folding doors
All Aluminum Thermally Broken (FTS.77)
Explore All Aluminum Thermally Broken (FTS.77) for folding panel layouts. 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 folding panel layouts
Designing an insulated folding door required balancing expansive openings with precision engineering. The result is a durable, smooth-operating system that blends versatile solutions with exceptional quality.
All Aluminum Thermally Broken (FTS.77): maximum panel height 120"; maximum panel width 50"; stile 1 ⅞"; style Modern.
Sketch the panel count and the side where panels will stack. Include the traffic-door preference, inside and outside floor levels, clear opening width and the space needed for handles, furniture and folded panels.
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 Tracks
Recessed Tracks
Configurations
Throw Handles
Pull Handles
Flag 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
- Pending
- SHGC
- Pending
- Impact Rated
- -
- AAMA Tested
- Pending
- Design Pressure (psf)
- Pending
- Air Infiltration (cfm/ft2)
- Pending
- Water Penetration Resistance (psf)
- Pending
- Structural Test Pressure (psf)
- Pending
- Florida Approval #
- Pending
Specifications
- Maximum Panel Height
- 120"
- Minimum Panel Height
- 36"
- Maximum Panel Width
- 50"
- Minimum Panel Width
- 18"
- Maximum Panel Weight
- 440 lbs
- Panel Depth
- 3 ¹⁄₁₆"
- Maximum Number of Panels
- 20 Bipart
- Stile
- 1 ⅞"
- Rail
- 1 ⅞"
Design and installation planning
Sketch the panel count and the side where panels will stack. Include the traffic-door preference, inside and outside floor levels, clear opening width and the space needed for handles, furniture and folded panels.
Your project
Request a quote
All Aluminum Thermally Broken (FTS.77). Sketch the panel count and the side where panels will stack. Include the traffic-door preference, inside and outside floor levels, clear opening width and the space needed for handles, furniture and folded panels.
Start with approximate dimensions if the opening has not been verified. This request begins project review; it is not an order or payment.