Timberless-44 iSPAN Floor System
Lightweight Flooring System for Mid-Rise Structures
The Timberless-44 prefabricated iSPAN floor system is ideal for structures of up to 10 stories.

3″ Concrete
Wire or Fiber Mesh
3/4″ Dovetail Metal Decking
3 1/2″ Batt Insulation
48″ O.C. Max
Hat Channel
5/8″ Drywall
Lightweight, strong, and cost-effective.
The prefabricated Timberless-44 floor and decking system will provide superior overall performance, and is ideal for buildings up to 10 stories. The 3″ concrete pour provides a solid feel under foot while maintaining a light structure for the foundational elements. With joists at only 48″ O.C., expect reduced labor and materials to ultimately save on time and budget.
Timberless-44 is ideal for Mid-Rise projects like:
Commercial
Retail
Mixed-Use
Hospitality
Student Housing
T-44: iSPAN System Details
Overview
Total System Weight of 44 lbs. psf.
Concrete Poured After Completion of Each Level
No Shoring Required, Saving Time with Sub Trades
Hat Channels & Drywall Installed at Bottom of Joists for Controlled Sound
All Components Non-Combustible
Quick Installation
Spans up to 30+ Feet
Cantilever Balconies
Ratings / Data
Fire Rating
UL I525 1 hr.
UL I525 2 hrs.
UL G-555
Sound Technical Data
STC 57 with Carpet / Pad
IIC 77 with Carpet / Pad
Downloads
054000 Timberless-44 Load Bearing Cold-Formed Metal Framing
052126 Composite Steel Total Joist 18-0817
Timberless-44 STC Ratings
Timberless-44 UL Ratings
Timberless-44 Details
Timberless-44 Section Details
The process of getting started is easy with a Superior Framing Solution

Schedule a Project Discovery
Schedule a discovery call with our experienced sales and estimating team to ensure your project is a good fit for a cold-formed steel framing system.

System & Delivery Selection
Working with our sales team, we’ll help you specify the correct framing solution for your project.

Preview & Approve Proposal
Once your system is selected, we’ll review your scope and schedule with you to make sure everything is clear and accounted for.

Design & Go Vertical
Once approved, our pre-construction team will coordinate with you to ensure accuracy, timelines and budgets. Then we go vertical!