy from space! Advertisement It's always sunny in low-Earth orbit, so what better p...SmartLVL is a structural Laminated Veneer Lumber (LVL) manufac- ... 1.2 Continuous spans For beams continuous over two unequal spans, the design ... The table values for nails may be doubled for ... Lvl beam span chart, Wood Beam Design and Installation Considerations. By Jerad Bankston, P.E. The successful design and installation of engineered wood beams such as Microllam® LVL, TimberStrand® LSL and Parallam® PSL goes beyond just looking up a member in a table. Knowing how the beam will be loaded (either side loaded or top loaded) and the overall ..., The distance an LVL beam can span depends on its width and depth. Laminated veneer lumber typically comes in 1-3/4”, 3-1/2”, 5-1/4”, and 7” widths or thicknesses, and depths of 5-1/2” to 24”, including standard and nonstandard depths. The lengths commonly range from 4’ to 48’, usually available in 4’ increments., e-beam is the premier laminated veneer lumber (LVL) product available in Australia. LVL has many advantages over traditional building products, including its uniformity of engineering properties, its high strength to weight ratio and its availability in longer lengths. Available in a range of thicknesses including 35mm, 45mm, 63mm and, 1) Table assumes that the column is braced at column ends only. Effective column length is equal to actual column length. 2) Allowable loads are based upon one-piece (solid) …, Laminated Veneer Lumber (LVL) is strong, stiff and versatile. It spans long distances. I was able to use LVL for every application in the case-house. Typically, LVL comes 1 ¾” thick and ranges in depth from 7 ¼” up to 18″. To fine-tune the load-carrying potential of a LVL beam, just add another ply to the side of a beam. Labor is a factor., The properties of the beam and section are specified by typing directly into the input fields. Length of Beam is the total including all spans of the beam, in mm or ft.. Young’s Modulus is set to a default value of 200,000 MPa or 29000 ksi for structural steel, but can be edited by the user.. Area of the Cross-Section is specific to the beam section selected, and is …, One of the new apps slated for release during this Friday's iPhone 2.0 launch is Friend Book, a "super Address Book" that promises to make dealing with your iPhone contacts much ea..., Sep 18, 2023 · An LVL span calculator is a tool used to determine the maximum allowable span or distance that Laminated Veneer Lumber (LVL) beams or joists can safely cover while supporting a load in a construction project. It helps ensure that the LVL components can support the intended loads without sagging or failing. , This span table excerpt shows two possible sizes of built-up floor beams (2 X 10 and 2 X 12). They can easily be built-up on site to reduce heavy. In addition, many residents prefer the fell of a deck that is designed for higher loads. Microllam LVL beams work well in applications all over the house. Building codes for residential decks only ..., The Southern Forest Products Association provides size selection tables for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications: Refer to SFPA’s publication Southern Pine Maximum Spans for Joists & Rafters (download in Publications ..., TaBle oF ConTenTS Some sizes may not be available in your region. ... laminated Veneer lumber (lVl) ... Microllam ® LVL 1.9E Beam 118,750 1.9 x 106 965,710 2,600 ..., BCI®Joists are specially constructed I-joists with flanges made from strong VERSA-LAM® lined veneer lumber with oriented strand board web and approved waterproof structural adhesives, making outstanding strength and durability. Learn more regarding BCI® Joists and our sizing software BC Calc® or view the US Ne and US West span and size charts., 9.23.4.2. Spans for joists, Rafters and Beams. (1) Except as required in Sentence (2) and Article 9.23.13.10., the spans for wood joists and rafters shall conform to the spans shown in Tables A-1 to A-7 for the uniform live loads shown in the Tables. (2) Spans for floor joists that are not selected from Tables A-1 and A-2 and that are required ..., ENGINEERED WOOD PRODUCTS (EWP) LVL SPAN PLUS SIZE CHARTS. VERSA-LAM ® laminated veneer construction (LVL) beams and headers eliminate twisting, shrinking and separation, plus deliver flatter, quieter floors and structures. Our VERSA-LAM ® LVL is manufactured in either Alexandria (Lena), Louisiana in Orient United States, either in …, Table of Contents. Production Procedure of LVL: Difference Between LVL and plywood: LVL Beam and Span Support: LVL Beam Sizes. Size Calculation – How to …, Instructions for Calculating Beam & Carried Spans. Refer to the above illustration to determine the beam / header needed for your application. Determine the beam / header span (length) and the span carried (supported) by the beam / header. Click on the appropriate beam, this will take you to the calculation table for your project., Backed by a product and performance warranty, RigidLam LVL provides a better alternative to traditional, solid