FL47970 – Owens Corning

Florida product approval FL47970-R1 for Roofing Products – Underlayments, as listed in ProdApproval’s data as of Sep 29, 2026.

FL#
FL47970-R1
Manufacturer
Owens Corning
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 FL47970-R1

Approval #ModelDescriptionDesign pressureWind-borne debrisHVHZOutside HVHZ
FL47970.1Titanium PSU30ASTM D1970 self-adhering SBS modified asphalt roofing underlayment+0/-112.5N/ANoYes
FL47970.2WeatherLock Specialty Tile & Metal Self-Sealing Waterproofing BarrierASTM D1970 self-adhering SBS modified asphalt roofing underlayment+0/-172.5N/AYesYes

Fill a spec sheet with FL47970

On the contractor form, go to the Roofing Products – Underlayments row and type 47970 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.