Timberless-44 Ecospan Floor System

Lightweight Flooring System for Mid-Rise Structures

The Timberless-44: Ecospan floor system is lightweight and ideal for structures of up to 12 stories.

Timberless-44 ECOSPAN

3.5″ Concrete


Wire or Fiber Mesh


1.0C Metal Deck


3 1/2″ Batt Insulation


48″ O.C. Max

Hat Channel

5/8″ Drywall

Lightweight, strong, and cost-effective.

The Ecospan floor and decking system will provide superior overall performance and is ideal for buildings up to 12 stories. The 3.5″ 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:





Student Housing

T-44: Ecospan System Details


Total System Approximate 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 40+ Feet

Cantilever Balconies

Ratings / Data

FIRE RATING *Most commonly utilized UL Ratings

UL G561- Direct Applied and/or Suspended Gypsum Board Ceiling

UL G229 - Suspended Acoustical Ceiling

UL D902 - Unprotected Composite Deck in Corridor

UL D916 - Unprotected Composite Deck in Corridor

UL G710 - Spray-on Fireproofing

Sound Technical Data

STC 57 with Carpet / Pad

IIC 77 with Carpet / Pad

The process of getting started is easy with a Superior Framing Solution

Schedule a Project Discovery

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

System & Delivery Selection

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

Review & Approve Proposal

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

Design & Go Vertical

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