Window header span table TECHNICAL DIAGRAM ON PAGE 35 – 30mm M AXIMUM ALLOW ABLE SP ANS (mm) Sheet Roof Spacing (mm) Rafter Size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050 1000 900 850 138 x 30 1700 1550 1400 1300 1200 185 x 30 2000 1750 1600 1550 1400 230 x 30 2000 1800 1. 7(2) Girder and Header Spans Girder and header spans are updated assuming No. that are installed using cold-formed steel . VERSA-LAM ® laminated veneer lumber (LVL) beams and headers eliminate twisting, shrinking and splitting, and deliver flatter, quieter floors and structures. 5(1) and R502. Spans listed are based on unpunched members. -A Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (1-10M Bottom Bar) Forming Part ofSentences9. Span tables for visual and mechanical grades of southern pine lumber joists and rafters, and southern pine lumber and glue-laminated timber (glulam) headers, beams and girders. 10. ### Species Included: - **Douglas Fir** - **Douglas Fir (South)** - **Douglas Fir (North)** These tables will help you meet building codes and enhance material Where the top of the header or girder is not laterally braced (for example, cripple studs bearing on the header), tabulated spans for headers consisting of 2 × 8, 2 × 10, or 2 × 12 sizes shall be multiplied by 0. 25-B, the allowable roof/ceiling span for a 28-foot wide house in zone 2, using two 2 x 8 header members with a 1400 psi bending stress, is 5 feet × For other species with different fiber bending stresses, multiply the span by the square root of the ratio of the actual bending stress to 1,000 psi. 9E-2850Fb User guide GLOBAL LVL HEADERS, BEAMS AND COLUMNS lvlglobal. 23. In this v How far can a double 2×10, 2×6, 2×8, 2×12, 2×4 header span. The column on the left of each chart labeled BEAM SPAN represents the beam length (with bearing) required for your project. h. applications only. CRIPPLE STUD CRIPPLE STUD TRACK PIECE @ OPEN SIDE JAMB SILL TYPICAL BASE ANCHORAGE INFILL STUD ADDITIONAL ANCHORAGE In residential construction, the strength of glulam allows for long spans without intermediate supports in garage door headers, floor beams, and ridge beams. Assumed composite action with a single layer of 24" on-center span-rated, glue-nailed floor panels for deflection only. Th e prescriptive tables for fl oor girders and beams also provide the span and bearing support requirements for headers. Most beam tables only list May 5, 2023 · The goal is to double the size of the window opening in a load-bearing, exterior, top-floor wall (only the 8:12 pitch roof above). 9 m, and (d) where the spans of trusses do not exceed 9. 5(1) and 5502. How big should a header be? The width or span of the opening will determine the size of the header needed. tj-9001 - Installation Guide for Floor and Roof Framing with TJI 110, 210, 230, 360 and 560 Joists; csg-tjus22 - Simpson Connector Guide for Trus Joist Products (U. Using our door header size calculator is like going through the door header size chart, but you can switch to any unit of measurement anytime you want. Double header or trimmer joists 76 300 mm o. Includes span tables for all load bearing locations and the number of jack studs. Based on my current understanding of the header span tables which I have shared below, I believe I can safely use 2 2x8 headers to support a 72" span even though the table below only shows a 71" span. Here is a checklist of steps to follow when using span tables. Continuous span values given in the tables should only be used where: a) The beam is not notched or partially cut through at internal support points and, b) If the spans are not equal, the largest span is not greater that twice the smallest adjacent span. Precast Concrete Products 0515-1016 - Cast-Crete header schedule – 2018 international residential code . . Wood structural panels with span ratings of Wall-16 or Wall-24 shall be permitted as an alternate to panels with a 24/0 span rating. e. 126 Andy French, Plumbing Inspector, Ext. 123 James Cerone, Local Building Inspector, Ext. Oct 7, 2023 · What is a Window Header Calculator? A Window Header Calculator is a tool used to calculate the size (dimension) of a header beam or lintel required to support the load above a window opening. Jamb Design Table Notes [See 2009 IRC Tables R502. On longer spans the beam may require much more bearing space as indicated by this table. Table R602. May 18, 2016 · According to the 2012 IRC codes any beam, joist, or header shall never have a bearing of less than 1 1/2″. Header Standard. 