FL41990 – Custom Window Systems Inc.
Florida product approval FL41990-R3 for Windows – Single Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL41990-R3
- Manufacturer
- Custom Window Systems Inc.
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 14
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL41990-R3
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL41990.1 | Comfort Shield Single Hung Window | 36" x 63" vinyl non-impact single window | +35/-35 | No | No | Yes |
| FL41990.2 | Comfort Shield Single Hung Window | 48" x 84" vinyl non-impact single window with fully reinforced stiles & rails | +35/-35 | No | No | Yes |
| FL41990.3 | Comfort Shield Single Hung Window | 54" x 66" vinyl non-impact single window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41990.4 | Comfort Shield Single Hung Window | 48" x 72" vinyl non-impact single window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41990.5 | Comfort Shield Single Hung Window | 72 1/2" x 63" vinyl non-impact double window | +35/-35 | No | No | Yes |
| FL41990.6 | Comfort Shield Single Hung Window | 96" x 72" vinyl non-impact double window with fully reinforced stiles & rails | +35/-35 | No | No | Yes |
| FL41990.7 | Comfort Shield Single Hung Window | 72" x 65 1/2" vinyl non-impact double window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41990.8 | Comfort Shield Single Hung Window | 109" x 63" vinyl non-impact triple window | +35/-35 | No | No | Yes |
| FL41990.9 | Comfort Shield Single Hung Window | 48" x 84" vinyl non-impact single window with transom with fully reinforced stiles & rails | +35/-35 | No | No | Yes |
| FL41990.10 | Comfort Shield Single Hung Window | 42" x 83.5" vinyl non-impact single window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41990.11 | Comfort Shield Single Hung Window | 109" x 72" vinyl non-impact triple window with reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41990.12 | Comfort Shield Single Hung Window | 36" x 72" vinyl non-impact single window with reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41990.13 | Comfort Shield Single Hung Window | 72 1/2" x 72" vinyl non-impact double window with reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41990.14 | Comfort Shield Single Hung Window | 54" x 96" vinyl non-impact single window with fully reinforced stiles & rails | +30/-30 | No | No | Yes |
Fill a spec sheet with FL41990
On the contractor form, go to the Windows – Single Hung row and type 41990 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.