Door Header Size Calculatorhtml Click on this link for more information about home framing, engineering and building. What is the rough opening for a 10 foot wide garage door?. The same 2 x 12 header can only span 9' if you are supporting a second floor, plus ceiling and roof. If you size a roof beam like a structural ridge that has a L/240 limitation, you would multiply the minimum E-value by 0. Foot/Inch to Decimal Format Conversion. 10 foot garage door header size:- as per general thumb rule and guidelines, for a 10 foot garage door, header should be double- 2×10 in size, in which 10 inches deep and 4 inches width, thus you will need something like double- 2×10 or 4×10 lumber header for a 10 foot garage door. For wider window spans of 4 feet, 6 inches or less, increase the side of the window header to two two-by-sixes. Add the height of the new jamb plus ½inch and cut two new. 5 inch trimmer studs (see the Typical Wall Section diagram). Find the clear opening that equals or exceeds the intended application. Between 4 and 5 feet, the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2-by-12. This door header sizes calculator can help you determine the exact size of wood beams to use as a header for your door (or windows – the same regulations. It went like this: Measure the span in feet and add 2 to that number. A neat solution, but is this an efficient and cost effective use of material?. For header spans see Tables R502. Add the length of the wall in feet using decimal format. Instructions for Calculating Beam & Carried Spans Refer to the above illustration to determine the beam / header needed for your application. Fv does not change when you double the thickness. Window, Door & Garage Door Headers – Supporting Roof Loads Only Header size is based on the load transferred from 1/2 the span of the supported roof framing, plus a 24" overhang. Between 4 and 5 feet, the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2-by-12. Th e minimum length of a braced wall panel is typi-cally 4 feet, but the code off ers a number of alternatives to reduce this length by increasing the strength of the panel through specifi c material, connection, and anchorage details (Figures 6-22, 6-23, and 6-24). For wider window spans of 4 feet, 6 inches or less, increase the side of the window header to two two-by-sixes. The size of the header you will need for a 20 foot span will depend on a number of factors such as the type of material the header is, the load that the header will be supporting, and the span of the header. 75×14 in size, in which 14 inches deep and 5. This door header sizes calculator can help you determine the exact size of wood beams to use as a header for your door (or windows – the same regulations apply). After a header is properly installed in a 2x4 framed wall, the back. For Canada switch to Canada Sizing Table Lookup. Refer to the above illustration to determine the beam / header needed for your application. Glulam is available in both custom and stock sizes. Use the drop downs to select your roof load, floor load, house width, and material to calculate the appropriate size of TimberStrand or Parallam header. Works with evenly distributed loads only. Design Properties 4–5 Sizing Tables Window and Door Headers 6–7 Headers Supporting Roof 8–9 10–11 Headers Supporting Floor and Roof 12–13 Floor Beams 14–15 Floor load Tables TimberStrand®LSL 16–17 Microllam®LVL 18–19 Parallam®PSL 20–21 Snow Roof load Tables TimberStrand®LSL 22–23 Microllam®LVL 24–25 Parallam®PSL 26–27 Non-Snow Roof Load Tables …. Select product size for the appropriate grade, clear opening and span of supported roof framing. A large number of windows fall in the 45- to 50-inch range, so this window span is also used quite often. Header size is based on the load transferred from 1/2 the span of the supported roof framing plus a 24" overhang, plus 1/4 the span of the floor framing, plus the wall load. Limit framing to a maximum of one pair of king studs per window opening. If the opening will be 5 to 6 feet wide, such as for double doors, then you will need two 2-by-10 headers. Measure the width of your door frame. It is simple to use, yet flexible enough to analyze a variety of. Most builders automatically choose double -2 x 8 or -2 x 10 headers to frame windows and doors in every house they build. Determine the Length of the Header Using a 3-0 door (3' 0" wide) as an example, you can determine the length of the header by adding 1 inch (the combined spacing of both sides of the door jams), plus 3 more inches. New construction frequently offers 9×7 garage doors opening. Therefore, for a span upto 8 foot, you needed 4×8 size header. These headers work to support most residential loads and coincidentally keep the window tops to a uniform height. On a simply-supported beam, the support reactions at each end of the beam can either be equal to each other or of different values. Their values depend on the beam's applied loads. Wood Beam Calculator | What size do I need? Calculate the size needed for a beam, girder, or