MiTek Staff

New to the IRC 2024 Sec. R502.11

MiTek Staff

The 2024 International Residential Code (IRC) is available. One addition to the new residential code deals with the wood framing around stair openings. This addition was submitted as part of a code change proposal by the Stairbuilders and Manufacturers Association (SMA) based on the work and...

#16301 Cover image
August 2024
Issue #16301
Page 110
Ron Piester

Building Safety 101: Understanding the Basics for a Safer Tomorrow

Ron Piester

Building safety includes a wide range of best practices, including implementing fire suppression systems, conducting regular inspections on existing buildings, providing clear access to emergency exits, employing sustainable water and energy usage, and more. By understanding and adhering to...

#16299 Cover image
June 2024
Issue #16299
Page 80
MiTek Staff

Minimum Uniformly Distributed Live Load For Habitable Attics

MiTek Staff

An attic truss with 7 feet room height – should it be designed for 20 psf (pounds per square foot), 30 psf, or 40 psf room live load? Per International Residential Code (IRC) Table R301.5, the minimum uniformly distributed live load for uninhabitable attics with limited storage is 20...

#16298 Cover image
May 2024
Issue #16298
Page 104
Madison Stephens

AWC Releases New Wood Design Standards

Madison Stephens

The American Wood Council (AWC) released its three new 2024 wood design standards: the National Design Specification® for Wood Construction (NDS®), Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings, and Fire Design Specification for Wood Construction (FDS). These...

#16295 Cover image
February 2024
Issue #16295
Page 90
Jay Jones, P.E.

ANSI/TPI 1: The National Design Standard for Metal Plate Connected Wood Truss Construction

Jay Jones, P.E.

After more than three years in development, I’m pleased to announce the publication of ANSI/TPI 1–2022 National Design Standard for Metal Plate Connected Wood Truss Construction. Including a Commentary & Appendices, this standard is available for purchase in print and...

#15289 Cover image
August 2023
Issue #15289
Page 90
MiTek Staff

Minimum Uniformly Distributed Live Load For Habitable Attics

MiTek Staff

Attic truss with 7 feet room height – should it be designed for 20 psf (pounds per square foot), 30 psf or 40 psf room live load? IRC (International Residential Code) defines Habitable Space as a space in a building for living, sleeping, eating, or cooking. Per IRC 2018 Table...

#15284 Cover image
March 2023
Issue #15284
Page 93
Randy Daudet

Top Structural and Wood-Related Changes in the 2021 IRC, Part 2

Randy Daudet

In the last article, we described the primary structural and wood-related changes in the 2021 International Residential Code, Chapters 3 and 4. This article will continue with the primary changes to Chapters 5 through 8 of the IRC. Decks For the 2018 and the 2021 IRC, an informal group...

#15283 Cover image
February 2023
Issue #15283
Page 114
Randy Shackelford, P.E.

Top Structural and Wood-Related Changes in the 2021 IRC, Part 1

Randy Shackelford

The ICC code change cycle for the 2024 International Codes is near completion, with only the certification by the Validation Committee and confirmation by the ICC Board of Group B results outstanding. However, many jurisdictions may just now be adopting the 2021 International Codes. This is the...

#15282 Cover image
January 2023
Issue #15282
Page 108
Ryan Colker

Standards Ensure Off-site Built Tiny Homes Deliver Safety and Efficiency

Ryan Colker

As many communities and potential homeowners struggle with housing affordability, tiny houses have emerged as part of the solution. Assuring these tiny houses deliver the same level of safety and efficiency of other permanent housing solutions is essential. Local building codes and the...

#14277 Cover image
August 2022
Issue #14277
Page 96
MiTek Staff

Understanding Bearing Size at a Wall or Beam

MiTek Staff

The first thing to consider with bearing sizes is the minimum required by the building codes. Per 2018 IRC, International Residential Code for One- and Two-Family Dwellings, Sec. R802.6 – When a ceiling joist is supported directly on wood or metal, the minimum bearing size required is...

#14273 Cover image
April 2022
Issue #14273
Page 112
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