FL4571 – Lincoln Wood Products, Inc.
Florida product approval FL4571-R18 for Windows – Single Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL4571-R18
- Manufacturer
- Lincoln Wood Products, Inc.
- Code version
- 2020 Florida Building Code
- Status in our data
- Approved
- Products
- 6
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL4571-R18
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL4571.1 | Clad Half Round Single Hung | Clad Half Round Single Hung | N/A | No | No | Yes |
| FL4571.2 | Clad Half Round Single Hung Hybrid | Clad Half Round Single Hung Hybrid | N/A | No | No | Yes |
| FL4571.3 | Clad Segment Single Hung | Clad Segment Single Hung | N/A | No | No | Yes |
| FL4571.4 | Clad Segment Single Hung Hybrid | Clad Segment Single Hung Hybrid | N/A | No | No | Yes |
| FL4571.5 | Wood 1/2 Round Single Hung | Wood 1/2 Round Single Hung | N/A | No | No | Yes |
| FL4571.6 | Wood Segment Single Hung | Wood Segment Single Hung | N/A | No | No | Yes |
Fill a spec sheet with FL4571
On the contractor form, go to the Windows – Single Hung row and type 4571 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.