header made from No. Header size required to support the roof, ceiling and one center bearing floor of a 28-ft. So, the header is constructed of two 2x6's with a 1/2" osb or plywood spacer. A common width of glulam garage door headers is 3. The following table can be used to determine the maximum allowable length for a given header size. , so the header span difference is 6 in. (Based on the 2000 International Building Code) Calculating header size is. Determine the beam / header span (length) and the span carried (supported) by the beam / header. How to calculate door header size? To calculate a door header size, first, determine the maximum span of the door. into the header) that equals or exceeds the intended application. As per general rules and guidelines, nominal size of a 4×8 header can span upto 8 feet. This is also the top of the jack studs. What size header for 7 foot span. Beam Legends; Custom Products; PFS Fastening Systems View Portfolio. You don't need a header, except to provide a "space" for your new overhead door to roll-up into. How to calculate door header size? To calculate a door header size, first, determine the maximum span of the door. 82-1/2 inches also happens to be the standard “header height” for windows and doors. With the header installed directly below the double 2x4 top plate on an 8-foot-high wall, the bottom of the header put the finished window head jamb at about 6 feet 10 inches off the finished floor. Header size is based on the load transferred from 1/2 the span of the supported roof framing, plus a 24" overhang. Size of headers over all doors and window openings. Covers any span and every load with pin. There are three simple rules to framing rough openings efficiently: Minimize layout. Typical stock beam widths used in residential construction include: 3-1/8, 3-1/2, 5-1/8, 5-1/2, and 6-3/4 inches. If you are putting in an opening between 4 and 5 feet wide, then you'll need two 2-by-8 headers. In this example, the door is 8 feet across. The width or span of the opening will determine the size of the header needed. For example, if the span is 4 feet, add 2 to 4 for a sum of 6. SouthernPineheaderS& BeamS 2013 Edition Southern Forest Products Association SouthernPine. These headers work to support most residential loads. If you are creating an opening no wider than 4 feet, for a door or smaller window, then you need a 2-by-6 header. Most builders automatically choose double -2 x 8 or -2 x 10 headers to frame windows and doors in every house they build. Better Header® Beam Legends USED FOR HEADER TABLE BEAM SELECTION & IDENTIFICATION. The following table can be used to determine the maximum allowable length for a given header size. The header itself should be nine inches longer than the door. 10 foot garage door header size:- as per general thumb rule and guidelines, for a 10 foot garage door, header should be double- 2×10 in size, in which 10 inches deep and 4 inches width, thus you will need something like double- 2×10 or 4×10 lumber header for a 10 foot garage door. He insists that we need big headers on this because the depth of headers must be about 1. A 12×12 column could support 6,000 square feet. In this example, the door is 8 feet across. Learn more about door header sizes by checking out our door header size calculator. The old rule of thumb is 1" height of header for every foot of width. Residential Header Girder Span Requirements Per Minnesota State Residential Code, Chapter 1309 The following is a guide, intended to provide maximum spans that the residential code allows for Douglas fir- larch, southern pine and spruce-pine-fir. (door is actually 12’2″ wide). Same openings—different treatments. Install one new one for every 3 feet or less of opening. Thus, the header will need to be 1. Calculating header size is complex as depending on many factors such as:- the length of the window or door opening, the combined weight of the floors, walls and roofs above, the building width, the snow load in the area, whether it’s a bearing wall where joists, trusses and rafters rest or a non-bearing wall to which joists, trusses and rafters …. Construct framed walls using advanced framing details like minimal framing at windows and doors to reduce thermal bridging and allow more space for insulation. To determine the size of the column, find the area of the flooring and subdivide the distance between the adjacent columns and main columns. Sample floor plan Dimension Show overhead door size Show header size provide scale mein Dimension Alley Dimension Proposedgarage Existing home Driveway Center line of street Curb cut o section Size and spacing of rafters and ceiling joist (or provide truss detail sheet) provide scale. When in doubt, use 2-by-12-inch headers. The header is the horizontal structural member that sits on top of the door opening and supports the weight of the structure above the door. Headers & Beams : Size Selection Tables Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications: Window, Door & Garage Door Headers – Supporting