Header span table. The figures are based on quality materials.

Header span table 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) Jun 17, 2021 · I'm framing out headers for 6' (72 inch) wide windows in a sunroom. 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) SFPA offers nearly 100 span tables for treated Southern Pine lumber, joists and rafters, and headers and beams. For header spans, see Tables R602. 1 grade (and higher grade) Southern Pine lumber. Building width is measured perpendicular to ridge. The joists will be 16 inches on-center. L X'1ddV JON saoa auqeJ ueds aapeaH pooM 8 Header lengths should be ordered 1/2" shorter to fit inside clips. Spans listed are based on unpunched members. 7 (1) GIRDER SPANSa AND HEADER SPANSa FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, southern pine and spruce-pine-firb and required number of jack studs) o. Spans are given in feet and inches of horizontal projec-tion. Versa-Lam® laminated veneer lumber (LVL) beams and headers eliminate twisting, shrinking and splitting, and deliver flatter, quieter floors and structures while high-performance floors start with BCI® Joists—with 20% greater strength than comparably-sized dimensional lumber. May 18, 2016 · Calculate the size needed for a beam, girder, or header made from No. 2 Douglas Fir-Larch, Hem-Fir, and Spruce-Pine-Fir lumber Explore a searchable database of US construction and building code. These tables will aid architects, engineers, contractors and other professionals engaged in designing and building residential and commercial structures in selecting the proper size of header or beam for the job. Th e prescriptive tables for fl oor girders and beams also provide the span and bearing support requirements for headers. For building widths between those shown, spans listed in table are permitted to be interpolated. The uplift span tables provided are applicable for the top floor of a two-story build-ing or for a one-story building. 5 Allowable Girder and Header Spans Go To Full Code Chapter Most beam tables only list values for whole-foot spans like 11’0″, 12’0″, etc. 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 Answer: Yes. com. These tables can still be used for No. Although Tables R602. 2 OR BETTER. S. These tables, often available from building code sources or lumber suppliers, take the guesswork out of header sizing by listing the recommended dimensions for various combinations of load, span, material, and support spacing. Uplift loads were found negligible for General Services Administration Residential Code 2024 > 5 Floors > R502 Wood Floor Framing > R502. 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. Span Tables Tables 3 through 18 provide the maximum allowable span for the double L-headers, listed in Table 1, due to gravity loads. VERSA-LAM® laminated veneer lumber (LVL) beam and header span and size charts available for download. These tables are ideal for professionals who will apply the required technical knowledge. The Southern Forest Products Association’s span tables for Southern Pine headers and beams provides an easy method for selecting the proper Southern Pine header or beam for its intended application, including size selection and allowable load tables for southern pine lumber and glued laminated timber (glulam) headers and beams. Calculator is for use in U. The reference in the MN State Residential Code is Table R602. The figures are based on quality materials. Building Calculators Find span, joist, connections, height, and area calculators here. Listed capacities are based on a maximum gap between the clip and the end of the header of 1/4". Based on my current understanding of the header span tables which I have For header spans, see Tables R602. Span tables are based on ASD load capacities for the HDSC clip. Lumber Spans Quick Reference Card Floor Joists 10 PSF dead load L/360 deflection limit Ceiling Joist Span Tables - Use these tables to determine the maximum span of a ceiling joist, given the size, spacing, species, and grade of lumber used. Read the beam size or choice of beam sizes from the table. Dec 26, 2021 · I like the attached file below for a table on how to size metal stud headers. A 4. The spans given are rounded to the nearest inch and repre-sent the maximum allowable span when controlled by deflection and/or bending. Refer to SFPA’s publication Southern Pine Headers & Beams (download in Publications) that includes all size selection and allowable load tables. Where the top of the header or girder is not laterally braced example, cripple studs bearing on the header), Tabulated spans for headers consisting of 2x8, 2x10 or 2x12 sizes shall be multiplied by 0. HTML Table Headers Table headers are defined with th elements. The allowable spans of girders and headers fabricated of dimension lumber shall not exceed the values set forth in Tables R602. But no verbiage to support this. Code regulations are consolidated by state and city for easier navigation. Covers any span and every load with pin point accuracy. Design loads are in pounds per square foot and are designated with a # symbol in the tables. 