FL26581 – APOC, Sub of Gardner-Gibson Inc.
Florida product approval FL26581-R2 for Roofing Products – Underlayments, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL26581-R2
- Manufacturer
- APOC, Sub of Gardner-Gibson Inc.
- Code version
- 2020 Florida Building Code
- Status in our data
- Approved
- Products
- 8
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL26581-R2
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL26581.1 | APOC Tuff-Felt 26 | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.2 | APOC Tuff-Felt 46 | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.3 | FT3 | Self-adhering membrane composed of elastic polymers, bitumen polyester and glass reinforcement. | N/A | N/A | Yes | Yes |
| FL26581.4 | No. 15 ASTM | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.5 | No. 30 ASTM | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.6 | United FGUR10 | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.7 | United FGUR20 | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
| FL26581.8 | United FGUR70 | Asphalt Saturated Felt underlayment | N/A | N/A | Yes | Yes |
Fill a spec sheet with FL26581
On the contractor form, go to the Roofing Products – Underlayments row and type 26581 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.