Roof Loads Only. The width or span of the opening will determine the size of the header needed. For header spans see Tables R502. SOUTHERN PINE Size Selection Tables 8Copyright © 2013. Note: a single 2×6 will support 347 pounds per lineal foot of beam. Do we need such big headers?. (Based on the 2000 International Building Code) Calculating header size is complicated as you learn how to frame a window. Wood Beam Calculator | What size do I need? Calculate the size needed for a beam, girder, or header made from No. Most builders automatically choose double -2 x 8 or -2 x 10 headers to frame windows and doors in every house they build. Measure the width of your door frame. What size LVL header size for 8 foot span. If you’re a novice framer then this is the height of the BOTTOM of the window and door headers. Header Supporting Floor and Roof Calculator Use the drop downs to select your roof load, floor load, house width, and material to calculate the appropriate size of TimberStrand. This door header sizes calculator can help you determine the exact size of wood beams to use as a header for your door (or windows – the same regulations apply). as the distance between the king studs. The load that you need to resist is the horizontal force on the "wall" above the new door. 25 inches width, thus you will need something like triple- 1. The sum will be the height of your double header in inches. How To Use Building Code Span Charts To Calculate Structural Door And Window Header Sizes gregvancom 162K subscribers Subscribe 15K views 1 year ago Structural Wall Framing Videos. The header is the horizontal structural member that sits on top of the door opening and supports the weight of the structure above the door. 25 ×14 lvl header for a 20 foot garage door. At a minimum, you should aim for a header that is at least 4 inches wide, with a maximum depth of 12 inches. Notes for Tables 1 - 6: Window, Door & Garage Door Headers – Supporting Roof Loads Only. The standard garage door width and height can vary by where you live, but is usually it is 8 feet wide by 7 feet tall, or 9 feet wide by 7 feet tall for a single car garage door and 16 feet by 7 feet for a double garage door. Learn more about door header sizes by checking out our door header size calculator. Understanding Loads on Beams There are two different types of loads. This video will provide you with a general rule of thumb for most window and door header sizes, but will not work all the time. The total span between members should not be greater than 60 feet. Headers & Beams : Size Selection Tables Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications: Window, Door & Garage Door Headers – Supporting Roof Loads Only. Therefore, double 2×10 size header is needed for a 6 foot span or opening. Between 4 and 5 feet, the header should be built 2 inches wide and 8 inches long while a larger opening. http://www. This wood beam span calculator will focus on the first three parameters we typically test when designing a wood beam. Headers & Beams : Size Selection Tables Tables providing size selections for. Most door frames that are 4 feet wide or less require a 2-by-6 header. A door header size calculator is a tool used to determine the size of the header required for a door opening based on the width and height of the opening, and the type of load the header will be supporting. The total span between members should not be greater than 60 feet. To find the difference per foot, divide 6 in. Measure from the top of the header to the bottom of the top plate, and cut the cripple studs to this length. For example, if the span is 4 feet, add. The header itself should be nine inches longer than the door. There is one thing however that you did not mention, that they will require. The header is the horizontal structural member that sits on top of the door opening and supports the weight of the structure above the door. Using a 3-0 door (3' 0" wide) as an example, you can determine the length of the header by adding 1 inch (the combined spacing of both sides of the door jams), plus 3 more inches. The size of the header you will need for a 20 foot span will depend on a number of factors such as the type of material the header is, the load that the header will be supporting, and the span of the header. So if you're on the top floor, you can use 2 2x4's (unless the building is 36' wide, in which case you'll need 2 2x6's). width from the table, calculate the following: 0. In this calculator, you'll learn info: Wherewith to properly size door frame headers; How to use the side header size chart; and; How to use this opening header size calculator. Measure the width of your door frame. On a simply-supported beam, the support reactions at each end of the beam. Calculating header size is complex as depending on many factors such as:- the length of the window or door opening, the combined weight of the floors, walls and roofs above, the building width, the snow load in the area, whether it’s a load bearing wall where joists, trusses and rafters rest or