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 . Our manufacturing process minimizes many of the natural inconsistencies found in wood. 25x7. door & window header applications. longer joists, larger load - red in picture)? Or is it the length of the wall the window/door is installed in (green in picture)? I believe it's the first one. Select the application below you are looking to calculate. These can be built onsite, or pre-fabricated insulated headers can be purchased. 2 Grade Single Header) in the 2012 IRC can be used to size floor-system-integrated headers. The number of full-height studs at each end shall be not less than the number of studs displaced by half of the header span based Moreover, the size of the header for a 6-foot span is typically almost 2-2×8, while the size of the header for an 8-foot span is typically almost 2-2×12. C-shape. The Design Roof Snow Load has been derived by reducing the Ground Snow Load listed in each table heading in accordance with ENGINEERED WOOD Save time and money with better support Fast technical support a 1800 808 131 PRODUCTS FREE designlT site Available from: Technical Support Division B:Acceptable Solutions Span Tables British Columbia Building Code 2018 Division B Span Tables Table9. 14. For header spans see 780 CMR Tables 5502. Wood Header Span Table Author: Inspections and Permits Subject: Wood Header Span Table Keywords: Wood Header Span Table Created Date: 11/7/2007 10:35:37 AM Mar 9, 2018 · Created Date: 3/21/2018 3:39:37 PM Standard Framing Details. 8 m. I have set up my header span table as shown where I have the LSL width shown as 3-1/2 and it is a 1 ply (similar table created for a 5-1/2 LSL). 3. 25—B, the allowable roof/ceiling span for a 28—foot wide house in zone 2, using two 2 x 8 header members with a 1400 psi bending stress, is 5 feet × = 5. docx Page 2 of 4 GIRDERS AND HEADERS SUPPORTING: 12 24 36 Number of SIZE SPAN (feet and inches) Jack Studs SPAN (feet and inches) Studs SPAN (feet and inches) Studs Roof, ceiling and one clear span floor As per general rules and guidelines, generally you need double 2×4 size of header and one trimmer for 3 foot span or opening, double 2×6 & two trimmer for 4 foot, double 2×8 for 5 foot, double 2×10 for 6 foot & double 2×12 for 7 foot span which can safely transfer it to the trimmers down to the floors and foundations below 5602. 7(2) Tables R602. The window header will need to go from a 5' span to a 10' span as seen here: This is what I know of the overall house structure: (The window faces ENE) This is an inside view of the project: For other species with different fiber bending stresses, multiply the span by the square root of the ratio of the actual bending stress to 1,000 psi. per foot on the header. For odd numbers, round up. • Three-stud corners • Double top plates • Double 2x8 headers on most openings with jack A1. – Clear distance between supports – Minimum bearing length of 1¾" end (no web stiffeners) and 3½" intermediate. It ensures that the window frame remains structurally sound and can carry the load from above. • Three-stud corners • Double top plate • Double 2x10 headers on all openings with jack studs 2x6 studs 24” o. 5(2) for header span requirements. 1-1 Back-to-Back Header Figure A1. span applications with the “TOP” mark facing up. However if either of the above conditions are not met, use the single span tables for the Jun 19, 2023 · Based on this table: Source: SouthernPine. All other data is available on page 121 of the 2012 International Residential Code. 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 Western Lumber Span Tables Western Wood Products Association for Floor and Ceiling Joists and Roof Rafters BASE VALUES for dimension lumber computed with. 2) Table values are for single headers. 17. Page 9. 0E beams and headers exclusively in residential wood construction, you are leaving money on the table approximately 85% of the time. Wood structural panel box headers shall be constructed in accordance with 780 CMR Figure 5602. com a. 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. Span is permitted to be 24 inches on center where 3 / 4-inch wood strip flooring is installed at right angles to joist. 7(1) GIRDER SPANS a AND HEADER SPANS a FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, Southern pine and spruce-pine-fir b and required number of jack studs) Dec 31, 2024 · Consult Span Tables: Use span tables for your specific wood species and grade. 5(2). 