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Table R502.3.1(2) Design Criteria: Hem Fir # 2 joists with a live/dead load of 40/10 psf. DOL 1.00; L / 360. FLOOR BEAM TABLE BEAM SPAN BETWEEN SUPPORTS ( SPACING OF POSTS) 4 5 6 7 8 9 10 11 J O I S T S P A N 12 4 2-2x4 2-2x4 2-2x4 2-2x6 2-2x6 2-2x6 2-2x6 2-2x8 2-2x8 5 2-2x4 2-2x4 2-2x6 2-2x6 2-2x6 2-2x6 2-2x8 2-2x8 2-2x10 6 2-2x4 2-2x4 2-2x6 2-2x6 2-2x6 2-2x8 2-2x8 2-2x10 2-2x10 7 2-2x4 2-2x4 2-2x6 2-2x6 2-2x8 2-2.

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How to fill out the Floor Beam Span Table online

The Floor Beam Span Table is an essential tool for understanding the structural requirements of floor beams. This guide will assist users in navigating the online form, ensuring accurate and efficient completion for your construction needs.

Follow the steps to complete the Floor Beam Span Table effectively.

  1. Click ‘Get Form’ button to obtain the Floor Beam Span Table and access it in your preferred online format.
  2. Identify the joist size section. Select the appropriate joist size from the options provided—2 inches by 6 inches, 2 inches by 8 inches, 2 inches by 10 inches, or 2 inches by 12 inches. This selection will dictate the maximum span and spacing configurations.
  3. In the joist spacing section, indicate the spacing of your joists. Common spacings include 12 inches on center, 16 inches on center, 19.2 inches on center, and 24 inches on center. This is crucial for determining the beam's load capacity.
  4. Refer to the maximum span table corresponding to the selected joist size and spacing. Accurately note the maximum allowable span that aligns with your chosen configuration for proper structural integrity.
  5. Next, navigate to the Beam Span section, detailing the spacing of posts. As before, ensure you carefully read across the row that matches your joist spacing, noting the necessary beam sizes required for various spans.
  6. Fill out the required fields with the correct beam sizes based on the span you determined. Ensure consistency and accuracy across the document.
  7. Finally, once you have completed all necessary sections, review your entries for errors or omissions. You can then save changes, download, print, or share the completed Floor Beam Span Table as needed.

Complete your construction documentation online with confidence. Fill out the Floor Beam Span Table today!

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For example, a double 2×8 beam can span 8-ft.

Deck Joist Spacing by Wood Type & Deck Size Joist Spacing (o.c.)16"SpeciesSizeAllowable SpanSouthern Pine2x69'-0"2x811'-10"2x1014'-0"9 more rows

Dimensional Lumber Deck Beam Span Chart Joist SpansDouglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir, Redwood, Cedars, Ponderosa Pine, Red Pine3-2X65'-9"3-2X87'-4"3-2X109'-1"3-2X1210'-6"17 more rows

In general a double 2x beam can support a span in feet equal to its nominal width in inches. A double 2x10 can thus span 10 feet. It's for typical deck construction. That's what op is asking about.

Maximum Floor Joist Span Joist SizeMaximum Span Allowed (Feet-Inches)2x611'-2"2x814'-8"2x1018'-9"2x1222'-10" 1 Feb 2023

Max. Live Load 60 lbs/ft2 (2873 N/m2) Maximum Span (ft - in)Nominal Size (inches)Joist Spacing Center to Center (inches)Lumber Grade2 x 122415' - 10"2 x 141223' - 11"1621' - 8"10 more rows

The most common lumber sizes for floor joists are 2x6, 2x8, 2x10, and 2x12. Larger joists can span across wider areas. For example, a 2x6 joist would have a 12-foot, 6-inch maximum span, and a 2x10 joist would have a 21-foot maximum span.

A 4x8 timber can span about 11-12 feet .

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© Copyright 1997-2025
airSlate Legal Forms, Inc.
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Form Packages
Adoption
Bankruptcy
Contractors
Divorce
Home Sales
Employment
Identity Theft
Incorporation
Landlord Tenant
Living Trust
Name Change
Personal Planning
Small Business
Wills & Estates
Packages A-Z
Form Categories
Affidavits
Bankruptcy
Bill of Sale
Corporate - LLC
Divorce
Employment
Identity Theft
Internet Technology
Landlord Tenant
Living Wills
Name Change
Power of Attorney
Real Estate
Small Estates
Wills
All Forms
Forms A-Z
Form Library
Customer Service
Terms of Service
Privacy Notice
Legal Hub
Content Takedown Policy
Bug Bounty Program
About Us
Blog
Affiliates
Contact Us
Delete My Account
Site Map
Industries
Forms in Spanish
Localized Forms
State-specific Forms
Forms Kit
Legal Guides
Real Estate Handbook
All Guides
Prepared for You
Notarize
Incorporation services
Our Customers
For Consumers
For Small Business
For Attorneys
Our Sites
US Legal Forms
USLegal
FormsPass
pdfFiller
signNow
airSlate WorkFlow
DocHub
Instapage
Social Media
Call us now toll free:
+1 833 426 79 33
As seen in:
  • USA Today logo picture
  • CBC News logo picture
  • LA Times logo picture
  • The Washington Post logo picture
  • AP logo picture
  • Forbes logo picture
© Copyright 1997-2025
airSlate Legal Forms, Inc.
3720 Flowood Dr, Flowood, Mississippi 39232