FL4911 – GAF
Florida product approval FL4911-R28 for Roofing Products – Waterproofing, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL4911-R28
- Manufacturer
- GAF
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 2
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL4911-R28
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL4911.1 | Waterproofing and Plaza Deck Systems (HVHZ) | Modified Bitumen, Thermoplastic and Liquid Applied Waterproofing and Plaza Deck Systems for use in FBC HVHZ jurisdictions. | +N/A/-537.5 | N/A | Yes | No |
| FL4911.2 | Waterproofing and Plaza Deck Systems (NON-HVHZ) | Modified Bitumen, Thermoplastic and Liquid Applied Waterproofing and Plaza Deck Systems for use in FBC non-HVHZ jurisdictions. | +N/A/-537.5 | N/A | No | Yes |
Fill a spec sheet with FL4911
On the contractor form, go to the Roofing Products – Waterproofing row and type 4911 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.