FL47091 – Duro-Last (Amrize Building Envelope LLC)
Florida product approval FL47091-R1 for Roofing Products – Waterproofing, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL47091-R1
- Manufacturer
- Duro-Last (Amrize Building Envelope LLC)
- 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 FL47091-R1
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL47091.1 | Duro-Shield Waterproofing Systems (HVHZ) | Pedestrian and vehicular deck waterproofing systems for use in FBC HVHZ jurisdictions. | +N/A/-502.5 | N/A | Yes | No |
| FL47091.2 | Duro-Shield Waterproofing Systems (NON-HVHZ) | Pedestrian and vehicular deck waterproofing systems for use in FBC non-HVHZ jurisdictions. | +N/A/-502.5 | N/A | No | Yes |
Fill a spec sheet with FL47091
On the contractor form, go to the Roofing Products – Waterproofing row and type 47091 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.