SIPs are powerful and advanced engineered wood products that can be used as floors and subfloors*. We did a simple evaluation of maximum allowable spans to show how they compare to common wood I-Joist and steel solutions. (*requires special moisture detailing)
![](https://texasengineer.com/wp-content/uploads/2019/09/SIP-TO-I-JOIST-TO-W-FLANGE-SPAN-COMPARISON-2019-1-791x1024.jpg)