1. Includes span tables for all load bearing locations and the number of jack studs. 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 #2 or better lumber. Jan 3, 2005 · Size your deck beams and headers with our easy-to-use span table, which allows you to cross reference the post spacing and joist length to determine the right deck beam size. Additional Girder & Header Span Tables for Code Check Building 5th edition (per note at bottom right of page 30) Based on No. Keep in mind that these are maximums—in other words, shortening spans slightly will result in a more solid structure. GIRDER SPANS TABLE 602. SIP headers shall be designed and constructed in accordance with Table R610. Proper use of a span table is an important step in quality construction. LVL 2900Fb-2. Select the span carried by the beam across the top of the table. Cold-formed steel is lighter to provide ease of handling, and is a dimensionally stable product, giving a "straight" wall with which to work. Also see Assumptions for Table Development. Let’s say you’re building a 16-foot addition and have to select the correct size and species of lumber for the floor joists. 2 Southern Pine for headers and girders as long as they are appropriately sized, the spans shown are inadequate for the new Southern Pine design values, except for No. Use ForteWEB™ to determine solutions for conditions beyond the scope of this table. Steel is not only a recyclable product, but also a stronger product that allows for longer clear-spans. Their design span, the exact length from face to face of the supports, is 15 feet 1 inch (see Wood frame construction design relies on the lumber design values and allow-able span tables published in building codes and stan-dards, and industry technical publications. minimum length and full beam width bearing is required at supports, while a 6' minimum length and full beam vådth bearing is required at interior supports where there is a continuous beam EXTERIOR LOAD BERING HEADERS – ROOF & CEILING ONLY (2018 IRC TABLE 602. CEILING JOISTS 5 RAFTER-CEILING JOIST COMBINATION RAFTER-CEILING JOIST COMBINATION DOUGLAS FIR-LARCH NO. Find your LVL specifier's guide PDF for download. 7. 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. Find out the loads your overhead must bear, and then determine the rafter sizes. The box on the chart that matches across your beam span and down from the span carried represents the Ready Header product which suits your needs. 7(1) take into account whether the exterior bearing wall is on eave side or gable side? It doesn't seem to distinguish clearly, except the small pictorial images indicate that the wall in consideration is on the eave side. For the Allowable Load Tables, the user must determine the load in pounds per lineal foot (plf) the header or beam is required to carry. Use BEAM INDEX chart on opposite page for description of Ready Header beam nymber (s) that will best suit your For header spans, see Tables R602. 2 pine or LVL. 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) Jan 14, 2015 · Span charts and 2012 IRC building codes for girders and headers. 6 [1]) was published in chapter 5, “Floors”—hardly a logical spot—and the table only included two-ply, three-ply, and four-ply headers. BUT the width in this Headers 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. Each th element represents a table cell. Choose the required center-to-center span for the beam in the Span column. A span is the distance between two intermediate supports for a structure. In the 2012 IRC and earlier versions, the header span table for exterior bearing walls (R502. 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) 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. These tables are for simple spans (with support at each end) or for con- tinuous (multiple span) beams with equal spans carrying uniform loads. 7(1) and R602. 7 (3). These spans relate to products manufactured from U. Jan 9, 2019 · Spans follow the same header span table as regular headers, and the material can’t have a joint over the opening. Deflection: The amount of movement of a system, usually greatest at the midpoint, caused by transverse loading. Learn more about Versa-Lam LVL and BCI® Joists and our sizing software BC Calc® or view the US East and US West This table provides PWLVL header sizes for the support of one level of floor framing, an exterior wall and roof trusses over various rough openings. 