2x8 Span Chart Recipes

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FLOOR BEAM SPAN TABLES | CALCULATOR

WEB 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).
From the-house-plans-guide.com

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HEADERS & BEAMS : SIZE SELECTION TABLES - SOUTHERN FOREST …

WEB Click on any of the five applications below to toggle the table. Window, Door & Garage Door Headers – Supporting Roof Loads Only. Window, Door & Garage Door Headers - Supporting Roof, Wall & Floor Loads. Floor Girder Beams. Floor Edge Beams. Roof Ridge Beams. Loading conditions are detailed below. For each application, a PDF download is …
From southernpine.com

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HOW FAR CAN A 2X8 SPAN WITHOUT SUPPORT? - WEEKEND BUILDS

WEB 2×8 Span Chart. This chart will give you an idea about how different species, uses, and spacing combine to determine the span. This chart uses a 20 psf dead load and a 30 psf live load for calculations. It also offers only span for grade #2 wood.
From weekendbuilds.com

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WOOD BEAM SPAN CALCULATOR

WEB Jan 18, 2024 To find the span of a wood beam, let's say a 2"×8" beam (with actual measurements of 1.5"×7.5" ): Determine your wood beam's modulus of elasticity (E). Let's say 1,900,000 psi. Find the area moment of inertia (I) of your beam, where I = b × d³ / 12 = 1.5 in × (7.5 in)³ / 12 = 52.73 inches to the fourth power.
From omnicalculator.com

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DECK JOIST SPAN CHART - FINE HOMEBUILDING

WEB The table has two column sections — one for joists without a cantilever and one for joists with a cantilever. Span entries are listed for 2×6 through 2×12 joists and 12 in., 16 in., and 24 in. on-center spacing.
From finehomebuilding.com

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2012 SPAN TABLES FOR JOISTS AND RAFTERS - AMERICAN WOOD COUNCIL

WEB spans and required E values tabulated for 20 psf shall be permitted to be adjusted in accordance with the fol-lowing table: For roof live loads of 12 psf or 16 psf Table Multiply tabulated Multiply required number span by E-value by 12 psf 16 psf 12 psf 16 psf R-1 1.17 1.07 0.96 0.99 R-5 1.14 1.06 0.89 0.96
From awc.org

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SIMPLIFIED SPAN TABLES - PACIFIC LUMBER INSPECTION BUREAU

WEB • Spans are joists over a single span and are for use in covered structures. • Spans apply to lumber surfaced “GREEN” or surfaced “DRY” which conforms to Voluntary Products Standard PS 20-20 (3) sizes. • Applicable design criteria are shown in the heading for each table. • Spans are tabulated to 26 feet.
From plib.org

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TREATED SPAN CHART - CULPEPER WOOD PRESERVERS

WEB AWPA Standardized Preservative. Anytown, USA (www.website.com) 0.27 AWPA pcf EWP-A U1 UC3B (Excellent Above Wood Ground, Preservative, Exposed Type A) 2 x 6 - 12 #1 SYP Agency. TREATED FLOOR/DECK JOISTS. 40 PSF LIVE LOAD, 10 PSF DEAD LOAD, 360 DEFLECTION. Size Spacing.
From culpeperwood.com

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DECK BEAM & HEADER SPAN TABLE | DECKS.COM

WEB 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. Try it out at Decks.com.
From decks.com

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LUMBER DESIGN VALUES AND FRAMING SPANS FOR …

WEB Deflection - Limited in span in inches divided by 360 for live load only. Span (feet and inches) 2 x 6 2 x 8 2 x 10 2 x 12 Species spacing on center or Group Grade 12" 16" 19.2" 24" 12" 16" 19.2" 24" 12" 16" 19.2" 24" 12" 16" 19.2" 24" Douglas Fir-Sel. Struc. 11-4 10-4 9-8 9-0 15-0 13-7 12-10 11-11 19-1 17-4 16-4 15-2 23-3 21-1 19-10 18-5
From brightwood.com

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UNDERSTANDING LOADS AND USING SPAN TABLES - AMERICAN WOOD …

WEB As the table shows, no 2×8’s meet the span and spacing requirements, but a 2×10 with an E of 1,300,000 psi and Fb of 1093 psi can span 15 feet 3 inches – more than enough. A 2×12 with an E of 800,000 psi and Fb of 790 psi also …
From awc.org

