Truss
A truss is a pre-engineered framework, usually triangular, that supports roofs or floors.
Why it matters
Trusses are designed as a system. Cutting, notching, or modifying a truss without engineering approval can cause structural failure.
Where people get this wrong
Trusses are not the same as rafters. You cannot just cut a hole in a truss for storage. Truss modifications need an engineer.
Real-world example
A homeowner wants to finish the attic and starts cutting through truss webs. The roof sags. Trusses must never be modified without proper engineering.
Where this hits your build
This term shows up during construction and affects decisions that are hard to reverse once the work moves forward. Understanding it now saves time, money, and frustration later.
Most people do not just struggle with terms. They struggle with the decisions tied to them.
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