FL41919 – MFM Building Products Corp.
Florida product approval FL41919-R1 for Roofing Products – Underlayments, as listed in ProdApproval’s data as of Sep 29, 2026.
- FL#
- FL41919-R1
- Manufacturer
- MFM Building Products Corp.
- 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 FL41919-R1
| Approval # | Model | Description | Design pressure | Wind-borne debris | HVHZ | Outside HVHZ |
|---|---|---|---|---|---|---|
| FL41919.1 | "IB-3™ StormStopper Plus" | Self-Adhered roofing underlayment comprised of a mineral surface with a rubberized asphalt adhesive and backed with a removable release liner and a selvedge edge. | N/A | No | No | Yes |
Fill a spec sheet with FL41919
On the contractor form, go to the Roofing Products – Underlayments row and type 41919 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.