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The Structural Integrity of Buildings


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Author Topic: The Structural Integrity of Buildings  (Read 11 times)
james5
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« on: October 27, 2017, 03:28:35 am »

The primary load-bearing structures of your home are the walls. For wood frame construction, the walls are compressed by the downward-exerted force resulting from the combined weight of the roof, including trusses, decking, and shingles, as well as anything on top of the roof like debris or snowfall. Additionally, wind exerts a lateral force on the walls of your home, potentially distorting their perpendicular framing with what building scientists call a “shearing force.” All building code requirements mandate that residential walls be constructed to withstand these forces. Despite the implementation of these requirements, walls that merely meet the minimum requirements can be prone to movement (creaking, shifting, shaking, etc.) during high-wind events like tornadoes or hurricanes.

High-density closed-cell spray foam insulation can reinforce exterior walls when sprayed in stud cavities. Closed-cell SPF adheres to both the exterior sheathing and wall studs to enhance the overall structural integrity of a wall assembly. With the installation of spray foam, an exterior wall becomes more rigid and thereby more resistant to compression and shearing, and so it can be said to have a greater “racking strength” than a typical wall assembly

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