a non-bearing wall to which joists, trusses and …. You don't need a header, except to provide a "space" for your new overhead door to roll-up into. How to calculate door header size? To calculate a door header size, first, determine the maximum span of the door. This video will provide you with a general rule of thumb for most window and door header sizes, but will not work all the time. 5 times the length, just converting to inches instead of feet–so a four foot header should be 6″ deep. Recommended Distance from door top edge to header bottom(6") Final Door Height = Distance from Floor to Header bottom - 6" - 1/4" In other words, if the header is already part of the structure and cannot be changed, then your door height has to be derived from the existing conditions. Custom lumber and beam manufacturers will make these matrices available. Header size for single car garage door The standard single-car garage door is 8 to 9 feet wide and 7 to 8 feet high for most home. A door header size calculator is a tool used to determine the size of the header required for a door opening based on the width and height of the opening, and the type of load the header will be supporting. in a 2 x 4 wall, you can do a double header construction with a 5/8" ply liner between them as a spacer. Use two nails on each end and at splices. It went like this: Measure the span in feet and add 2 to that number. Find the beam dimensions that meet or exceed the strength of the load you need to support. As per general rules and guidelines, generally you need double 2×10 size of header and two trimmer for 6 foot span or opening which can safely transfer it to the trimmers down to the floors and foundations below. Header Span Table In the top picture above, the door opening is 5'. We have all different size wood and steel sandwich plate beams for all you indoor and outdoor housing projects. Enter the stud spacing required in inches. Double check yourself with these span charts. How far can a 4×10 header span. Wall height in feet using decimal format. Header Supporting Floor and Roof Calculator Use the drop downs to select your roof load, floor load, house width, and material to calculate the appropriate size of TimberStrand or Parallam header. Refer to the above illustration to determine the beam / header needed for your application. These are the two most common, and unless you have some real funny type zoning, these are usually accepted by code. Calculator is for use in U. I was hoping to get some advice on header size; as, I am unsure how to interpret LVL tables. Laminated Beam Size Calculator - The Best Picture Of Beam Laminated Beam Size Calculator Posted on April 30, 2020 by Sandra Floor beam span tables calculator lvl headers beam design powerpoint ation rigidlam lvl roseburg wood beam design and installation U S Sizing Table Lookup Weyerhaeuser. You can use 2 - 2 x 12 glue lams nailed together, or 2 - 2 x 12's sandwiched with a 1/2" osb nailed together. Determine the Length of the Header. A large number of windows fall in the 45- to 50-inch. Share Improve this answer Follow. Usually when determining the size of a header for garage door I typically only consider the gravity live and dead loads acting on the beam about its strong axis and then plug them into the beam calculator here: Medeek Beam Calculator. These three header components when assembled and nailed together, will be exactly 3. Covers any span and every load with pin point accuracy. How to calculate door header size? To calculate a door header size, first, determine the maximum span of the door. At 28 ft. You should contact a struc Window Framing - Structural. To determine the size of the column, find the area of the flooring and subdivide the distance between the adjacent columns and main columns. This wood beam span calculator will focus on the first three parameters we typically test when designing a wood beam. Most door frames that are 4 feet wide or less require a 2-by-6 header. Limit framing to a maximum of one pair of jack studs per window opening to support the header and window sill. Notes for Tables 7 - 12: Window, Door & Garage Door Headers – Supporting Roof, Wall & Floor Loads • Tables 7-12 apply to headers carrying only uniformly distributed roof, wall and floor loads. There are three simple rules to framing rough openings efficiently: Minimize layout marks; maintain a simple, consistent nailing pattern; and avoid toenailing when possible. Stagger the rest of the nails 32″ o. Header Supporting Floor and Roof Calculator. I argued that that might be true for the side walls because the roof trusses are bearing on them, but not on the gable end. I'd use a double 2x6 laid flat at the head of the opening. (The door is not supported by the "header" either. Step 2 Look at a beam matrix, if you have engineering calculations indicating how much strength you need for a specific header. Door widths vary, but an easy way to size the rough opening is to use the door width plus 5 in. SOUTHERN PINE Size Selection Tables 8Copyright © 2013. Headers & Beams : Size Selection Tables Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications: Window, Door & Garage Door Headers - Supporting Roof Loads Only. Click on the appropriate beam, this will take you to the calculation table for your project. I am framing a non-loadbearing gable end wall with a rough opening for a 12’x12′ commercial insulated garage door. Header Spans for Exterior Walls on Buildings 20′ Wide Header Spans for Exterior Walls on Buildings 28′ Wide Header Spans for Exterior Walls. Header size required to support the roof, ceiling and one center bearing floor of a 28-ft. This door header sizes calculator can help you determine the exact size of wood beams to use as a header for your door (or windows - the same regulations apply). Window Span: 5 feet, 9 Inches For even wider window spans of 5 feet, 9 inches or less, use two two-by-eight pieces of lumber. Next Page » Pages: 1 2 More on Framing ZIP System Sheathing. As per general thumb rule and guidelines for a 8 foot span, size of LVL header or GLULAM should be 9 to 10 inches deep and 3. This models the header as a beam with uniform loading, with the same per-foot loading for both header2. In this example, the door is 8 feet across. Laminated Beam Size Calculator - The Best Picture Of Beam Laminated Beam Size Calculator Posted on April 30, 2020 by Sandra Glulam beam advanes lications features structural ridge beam. So - for a 8' span with 2x4 framing a 4x8 header is minimum but my experience is a 4x10 with a nominal dimension of 3. 24 is the smallest size header I would use. If you have a floor above, you'll need 2 2x6's (unless the building is 36' wide, in which case you'll need 2 2x8's). For an opening 6 to 7 feet wide, you will need two 2-by-12 headers. Most door frames that are 4 feet wide or less require a 2-by-6 header. For wider window spans of 4 feet, 6 inches or less, increase the side of the window header to two two-by-sixes. Design Properties 4–5 Sizing Tables Window and Door Headers 6–7 Headers Supporting Roof 8–9 10–11 Headers Supporting Floor and Roof 12–13 Floor Beams 14–15 Floor load Tables TimberStrand®LSL 16–17 Microllam®LVL 18–19 Parallam®PSL 20–21 Snow Roof load Tables TimberStrand®LSL 22–23 Microllam®LVL 24–25 Parallam®PSL 26–27 Non-Snow Roof Load Tables …. With the header installed directly below the double 2x4 top plate on an 8-foot-high wall, the bottom of the header put the finished window head jamb at about 6 feet 10 inches off the finished floor. Measure the width of your door frame. In general, you will need a 2×8 or 2×10 header for a 16 foot span on a non load bearing wall. Header size is based on the load transferred from 1/2 the span of the supported roof framing plus a 24" overhang, plus 1/4 the span of the floor framing, plus the wall load. standard 2×4 and 2×6 wall construction, so there’s no need for furring when you connect headers to end walls. I happen to have 2ea 1-3/4″ x 11-7/8″ LVL beams and was hoping to utilize them. Calculating header beam size requires sizing the beam based on the dimension of the opening and information from the applicable building codes. For example a header that is 3 1/2 inches and very deep, might support an equivalent load as a header that is 5 1/2 inches wide, but not quite as deep as the 3 1/2 inch header. choose the row for the size of lumber used in the double header: use 2×6 in this example. A door header size calculator is a tool used to determine the size of the header required for a door opening based on the width and height of the opening, and the type of load the header will be supporting. • Header size is based on the load transferred from 1/2 the span of the supported roof framing plus a 24" overhang, plus 1/4 the span of the. When in doubt, use 2-by-12-inch headers. Then, reference the table above to determine the correct header size. For this example, that would be a 4×8 header. This width is the same width as a typical 2x4 framed wall. , so the header span difference is 6 in. The size of the header will vary depending on the size of the new window or door opening. 5 inches wide, thus you need something like 2- 1. If the wall is load bearing, you will need to use a larger header, such as a 2×12 or 4×4. For this example, that would be a 4×8 header. Door widths vary, but an easy way to size the rough opening is to use the door width plus 5 in. A door header size calculator is a tool used to determine the size of the header required for a door opening based on the width and height of the opening, and the type of load the header will be supporting. Choose the dimension that best fits your design -- whether you're building from custom calculations or a standard framing matrix. SouthernPineheaderS& BeamS 2013 Edition. The size of the header you will need for a 20 foot span will depend on a number of factors such as the type of material the header is, the load that the header will be supporting, and the span of the header. Determine the Length of the Header Using a 3-0 door (3' 0" wide) as an example, you can determine the length of the header by adding 1 inch (the combined spacing of both sides of the door jams), plus 3 more inches. 