Standards · Design principles · Practical applications · Navigating Serviceability (SLS) in NBC 2020

We spend a lot of time ensuring our structures are strong enough (hello, ULS!). But what about how they feel and perform day-to-day? That’s where Serviceability Limit States (SLS) come in. Sagging floors, cracked partitions, or that annoying bounce when someone walks by – these are all SLS concerns. The National Building Code of Canada (NBC) 2020 has brought SLS criteria more formally into the main body of the code (Article 4.1.3.4.), underscoring its importance.

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