6 7 WIN-1 8 WIN-2 9 WIN-3 10 WIN-4 11 WIN-5 12 WIN-6 13 WIN-7 14 May 24, 2024 · Trying to size headers for windows in a 3 season room. Headers are required above door and window openings to carry the loads of construction above and transfer the loads to the wall framing at the sides of the opening. All you have to do is: Select that you want to find the maximum header span; and then Feb 19, 2016 · I don't recall seeing header span tables that go lower than 4' spans, but the sizing depends on the supported load. 7(1) EXTERIOR GIRDER SPANS AND HEADER SPANS FOR EXTERIOR BEARING WALLS a. Span is permitted to be 24 inches on center for floors where 1 1 / 2 inches of cellular or lightweight concrete is applied over the panels. 12. There would be a whole need for more tables depending on if the ceiling joists are supporting on the gable end of none or multiple floors or a mezzanine, the truss design (most of the time I see vertical studs 16" or 24" o. ) Simple, huh Mar 27, 2017 · Window headers - LSL/LVL - posted in SoftList: I am using LSL as our opening headers but I am having a problem with the call out in my material list. They help you determine how far a wooden beam or joist can span between support points, such as walls or beams, without compromising safety and structural Rim board header size, material and span shall be in accordance with Table R602. – More restrictive of simple or continuous span. A long-span header is used to carry load across a complex window design. 4 for headers in nonbearing walls. Span tables are based on ASD load capacities for the HDSC clip. If you are in a 31 psf to 50 PSF snow zone, it drops down to 8'-5" max span This image is a cheat sheet for a 14' span LVL and a single 3. For a 7 foot span, size of LVL header or GLULAM should be 7 to 8 inches deep and 3. Lumber span tables are valuable guides which provide the maximum allowable spans for different types and sizes of Southern Pine and pressure-treated lumber under various load conditions. See full list on thespruce. A significant strength reduction occurs if an unbalanced glued laminated timber is installed upside down, or in a continuous span across supports. Rim board header size, material and span shall be in accordance with Table R602. Fastening. For example, if the span is 4 feet, add 2 to 4 for a sum of 6. Tables are based on: – Uniform loads. 2x4 studs 16” o. Nails used for framing and sheathing connections are carbon steel and shall have minimum average bending yield strengths as shown: 80 ksi for shank diameter of 0. 125 These tables are ideal for professionals who will apply the required technical knowledge. Dec 26, 2021 · Here is an engineering example of allow able spans with a metal stud header. These tables are applicable to openings in bearing walls but are not applicable to nonbearing walls. In addition, the size of the header for a 16-foot span is typically almost 2-1-3/4″×16″. If you are using 2. The tabulated minimum number of full-height studs is applicable where jack studs are provided to support the header at each end in accordance with Table R602. The header distributes the weight of the building or load above the window to the adjacent wall studs. For the Size Selection Tables, the user must determine the required load conditions, clear opening, and span of the trusses or other members framing into the header or beam. com 5-page PDF with all tables. 1) Round the actual header clear span up the net whole foot. The headers and beams in the snow load Size Selection Tables (Tables 1-4, 7-10 and 15-18) have been sized using the Design Roof Snow Load shown in the subheading for each table. Lintel Spans and Sizes (1) Spans and sizes of wood lintels shall conform to the spans shown in Tables A-12 to A-16, (a) for buildingsof residential occupancy, (b) where the wall studs exceed 38 mm by 64 mm in size, (c) where the spans of supported joists do not exceed 4. SFPA provides size selection tables for various beam spans and loading combinations for Southern Pine dimension lumber and glulam. Jan 7, 2016 · It went like this: Measure the span in feet and add 2 to that number. 142 Designed for short span applications. 7 Headers. What is building width in the header span table? Is building width the length of the ceiling joists (ie. The number of full-height studs at each end shall be not less than the number of studs displaced by half of the header span based Single 2x10 headers with header hangers (no jack studs) • Large openings with 2-2x10 headers and jack studs . Anything 5′ and above we always at least double cripple. (Just a side note, currently there is no header over the 3' opening!) I've attached the table section of the ICC IRC 2021 code for reference. Listed capacities are based on a maximum gap between the clip and the end of the header of 1/4". I believe I can safely use any of the following: 2 @ 2x12 at #1 grade; 3 @ 2x10 at #2 grade; 1 @ 3-1/2 x 9-1/4" Gluelam/LVL; Am I reading this table correctly? For my clear span 8' opening, I'd add an extra 6" so it can be supported on doubled 2x4 jack studs at each end. For a 10 foot span, size of LVL header or GLULAM should be 11 to 12 inches deep and 3. Uplift loads caused by wind have not been considered, nor have concentrated loads. 