FL21409 – Kolbe & Kolbe Millwork Co., Inc.
Florida product approval FL21409-R7 for Windows – Double Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL21409-R7
- Manufacturer
- Kolbe & Kolbe Millwork Co., Inc.
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 4
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL21409-R7
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL21409.1 | Heritage Series Sterling Double Hung | 45.50" x 80.44", Impact | +65/-65 | Yes | No | Yes |
| FL21409.2 | Heritage Series Sterling Double Hung | 41.5" x 92.44", Impact | +60/-60 | Yes | No | Yes |
| FL21409.3 | Heritage Series Sterling Double Hung w/aligned checkrail | 45.50" x 79.88", Non-impact | +50/-50 | No | No | Yes |
| FL21409.4 | Heritage Series Sterling Double Hung w/aligned checkrail | 45.50" 79.88", Non-impact | +65/-65 | No | No | Yes |
Fill a spec sheet with FL21409
On the contractor form, go to the Windows – Double Hung row and type 21409 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.