FL20441 – Custom Window Systems Inc.
Florida product approval FL20441-R4 for Exterior Doors – Sliding, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL20441-R4
- Manufacturer
- Custom Window Systems Inc.
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 3
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL20441-R4
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL20441.1 | SGD 3800 | SGD 3800 Aluminum Sliding Glass Door - 4' x 8' Panels | N/A | Yes | Yes | Yes |
| FL20441.2 | SGD 3800 | SGD 3800 Aluminum Sliding Glass Door 5' x 8' Panels | +80/-80 | Yes | Yes | Yes |
| FL20441.3 | SGD 3800 | SGD 3800 Aluminum Sliding Glass Door - 4' x 10' Panels | +65/-65 | Yes | Yes | Yes |
Fill a spec sheet with FL20441
On the contractor form, go to the Exterior Doors – Sliding row and type 20441 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.