FL41987 – Custom Window Systems Inc.
Florida product approval FL41987-R4 for Windows – Double Hung, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL41987-R4
- Manufacturer
- Custom Window Systems Inc.
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 13
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL41987-R4
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL41987.1 | Comfort Shield Double Hung Window | 48" x 63" vinyl non-impact single window with interlock reinforcement | +30/-30 | No | No | Yes |
| FL41987.2 | Comfort Shield Double Hung Window | 36" x 72" vinyl non-impact single window with fully reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41987.3 | Comfort Shield Double Hung Window | 36" x 63" vinyl non-impact single window | +35/-35 | No | No | Yes |
| FL41987.4 | Comfort Shield Double Hung Window | 48" x 72" vinyl non-impact single window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41987.5 | Comfort Shield Double Hung Window | 96" x 63" vinyl non-impact double window with interlock reinforcement | +30/-30 | No | No | Yes |
| FL41987.6 | Comfort Shield Double Hung Window | 72 1/2" x 72" vinyl non-impact double window with fully reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41987.7 | Comfort Shield Double Hung Window | 72 1/2" x 63" vinyl non-impact double window | +35/-35 | No | No | Yes |
| FL41987.8 | Comfort Shield Double Hung Window | 72 1/2" x 72" vinyl non-impact double window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41987.9 | Comfort Shield Double Hung Window | 109" x 72" vinyl non-impact triple window with fully reinforced stiles & rails | +30/-30 | No | No | Yes |
| FL41987.10 | Comfort Shield Double Hung Window | 109" x 63" vinyl non-impact triple window | +35/-35 | No | No | Yes |
| FL41987.11 | Comfort Shield Double Hung Window | 42" x 78" vinyl non-impact single window with fully reinforced stiles & rails & HP package | +50/-50 | No | No | Yes |
| FL41987.12 | Comfort Shield Double Hung Window | 54" x 86" vinyl non-impact single window with fully reinforced stiles & rails | +20/-20 | No | No | Yes |
| FL41987.13 | Comfort Shield Double Hung Window | 97" x 78" vinyl non-impact double window with fully reinforced stiles & rails | +20/-20 | No | No | Yes |
Fill a spec sheet with FL41987
On the contractor form, go to the Windows – Double Hung row and type 41987 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.