FL20473 – Atrium Windows & Doors
Florida product approval FL20473-R11 for Windows – Double Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL20473-R11
- Manufacturer
- Atrium Windows & Doors
- Code version
- 2023 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 FL20473-R11
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL20473.1 | Series 450/455/460/465 | Double Hung Window | N/A | No | No | Yes |
| FL20473.2 | Series 450/455/460/465 | Double Hung Window - Continuous Head & Sill | N/A | No | No | Yes |
| FL20473.3 | Series 450/455/460/465 | Double Hung Window - Double Unit with Fixed Transom and Triple Unit | N/A | No | No | Yes |
| FL20473.4 | Series 8300/3000/3201/40/1300 | Double Hung Window - Single & Mulled Units | N/A | No | No | Yes |
| FL20473.5 | Series 8700/1600/3500/80/6000 | Double Hung Window | N/A | No | No | Yes |
| FL20473.6 | Series 8900/90/8000/1800/3900 | Double Hung Window - Single & Mulled Units | N/A | No | No | Yes |
Fill a spec sheet with FL20473
On the contractor form, go to the Windows – Double Hung row and type 20473 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.