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): Panel dimensions are confirmed for the selected configuration; 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
Configuration drawings and planning details
The layout diagram shows how panel groups fold to one side or divide between sides. Choose the parking location and everyday access arrangement first, then check the folded stack and handle clearance beside the opening. Panel count, frame dimensions and individual panel limits are confirmed together for the selected configuration.
Use the drawings to discuss All Aluminum Thermally Broken (FTS.77) with your installer. Final project drawings and applicable installation instructions govern the ordered assembly.
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
- Confirmed for your configuration
- Minimum Panel Height
- 36"
- Maximum Panel Width
- Confirmed for your configuration
- 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.
Plan the opening
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.