lift and slide doors
Steel Thermally Broken (LMT.70)
Explore Steel Thermally Broken (LMT.70) for commercial submittals. Compare the photographs, frame construction and available options before requesting project pricing.
Made to order. Price, approved dimensions and lead time are confirmed in the quote.

Planning this system for commercial submittals
This thermally broken steel lift & slide door system offers exceptional strength and energy efficiency, providing smooth operation and a modern industrial aesthetic.
Steel Thermally Broken (LMT.70): maximum panel height 120"; maximum panel width 108"; stile 1 ⅞"; style Modern.
Provide the opening schedule, elevations, wall conditions, required design pressures and project location. Identify access, egress, threshold and hardware requirements for the design team before approving a system.
Photography & design details
Explore the options
Options for this system. Availability and combinations are confirmed in the final quote. Screen colors do not replace physical finish samples.
Colors & Finishes
Surface Track
Recessed Tracks
Configurations
Handles
Divided Lites
Glass
Additional Options
Specifications & performance
Manufacturer-published values are specific to the stated system and tested configuration. Panel dimensions are not overall rough-opening dimensions. A dash means no value is supplied in that field.
Performance
- U-Factor
- -
- SHGC
- -
- Impact Rated
- -
- AAMA Tested
- -
- Design Pressure (psf)
- -
- Air Infiltration (cfm/ft2)
- -
- Water Penetration Resistance (psf)
- -
- Structural Test Pressure (psf)
- -
- Florida Approval #
- -
Specifications
- Maximum Panel Height
- 120"
- Minimum Panel Height
- 36"
- Maximum Panel Width
- 108"
- Minimum Panel Width
- 28"
- Maximum Panel Weight
- 880 lbs
- Panel Depth
- 2"
- Maximum Number of Panels
- Unlimited for Recessed Tracks
- Stile
- 1 ⅞"
- Rail
- 1 ⅞" Top, 2 ½" Bottom
Design and installation planning
Provide the opening schedule, elevations, wall conditions, required design pressures and project location. Identify access, egress, threshold and hardware requirements for the design team before approving a system.
Plan the opening
Your project
Request a quote
Steel Thermally Broken (LMT.70). Provide the opening schedule, elevations, wall conditions, required design pressures and project location. Identify access, egress, threshold and hardware requirements for the design team before approving a system.
Start with approximate dimensions if the opening has not been verified. This request begins project review; it is not an order or payment.