FL41978 – VPI Windows
Florida product approval FL41978-R6 for Windows – Single Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL41978-R6
- Manufacturer
- VPI Windows
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 8
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL41978-R6
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL41978.1 | Endurance 591 | Single Hung (O/X.O/X) 72" x 60" | +50/-50 | No | No | Yes |
| FL41978.2 | Endurance 591 | Single Hung (O/X) 56" x 96" | +30/-30 | No | No | Yes |
| FL41978.3 | Endurance 591 | Single Hung (O/X.O/X) 88" x 96" | +45/-45 | No | No | Yes |
| FL41978.4 | Endurance 591 | Single Hung (O/X.O/X) 144" x 96" | +30/-30 | No | No | Yes |
| FL41978.5 | Endurance 591 | Single Hung (O/X/O) 60" x 144" | +40/-40 | No | No | Yes |
| FL41978.6 | Endurance 591 | Single Hung (O/X.O) 96" x 96" | +30/-30 | No | No | Yes |
| FL41978.7 | Endurance 591 | Single Hung (O/X/O.O/X/O) 88" x 96" | +45/-45 | No | No | Yes |
| FL41978.8 | Endurance 591 | Single Hung (O/X) 48" x 84" | +55/-55 | No | No | Yes |
Fill a spec sheet with FL41978
On the contractor form, go to the Windows – Single Hung row and type 41978 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.