sawn lumber. The product is stronger, stiffer, and a more predictable building material, and when compared with similarly sized sections, RigidLam can support heavier loads and allows for greater spans than conventional lumber., Beam Span Chart Table. The span of a beam is dependent on a few variables: The grade and species of lumber, size of lumber and the load it carries. Fewer posts on upper-level decks are typically more desirable to the occupants and this drives the use of larger framing materials for longer spans. Beam span maximums are based on a maximum ..., An LVL size calculator is a tool that helps you determine the appropriate dimensions (width and thickness) of a Laminated Veneer Lumber (LVL) beam for a specific construction or engineering project. It considers factors like the span length and the total load the beam needs to support., Murphy Company LVL Design Guide - PG. 3 Notes 1. Table indicates the number of 13/ 4" wide LVL plies to be used for the given application. 2. Span is based on the more restrictive of simple continuous beam span. Ratio of short span to long span should be greater than 0.4. 3. Beam must be centered in building if floor joists are continuous over ..., Find span charts for BCI Joists and Versa-Lam LVL, engineered wood products by Boise Cascade, for different regions and applications. Download install and specifier guides, or …, LVL beam cost. On average, cost/ price of Laminated veneer lumber or LVL beams (Engineered) is around $3 to $12 per linear foot for materials or between $50 to $200 per foot for installation or total cost of installed would be around $800 to $2,500. Cost of 24-ft LVL beam would be $72 to $288. , LVL User's Guide - Canada. US Users Guide - This guide contains load tables, design properties, connection details, bearing details and allowable holes for West Fraser 2.0e, 1.9e and 1.8e LVL. LVL User's Guide - US. Brochure - This 2-page brochure contains primary information about West Fraser's LVL product line. LVL Brochure - Canada & US., Murphy Company LVL Design Guide - PG. 3 Notes 1. Table indicates the number of 13/ 4" wide LVL plies to be used for the given application. 2. Span is based on the more restrictive of simple continuous beam span. Ratio of short span to long span should be greater than 0.4. 3. Beam must be centered in building if floor joists are continuous over ..., When it comes to designing and constructing a building or structure, one of the key considerations is ensuring that the beams used can support the weight and load requirements. Bef..., LVL User's Guide - Canada. US Users Guide - This guide contains load tables, design properties, connection details, bearing details and allowable holes for West Fraser 2.0e, 1.9e and 1.8e LVL. LVL User's Guide - US. Brochure - This 2-page brochure contains primary information about West Fraser's LVL product line. LVL Brochure - Canada & US., LVL User's Guide - Canada. US Users Guide - This guide contains load tables, design properties, connection details, bearing details and allowable holes for West Fraser 2.0e, 1.9e and 1.8e LVL. LVL User's Guide - US. Brochure - This 2-page brochure contains primary information about West Fraser's LVL product line. LVL Brochure - Canada & US., Span Calculator for Wood Joists and Rafters available for the iPhone and iPad. Simple clicks on the drop down boxes will allow variable inputs to calculate a span. Changing member types automatically sets new defaults to the most common deflection limits, member spacing, and loading conditions. Clicking on the Grade/Span Comparison calculator ... , Use design loads of 20 LL and 10 DL for an unfinished attic area with limited access. Specify 16" on-center joist spacing to match the roof rafter spacing, and refer to the Ceiling Joists table on page 3. A 1⁄2" x 71⁄4" 1.5E TimberStrand® LSL ceiling joist can span 15'-7", which is adequate for areas C and E ., LVL beam cost. On average, cost/ price of Laminated veneer lumber or LVL beams (Engineered) is around $3 to $12 per linear foot for materials or between $50 to $200 per foot for installation or total cost of installed would be around $800 to $2,500. Cost of 24-ft LVL beam would be $72 to $288., What size lvl beam do i need to span 12 feet. Width of lvl beam:- design a beam width based on the fact that the typical width of an LVL beam is 1 3/4 inches. The width can be increased by laminating in multiples of 1 3/4 inches or 40mm. Beam width should be 1/4 to 1/3 beam depth. Depth of lvl beam:- LVL beam depth are typically 5 1/2 inches ..., If implemented, the project could extend online connectivity to thousands of people across Kenya. Google is in talks with telecom operators in Kenya to bring balloon-powered intern..., This span table excerpt shows two possible sizes of built-up floor beams (2 X 10 and 2 X 12). The full table shows more lumber sizes. It also shows the maximum that the beam can span for various numbers of such pieces of lumber built together (this is indicated by 3-ply, 4-ply and 5-ply). A 3-ply with 2 X 10s would mean that three 2 X 10s are ...