FL21144 – WinDoor Inc.
Florida product approval FL21144-R5 for Windows – Mullions, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL21144-R5
- Manufacturer
- WinDoor Inc.
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 2
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL21144-R5
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL21144.1 | Estate Tube Mullions | HVHZ, Large Missile Resistant, Aluminum Mullions | N/A | Yes | Yes | Yes |
| FL21144.2 | Legacy Tube Mullions | HVHZ, Large Missile Resistant, Aluminum w/wo Thermal Break Mullions | N/A | Yes | Yes | Yes |
Fill a spec sheet with FL21144
On the contractor form, go to the Windows – Mullions row and type 21144 in the Florida Product Approval # box to fill the row. Walton County users can print a PDF that follows the county’s sheet; see the Walton County Product Approval Specification Sheet guide.