Specific gravity (G) is a measure of wood density affected by the specific species or species combination of the commercial grade, growth region, and grading rules. It is the single most important lumber property for the strength of mechanical fasteners, such as nails and screws used in...

“The most basic of all human needs is the need to understand and be understood. The best way to understand people is to listen to them.” – Ralph Nichols, American psychologist and communication theorist, often referred to as the “Father of...

As North America’s largest lumber manufacturer, West Fraser supplies the truss market with mechanically graded lumber, dimension lumber, and premium products such as Prime, Select Structural, and HiLine. Founded nearly seven decades ago West Fraser began operations in 1955 when...

MSR Lumber has a long history of being the right choice for component manufacturers. This reliable and consistent lumber grading system revolutionized the construction industry when it was introduced to the market in the 1960s, and it continues to be a mainstay for truss producers decades...

The MSR Lumber Producer Council’s new Design Values Comparison Tool makes it possible for component manufacturers and other lumber buyers to easily build a comparison table based on species, size, and grade that includes design values for both visually graded and machine-graded dimensional...

Timber Products Inspection has compiled design value comparison tables for several popular species and species groups as a helpful tool for truss manufacturers to determine if a lumber grade and/or lumber species substitution satisfies the original truss design. The data used comes from the 2018...

In our October article, Because Good Ingredients Matter, we focus on the word quality and the many ways that MSR lumber has become synonymous with high quality structural building components. Having laid the groundwork for why MSR has become so important for optimizing truss designs and an...

Since the 1960s, fabricators have used machine stress rated (MSR) lumber of all species to improve the performance and reliability of their engineered components and structures. Nowadays, you don’t have to look far to find a successful component manufacturer who relies heavily on MSR...

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...

“Chaotic”...the Perfect January Tag If there was ever any doubt as to what we should expect from January Chaos, 2022 is a textbook example. Traders (buyers and sellers) enter the month with new year expectations that either repeat or improve upon the previous year. These...