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PRESCRIPTIVE RESIDENTIAL EXTERIOR WOOD DECK SPAN GUIDE - CWC

WEB FIGURE 1 – DECK LAYOUT. Notes: Deck joist allowable spans as per Tables 2a, 2b, 3a and 3b. Beam selection for supporting a single span as per Tables 4a, 4b, 5a and 5b. Beam selection for supporting two spans as per Tables 6a, 6b, 7a and 7b. Tables are not valid if joists span continuously over more than two supports.
From cwc.ca

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HOW FAR CAN A 2X8 SPAN WITHOUT SUPPORT? - PLASTICINE HOUSE

WEB Based on all factors though, a 2×8 joist span is 7’-1” to 16’-6”, and a rafter 6’-7” and 23’-9”. In this guide, we’ll explain what span means in terms of construction, factors that impact the span, and how much weight a 2×8 can support.
From plasticinehouse.com

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SPAN OPTIONS CALCULATOR FOR WOOD JOISTS AND RAFTERS

WEB The Span Calculator is supported by the Softwood Lumber Board. Download the Apps.
From awc.org

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SPAN TABLES - AMERICAN WOOD COUNCIL

WEB Span Tables Overview Resources provide a simplified system to determine allowable joist and rafter spans in one- and two-family dwellings, and the companion supplements for tabulating allowable bending and modulus of elasticity design values for visually graded and mechanically graded dimension lumber.
From awc.org

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SPAN TABLES - CALCULATE JOIST, RAFTER AND WOOD BEAM SPANS

WEB Use the span tables in the links below to determine the maximum allowable lengths of joists and rafters. These tables provide maximum spans for the #2 grades of four common species of lumber (Southern Pine, Douglas Fir, Hem-fir, and Spruce-pine-fir (SPF). Determine Maximum Joist and Rafter Spans.
From mycarpentry.com

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SPAN TABLES - SOUTHERN FOREST PRODUCTS ASSOCIATION

WEB Joists and Rafters. SPFA has created 46 simplified maximum span tables based on common load conditions for floor joists, ceiling joists, and rafters for selected visual and mechanical grades of Southern Pine lumber in sizes 2×4 thru 2×12. Review the joists and rafters span tables.
From southernpine.com

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FRAMER SERIES LUMBER SPECIFIER'S GUIDE - WEYERHAEUSER

WEB 2x8 1½" 7¼" 20'-10'' 18'-11'' 17'-9'' 16'-2'' 26'-2'' 23'-10'' 22'-5'' 20'-10'' 2x10 1½" 9¼" 26'-6'' 24'-1'' 22'-8'' 20'-7'' 33'-5'' 30'-5'' 28'-7'' 26'-6'' 2x12 1½" 11¼" 32'-3'' 29'-4'' 27'-7'' 25'-0'' 40'-8'' 36'-11'' 34'-9'' 32'-3''
From weyerhaeuser.com

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JOIST SPAN TABLE - MYCARPENTRY

WEB How to use the Span Tables. Example: In the joist span table below, the highlighted cell (10-5) indicates that a #2 grade 2" x 8" Douglas Fir joist, spaced 24" apart, can have a maximum span of 10 feet - 5 inches (10-5) if designing for a live load of 40 PSF, a dead load of 10 PSF, and a deflection limit of the total span in inches divided by 360.
From mycarpentry.com

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FLOOR JOIST SPAN TABLES—CALCULATOR

WEB Sample Floor Joist Span Table. The table excerpt above is simply a sample and may not be valid for your region. Looking at this table you will see there is a choice in the size of floor joist (2 X 6, 2 X 8, 2 X 10 or 2 X 12) and there is …
From the-house-plans-guide.com

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LUMBER SPAN TABLES FOR SPRUCE-PINE-FIR SOUTH (SPFS)**

WEB Table 1. Floor Joists - 40 psf Live Load, 10 psf Dead Load, L/360 Deflection. Span (feet-inches) 2x6. 2x8. 2x10. 2x12.
From irp-cdn.multiscreensite.com

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RAFTER SPAN TABLES - MYCARPENTRY

WEB Example: In the rafter span table below, the highlighted cell (13-0) indicates that a 2" x 8" Douglas Fir rafter, with a grade of #2, spaced 24" apart, can have a maximum span of 13 feet - 0 inches (13-0) if designed for a live load of 20 …
From mycarpentry.com

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CANADIAN SPAN BOOK 2020 - THE CANADIAN WOOD COUNCIL

WEB CANADIAN SPAN BOOK 2020. This new edition of The Span Book includes added tables for deck joists and beams, more lintel options, and recalculates all spans using revised shear properties. Erratas. Canadian Span Book 2020 (updated February 2021)
From cwc.ca

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