4×8 size header is needed for a 8 foot span or opening. 25 stronger than the one for a 12' opening. At a minimum, you should aim for a header that is at least 4 inches wide, with a maximum depth of 12 inches. The standard garage door width and height can vary by where you live, but is usually it is 8 feet wide by 7 feet tall, or 9 feet wide by 7 feet tall for a single car garage door and 16 feet by 7 feet for a double garage door. given this, the fact that you are increasing the span from 20" to 36", then the span will be almost twice. Window, Door & Garage Door Headers – Supporting Roof Loads Only Header size is based on the load transferred from 1/2 the span of the supported roof framing, plus a 24" overhang. Wood Beam Calculator | What size do I need? Calculate the size needed for a beam, girder, or header made from No. We DO NOT tell them what size is. Wood Beam Calculator | What size do I need? Calculate the size needed for a beam, girder, or header made from No. Calculating header size is complex as depending on many factors such as:- the length of the window or door opening, the combined weight of the floors, walls and roofs above, the building width, the snow load in the area, whether it’s a bearing wall where joists, trusses and rafters rest or a non-bearing wall to which joists, trusses and rafters …. Learn more about door header sizes by checking out our door header size calculator. If you don’t, take the actual door size you will be installing and add 2 inches to the width and two and one-half inches to the height, This will give you the correct rough openings. Southern Forest Products Association. On a simply-supported beam, the support reactions at each end of the beam can either be equal to each other or of. Construct framed walls using advanced framing details like minimal framing at windows and doors to reduce thermal bridging and allow more space for insulation. As per general thumb rule and guidelines, for a 20 foot garage door, header made of lvl should be 3-1. A header is to hold something "up". The sum will be the height of your double header in inches. For header spans see Tables R502. Therefore, the header would need to be made from doubled 2x6s. Determine the beam / header span (length) and the span carried (supported) by the beam / header. The extra 3" is because the header will rest on the top of the two 1. Which means the jack studs are 81 inches long (typically). Download BC Calc BC Calc ® performs engineering analysis to help our customers size beams, joists, columns, studs and tall walls for their building projects. Stock beams are manufactured in commonly used dimensions and cut to length when the beam is ordered from a distributor or dealer. Glulam is available in both custom and stock sizes. Add the number of corners and partitions as required. These parameters are the beam's allowable deflection, bending stress, and shear stress. The chart below shows common header sizes for different openings. I have a 22 ft load bearing wall with a 18′ 3″ header constructed out of 2 2x12s with 1/2 inch plywood sandwiched between for a double car. 25″ (2- 1 3/4″× 9 1/4″) GLULAM or LVL header to span upto 8 feet. Space Columns Evenly and Anchor Ensure you have evenly spaced your columns and have anchored them securely into your foundation. Size of headers over all doors and window openings. Learn more about door header sizes by checking out our door header size calculator. For instance, a double 2 x 12 header can be spanned 12' if you are supporting the ceiling and roof of a single story house. This is non-bearing, so you could use studs to create the space down from the roof (or ceiling) for the roll-up door to roll-up into. Because of transport limitations, the maximum standard length for manufactured beams is sixty feet. For example, with openings up to 3 feet wide, 2x4's may be used to build the header; for openings up to 5 feet, 2x6's should be used; over 5 feet, use 2x8's. If you are putting in an opening between 4 and 5 feet wide, then you'll need two 2-by-8 headers. Having a column that is 8×8 would be able to support 3,000 square feet. The old rule of thumb is 1" height of header for every foot of width. Then, reference the table above to determine the correct header size. If you are putting in an opening between 4 and 5 feet wide, then. SOUTHERN PINE Size Selection Tables 12Copyright © 2013. This is non-bearing, so you could use studs to create the space down from the roof (or ceiling) for the roll-up door to roll-up into. Thus, 8 feet is maximum allowable span for 4×8 size header. The size of header you use will also. With an 8 foot span you should use double studs (jack studs) on each side to support it. Door widths vary, but an easy way to size the rough opening is to use the door width plus 5 in. Make sure the shear value (Fv) for the species and grade you use exceeds the Fv listed in the span table. width from the table, calculate the following: 0.