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...

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...

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...

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...

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...

As lumberyards continue to recover from pandemic-related supply issues, there’s been an ever-increasing shortage of building materials, creating many challenges for building contractors. These shortages have impacted availability of wood structural panel sheathing and, as a result, our...

While stick-frame roofs are sometimes preferred to premanufactured roof trusses in some areas of the country because they can accommodate larger attics, higher ceilings, and complex roof shapes, the code requirements for these roofs are often more complex. That’s largely because, unlike...

As climate patterns continue to shift, an increasing number of communities around the globe are not only experiencing extreme weather events with increased frequency, duration, and intensity, but also some are experiencing these hazards for the first time in their histories. As a first line of...

Learning from our current landscape and the stress the pandemic has forced on our infrastructure, it has become abundantly clear that society must put a greater emphasis on the task of strengthening our buildings, both residential and commercial, to create safe and structurally strong...

Hurricane season is in full swing, and we’ve had a record number of named storms to date. With each one, Mother Nature has taken the opportunity to remind us of her awesome power and teach us how we can improve our built environment in preparation for the next. One of the lessons...