FL21638 – MI Windows and Doors
Florida product approval FL21638-R15 for Windows – Horizontal slider, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL21638-R15
- Manufacturer
- MI Windows and Doors
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 21
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL21638-R15
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL21638.1 | 1630 HS | 96x53 Fin, Flange, Finless Frame XOX 1/4-1/2-1/4 | +40/-40 | No | No | Yes |
| FL21638.2 | 1630 HS | 96x48 Fin, Flange, Finless Frame XOX Equal | +50/-50 | No | No | Yes |
| FL21638.3 | 1630 HS | 120x63 Fin, Flange, Finless Frame XOX Equal | +25/-25 | No | No | Yes |
| FL21638.4 | 1630 HS | 96x53 Fin, Flange, Finless Frame XOX Equal | +40/-40 | No | No | Yes |
| FL21638.5 | 1630 HS | 96x48 Fin, Flange, Finless Frame XOX 1/4-1/2-1/4 | +50/-50 | No | No | Yes |
| FL21638.6 | 1630 HS | 120x63 Fin, Flange, Finless Frame XOX 1/4-1/2-1/4 | +25/-25 | No | No | Yes |
| FL21638.7 | 1630 HS | 74x50 Fin, Flange, Finless Frame, OX | +50/-50 | No | No | Yes |
| FL21638.8 | 1630 HS | 110x63 Equal Light XOX Flange and Finless Frame | +50/-50 | No | No | Yes |
| FL21638.9 | 1630 HS | 110x63 Fin Frame Equal Lite XOX | +35/-35 | No | No | Yes |
| FL21638.10 | 1630 HS | 74x63 Fin, Flange, Finless Frame | +50/-50 | No | No | Yes |
| FL21638.11 | 1630 HS | 72 x 53 Insulated Glass | +45/-45 | No | No | Yes |
| FL21638.12 | 1630 HS | 72 x 63 Insulated Glass | +30/-35 | No | No | Yes |
| FL21638.13 | 1630 HS | 84 x 48 Insulated Glass | +45/-45 | No | No | Yes |
| FL21638.14 | 1630 HS | 72 x 72 Insulated Glass | +30/-30 | No | No | Yes |
| FL21638.15 | 1630 HS | 120x63 XOX Flange and Finless Frame | +45/-45 | No | No | Yes |
| FL21638.16 | 1630 HS | 120x63 Fin Frame | +30/-30 | No | No | Yes |
| FL21638.17 | 1630 HS Impact | 110x63 XOX Flange and Finless Frame | +50/-50 | Yes | No | Yes |
| FL21638.18 | 1630 HS Impact | 110x63 Fin Frame XOX equal split | +50/-50 | Yes | No | Yes |
| FL21638.19 | 1630 HS Impact | 74 x 63 Fin Frame Insulated Laminated Glass, XO | +50/-50 | Yes | No | Yes |
| FL21638.20 | 1630 HS Impact | 73 x 48 Insulated Laminated Glass | +50/-50 | Yes | No | Yes |
| FL21638.21 | 1630 HS Impact | 74x63 Flange and Finless Frame | +50/-50 | Yes | No | Yes |
Fill a spec sheet with FL21638
On the contractor form, go to the Windows – Horizontal slider row and type 21638 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.