Re; Height above floor for tempered glass windows.

[daniel nantell]

Windows sitting on a 18 inch kneewall in Sunroom , would they be required to have safety glass. thanks.

[Bruce Ramsey]

Depends. Must meet all 4 criteria
- Exposed area of glazign >9 sq ft +
- Bottom edge <18 inches avoe floor or ground +
- Top edge >36 in. avove floor or ground +
- Within 36in horizontal of walking surface

Check IRC 308.4 for details

[daniel nantell]

Thanks for the reply , so If it measured 24 inches from floor it would not require the safety glass, ???????????????????????????