7 (2) and R602. The column labeled SPAN CARRIED BY BEAM determines the span carried by your beam. 70 or the header or Explore a searchable database of US construction and building code. Lxa) sJs10r NVdS 0. Tables are based on uniform loads and the most restrictive of simple or continuous spans under dry-use conditions. Example: A Test Case Test your skill. Headers shall be not less than 11 7 / 8 inches (302 mm) deep. 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. The sunroom is around 12 x 12 and has a ceiling and roof. 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. L 801ua. For Canada switch to Canada Sizing Table Lookup. Spans are calculated assuming the top of the header or girder is laterally braced by perpendicular framing. Refer to West Fraser LVL sizing software for other loads or span configurations. 8 and Figure R610. Western species and are not appropriate for use with products manufactured from species imported from other countries. SIP headers shall be continuous sections without splines. May 4, 2023 · Does Table R602. Floor and/or Snow Load Tables TimberStrand® LSL Microllam® LVL Parallam® PSL Beam Details Window and Door Header Details Nailing on Narrow Face Allowable Holes Bearing Length Requirements Tapered End Cuts Multiple-Member Connections Header Design Example Problem Parallam® PSL Columns Product Warranty 3 4 5 6–7 8–9 Determine the beam / header span (length) and the span carried (supported) by the beam / header. 2 grade Douglas fir-larch, hem-fir, Southern pine, and spruce-pine-fir. The strength axis of the factors on the header shall be oriented horizontally. 7(1) BUILDING WIDTH 12’ 24’ 36’ SIZE SPAN # OF JACK SPAN # OF JACK STUDS Header: A joist or beam that spans two or more studs, accepts overhead loads from floors and roof and distributes the overhead load to the jamb studs supporting the header. Let’s work through an example that illustrates the steps involved in using the tables. Headers longer than 4 feet (1219 mm) shall be constructed in accordance with Section R602. applications only. 7 (3) AND HEADER SPANS (Maximum spans for Douglas fir-larch, hem-fir, southern pine and spruce-pine-firb) Dec 31, 2024 · Span tables provide a practical guide to maximum allowable spans based on these factors. 0E Floor Beam Quick Reference Tables TO USE: Select the correct table for the supported floor joist condition (simple or continuous). Try it out at Decks. TABLE R602. Also, the header must extend 6 inches beyond the opening, and the number of full-height studs on each side must equal half the number of studs displaced by the opening. Jul 26, 2025 · The user intent behind searching for a “Double 2×12 Header Span Table (5 Key Joist Tips)” is clear: someone needs to understand how far a double 2×12 header can span safely, and they’re likely dealing with joists in their project. 7 (1) for the exterior bearing wall requirements, as it applies to For header spans, see Tables R602. Click on the appropriate beam, this will take you to the calculation table for your project. 7 (1), R602. This brochure provides Size Selection and Allowable Load tables for Southern Pine lumber and glued laminated timber (glulam) headers and beams. See page 79 where how to size header spans begin. For lesser grades, spans should be shorter. 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 13, 2024 · The tables here give maximum spans for rafters and beams. And even though span tables provide limited data, they are very long. For beams with a slope 2:12 or greater, the horizontal span must be multiplied by the appropriate slope adjustment factor from the table to the right. Span varies by species, size, quality of material, and application. 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. A 2-foot maximum roof overhang and center support for the floor framing are assumed. 70 or the header or girder shall designed. We would like to show you a description here but the site won’t allow us. Mar 9, 2018 · We would like to show you a description here but the site won’t allow us. Span is defined as center-to-center of bearings along the slope of the beam, and is valid for simple span and equal, multiple span conditions. 5. Jamb Design Table Notes Definition and Usage The colspan attribute defines the number of columns a header cell should span. American Forest & Paper Association’s Wood Structural Design Data, provides span recommendations for solid-sawn wood beams up to 32 feet, but the table runs a hefty 140 pages. Allowable limiting heights & span Charts Contact ClarkDietrich Technical Services at (888) 437-3244 for any questions on tables below. Tables 19 through 23 provide the maximum allowable span for the double L-headers due to uplift loads. 7(2) do not prohibit the use of No. Interior FramingUse iProSTUD in ClarkDietrich iTools to quickly lookup the interior framing system you need. Span tables are used to size joists and rafters. Spans shown in the Western Lumber Span Tables and the Product Use Manual were calculated using Western Lumber Base Values as published in WWPA’s Western Lumber Grading Rules.