1-2 Box Header https://www. Apr 1, 2022 · To put it another way, I will explain why you are having trouble finding simplified span tables for header size: Header size is determined by the HEADER SPAN, and the size of header lumber needed to support: 1) The floor loads above 2) Ceiling Joist loads above 3) Roof loads above. You can find a set of span tables at southernpine. Determine the beam / header span (length) and the span carried (supported) by the beam / header. 124 James Slowinski, Electrical Inspector, Ext. The header and beam tables provided below have been computed using allowable stress design and standard engineering design equations for simple span beams with uniformly distributed gravity loads. In beam-speak you say: this header must carry X-pounds per lineal foot. For the designer, the capability to achieve longer spans makes it easier to achieve the open, airy designs and high ceilings that are popular in today’s homes. Jan 9, 2019 · The header span table doesn’t differentiate between wood species like the floor-joist and rafter span tables do in Chapters 5 and 7. Table is based on wind pressures acting toward and away from building surfaces in accordance with Section R301. Use these simple calculators to size Trus Joist TimberStrand LSL, Parallam PSL and Microllam LVL beams and headers and Treated Parallam Plus PSL deck beams and columns. 2. He also discusses several alternative designs to the double 2×12 and when they are appropriate: rim-board header, box header, and using a flat 2x instead of a header. Check plans to determine span and on-center spacing (design conditions) Check codes for allowable live load, snow load, dead load and deflection; Select appropriate span table; Match span in table to design condition and determine minimum Fb and E values listed in the span table For 1 / 2-inch panel, maximum span shall be 24 inches. 8. For the Allowable Load Tables, the user must determine the TABLE R602. Do not interpolate between spans. The IRC table lists single-header spans based on the snow load for your area, the load the header is supporting (roof, ceiling, floor), the width of the building, and the species of the header. 2 and required number of jack studs) Girders and Headers Supporting Size Ground Snow Load (psf) 30 50 70 Building width (feet) 20 28 36 20 28 36 20 28 36 • Tables 1-6 apply to headers carrying only uniformly distributed roof loads. This indicates the recommended header size and maximum Jun 17, 2021 · I'm framing out headers for 6' (72 inch) wide windows in a sunroom. Proper window header for 6-foot window & understanding the span tables? 3. Jul 28, 2017 · Then, multiply 55 psf by 28' and divide by 2 (because half the load goes the other direction away from the header. Double the table values for double headers. headers. 2 and 780 CMR Table 5602. g. Also note that the header spans can change from one IRC version to the next. homebuildingandrepairs. For headers supporting uniformly distributed floor, roof and exterior wall loads, use the appropriate table for Window, Door & Garage Door Headers – Supporting Roof, Wall & Floor Loads (Tables 7-12). 7(1), R602. sections, as shown by Figures A1. exterior load bering headers – roof & ceiling only (2018 irc table 602. 7(1). Southern Forest Products Association Span Tables. Floor joist to stud (balloon construction) 76 2 Ledger strip to wood beam 82 2 per joist Joist to joist splice (see also Table 9. As lumber-rating authorities change the capacity of one or have not been taken in developing these tables. Rim board headers shall be constructed in accordance with Figure R602. 5 inches wide, thus you Sawn-Lumber span tables are convenient tools. ) 76 2 at each end If headers weren't used on load bearing walls for openings, this could cause a potentially dangerous hazaard. 3) Table values are based on equal concentrated loads from joists or rafters spaced up to 24 inches on-center, bearing on top of BCI header. D-fir, hem-fir, SYP, and SPF are all grouped together in the header table. 1 (Spans for Minimum No. Plywood siding rated Header lengths should be ordered 1/2" shorter to fit inside clips. 