FL1559 – Duro-Last (Amrize Building Envelope LLC)
Florida product approval FL1559-R22 for Roofing Products – Single Ply Roofing Sys, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL1559-R22
- Manufacturer
- Duro-Last (Amrize Building Envelope LLC)
- Code version
- 2023 Florida Building Code
- Status in our data
- Approved
- Products
- 1
Official record on floridabuilding.org →Use on a spec sheet →
Verify approval status on floridabuilding.org before submitting.
Approved products under FL1559-R22
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL1559.1 | Duro-Last Single Ply Roof Systems | Thermoplastic, single-ply roof systems. | +N/A/-1,025 | N/A | Yes | Yes |
Fill a spec sheet with FL1559
On the contractor form, go to the Roofing Products – Single Ply Roofing Sys row and type 1559 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.