Quickly access helpful tools to design your TJI® joist floor systems. Whether you’re calculating allowable holes or choosing the right series to optimize cost and floor performance, these resources are here to assist you.

TJI Joist with holes

TJI Joist Allowable Holes Calculator
 

Easily determine allowable hole locations for your TJI® joists based on series, hole type, and hole size.

TJ Pro Rating Dial

TJ-Pro® Rating Calculator
 

Input your panel thickness and target TJ-Pro® Rating score to find the best TJI joist to meet your cost and performance expectations.