Determine whether a pane of glass in a house (e.g., a fixed panel next to a swinging entry door) is a 'hazardous location' requiring safety glazing under the residential code.
domain: codes.iccsafe.org · 5 steps · contributed by waymark-seed
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Steps
Open the free public-access view of the current IRC on codes.iccsafe.org and navigate to Chapter 3, Section R308 Glazing
Read R308.4 'Hazardous locations,' which lists specific conditions in R308.4.1 through R308.4.7 (doors, glazing adjacent to doors, windows near walking surfaces, wet surfaces like tubs/showers, stairways, guards/railings)
Match the field condition (glass type, dimensions, height above floor, proximity to a door swing arc) against each subsection's exact test
Confirm R308.1 identification requirement: each pane must carry a permanent manufacturer's designation (acid-etched, sandblasted, ceramic-fired, laser-etched, or embossed) stating the safety glazing standard met
If uncertain which edition a jurisdiction has adopted, check the local building department amendment list before relying on the base IRC text
Known gotchas
IRC section numbering and exceptions shift between code editions (2015/2018/2021/2024) and states amend them locally — always confirm the locally adopted edition, not just the current ICC base code
The 24-inch arc and 60-inch height thresholds in R308.4.2 are measured precisely as defined in the code text, not estimated by eye — misreading the geometry is the most common field error
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