FL20840 – MI Windows and Doors
Florida product approval FL20840-R15 for Windows – Double Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL20840-R15
- Manufacturer
- MI Windows and Doors
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 11
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL20840-R15
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL20840.1 | 1650 DH | 36x74 Finless Frame | +40/-50 | No | No | Yes |
| FL20840.2 | 1650 DH | 36x60 Finless Frame | +40/-55 | No | No | Yes |
| FL20840.3 | 1650 DH | 40x72 Finless Frame | +35/-50 | No | No | Yes |
| FL20840.4 | 1650 DH | 52x60 Finless Frame | +25/-25 | No | No | Yes |
| FL20840.5 | 1650 DH | 36x60 Integral Fin Frame | +40/-50 | No | No | Yes |
| FL20840.6 | 1650 DH | 38x77 Fin, Flange, and Finless Frame | +25/-30 | No | No | Yes |
| FL20840.7 | 1650 DH | 36x74 Fin and Finless Frame | +35/-50 | No | No | Yes |
| FL20840.8 | 1650 DH | 52x72 Finless Frame | +30/-35 | No | No | Yes |
| FL20840.9 | 1650 DH | 52x72 Fin Frame | +30/-30 | No | No | Yes |
| FL20840.10 | 1650 DH | 52x62 Finless Frame | +30/-30 | No | No | Yes |
| FL20840.11 | 1650 DH | 52x62 Fin Frame | +35/-35 | No | No | Yes |
Fill a spec sheet with FL20840
On the contractor form, go to the Windows – Double Hung row and type 20840 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.