Purlins

Re-Roofing Over Misaligned Purlins: What Happens on Site?

Blog, Purlins / March 20, 2026
Purlins

Industries will routinely need to have their industrial roofing replaced or repaired after years of weather exposure, corrosion, or operational wear. Over time, roof sheeting can fail, leading to leaks, structural problems, and reduced thermal insulation performance. When old roofing sheets are taken off and the contractor finds structural issues, they may not have the …

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When Purlins Are Treated as Non-Critical Members: What Happens to Steel Buildings?

Blog, Purlins, Purlins Steel / February 25, 2026
Purlins

Purlins are often misunderstood in modern steel buildings, frequently labeled as non-critical elements despite their essential role in overall structural performance. While they do not serve the same primary load-bearing function as columns or rafters, purlins form a vital link in the roof load path, contributing directly to a building’s stability, safety, and long-term durability. …

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If Roofing Sheets Are the Skin, Purlins Are the Bone. Build the Strong Way

Blog, Purlins / December 22, 2025
Purlins

When people see a new roof, they notice three things about it. First, the colour; second, how shiny it appears; and third, how clean it looks. However, the true strength of any roof is found underneath the surface, just as the human skeleton provides structural support to the body; roofing sheets provide aesthetics while purlins …

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What Happens If You Don’t Use Purlins in Roofing Construction

Blog, Purlins / October 22, 2025
Purlins not in use

In a roofing system, most people think only of the roofing sheets, the insulation, or the trusses. There is one aspect, however, that is often overlooked: the purlins. Whether one is constructing a warehouse, factory shed, or commercial building, purlins are vital for structural stability.  Not only does omitting purlins seem to provide savings in …

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