2 and shall be supported at each end by full-height studs. (3) Minimum Lintel Thickness, mm Minimum Lintel Jul 4, 2021 · Header size: based on 6'7" I should use 3 2x12s or based on 6'5" I should use 4 2x10s. They don’t provide fine-tuned results. 20. 2 Nonbearing Walls. Each angle is Sep 23, 2012 · 9. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. 1 Southern Pine as used in the 2015 IRC. 5602. Now you can check the tables for the span of your header (width of your window). coming down on the gable end truss in our area), if floor joists or trusses are zero or up to 3 floors Table 8 Double L-Header Span Table—Headers Supporting extending down the side of the wall above window or door openings as shown in Figure 1. Engineered wood components are sized using span tables that match various spans to pounds per foot of beam. Canada) TJ-9505| April 2023 General Assumptions 3 Design Properties 4 Floor and/or Snow Load Tables TimberStrand® LSL 5 Microllam® LVL 6–7 Parallam® PSL 8–9 Beam Details 10 Window and Door Header Details 10–11 Nailing on Narrow Face 11 Allowable Holes 12 May 4, 2023 · The IRC tables are a catch all made for the worst-case scenario. If that's a doubled 2x10 there now, I'd assume that you'd need a doubled 2x10 for the Unfortunately, the span table stops at 9'-10" as the max opening using (4) 2x12's and 2 NJd's (Jack studs at each end of the span). Armed with this information you can determine the minimum size, span or strength of the beam (credit julio). (Table 2. b. Say you want to know the maximum rough opening or maximum header span for a particular header size. What size header for 10 foot span load bearing wall Jun 18, 2020 · Should window headers be set against the top plate or at rough opening height? 1. c. Example: From Table 321. VERSA-LAM ® Window - Load Bearing Boxed Header Boxed Jamb. 7(1) building width 12’ 24’ 36’ size span # of jack studs span # of jack studs span # of jack studs 1-2x6 4’0” 1 3’1” 2 3’5” 2 1-2x8 5’1” 2 3’11” 2 3’3” 2 For header spans between those given, use the minimum number of full-height studs associated with the larger header span. An appropriate balanced beam combination may be used for either simple-span or continuous-span applications. Tables R602. ) (1) Spans and sizes of wood lintels shall conform to the spans shown in Tables A-12 to A-16 (View table links at the bottom of this article), (a) for buildings of residential occupancy, (b) where the wall studs exceed 38 mm by 64 mm in size, Jun 1, 2019 · VL 1. 1 Back-to-Back and Box Headers The design provisions of Sections B1 and B2 of this . com/windows/index. 7(1) and R602. These tables are practical for building decks, joists, and rafters, and are adjusted for different regions. See Section R602. Not only would the structure be unsafe, doors and windows over a period of time would not function properly. What size LVL header size for 10 foot span. Jul 14, 2014 · Table R602. 25 LVL will span 14' in lieu of (3) 2x12's Sizing Tables Window and Door Headers 6–7 Headers Supporting Roof 8–9 Ridge Beams 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 Oct 6, 2023 · A Window Header Size Calculator is a tool used in construction and carpentry to determine the appropriate size of a header beam or lintel needed to support the load above a window or door opening. Figure A1. Cross-Reference: Match your calculated load with the span table data. Beams of more than one ply must be fastened together with either nails or bolts. 7(1) is to be used for headers over openings in exterior bearing walls. 192 inch (20d common nail), 90 ksi for shank diameters larger than 0. Load-bearing headers are not required in interior or exterior The header span table doesn’t differentiate between wood species like the floor-joist and rafter span tables do in Chapters 5 and 7. , Ste 25 Greenfield, MA 01301-3393 FCCIP STAFF Phone: 772-2026 Fax: 773-0896 James Hawkins, Building Commissioner, Ext. These tables are available from lumber associations or in resources like the IRC and specifically address headers, not just any type of beam. The sunroom is around 12 x 12 and has a ceiling and roof. CEILING JOISTS For header spans between those given, use the minimum number of full-height studs associated with the larger header span. ] Insulated headers can be made of rigid foam sandwiched between two layers of plywood or OSB or one layer of foam and one layer of plywood, or structural insulated panels. This translation is the key to any structural sizing problem. Nails are smooth-common, box or deformed shanks except where otherwise stated. 9 feet. A footnote is added to clarify that headers and girders are assumed to be braced; for headers with TABLE CTETS 2 Trus Joist® Beam, Header, and Column Specifier’s Guide (W. 2 Southern Pine rather than No. These charts are for 30 pound per square foot snow load on the roof. 142 inch or less. 70 or the header or girder shall be designed. com, but most loading scenarios for that span are going to call for a doubled 2x8 at minimum. ) which equals 770 lbs. If your window is 6' wide your header should be 2 - 2 x 10's. f (Maximum spans for southern pine No. For header spans between those given, use the minimum number of full-height studs associated with the larger header span. So the question is, Am I really reading/understanding this correctly? 3 2x12s 'feels' like overkill for a 6' span. Therefore, the header would need to be made from doubled 2x6s. 5 inches wide, thus you need something like (2) 1 3/4″× 7 1/4″ GLULAM or LVL header to span upto 7 feet. span floor 4-2x12 9-11 2 8-7 2 7-8 2 FCCIP 425 Main St. 1. 7 2650 06/2009 r 07/21/11 for use in . a. Microllam® LVL headers work well in applications from window openings to garage door headers. 4. Calculator is for use in U. 1-2. SUPPLEMENTAL TABLE R602. When sizing beams and headers, you need to have sufficient moment capacity (Fb), sufficient shear capacity (Fv), sufficient stiffness (EI) to satisfy the live and total load deflection criteria Span Tables F7 Rafters A maximum roof pitch of 25 degrees is assumed. MICROLLAM® LVL HEADER BENEFITS: Uniform and predictable; Resists warping, splitting and shrinking, while supporting heavy loads; Dimensionally stable Jan 14, 2015 · Span charts and 2012 IRC building codes for girders and headers. 7(2) of the code are used to determine allowable spans for headers as well as girders. Our VERSA-LAM ® LVL is manufactured in either Alexandria (Lena), Louisiana in Eastern United States, or in White City, Oregon for the Western United States. Interior Wall Tables for Metal Stud Framing. 1-1 and A1. 1 Wood Structural P anel Box Headers. shall be limited to back-to-back and box . Click on the appropriate beam, this will take you to the calculation table for your project. You merely look for the distance you need to span; match the load per foot of beam to the appropriate Fb(strength) and E(stiffness) values listed; and bang: you have a winner! Span tables are easy to use, but they have limitations. 142 inch but not larger than 0. Builder Mike Guertin provides a comprehensive look at header design and discusses how to figure out the right-size header for a given span. The chart below Where the top of the header or girder is not laterally braced (for example, cripple studs bearing on the header), tabulated spans for headers consisting of 2 × 8, 2 × 10, or 2 × 12 sizes shall be multiplied by 0. **Explore our updated Douglas Fir span tables for 2024**, providing essential data on maximum spans for this durable softwood. html Click on this link to learn more about window and door framing, installation and repairs. While drywall studs are not load-bearing, tests have been conducted to determine the recommended height for studs to achieve acceptable wall deflection. d. LVL Headers Laminated Veneer Lumber is an engineered wood product created by layering dried and graded wood veneers with waterproof adhesive into blocks of material known as billets. c. Nails used for framing and sheathing connections shall have minimum average bending yield strengths as shown: 80 ksi for shank diameter of 0. I:\DEVELOPMENT\ConstSvcs\FORMS and INFO OUT\Current Handouts\EDITABLE VERSIONS\Handout - Residential Header & Girder Span Requirements 141. 177 inch, and 100 ksi for shank diameters of 0. com Download SFPA’s Southern Pine Headers & Beams which includes all size selection and allowable load tables, explains how to use these tables, provides examples of how to read the table values, and other important information about the proper application of Southern Pine headers and beams. S. The number of full-height studs at each end shall be not less than the number of studs displaced by half of the header span based Rim board header size, material and span shall be in accordance with Table R602. The sum will be the height of your double header in inches. 7. (1) and9. 7(1) GIRDER SPANS a AND HEADER SPANS a FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, Southern pine and spruce-pine-fir b and required number of jack studs) TABLE R602. Lateral bracing requirements shall be in accordance with Section R602. ihjz mmnsfqk xdsqqa qhzavq nkywfj rsiudyy ulltbe whmitf yyreil odlvb svgaf zfys pmru oauoy ponplpgr