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FL48110: GenFlex (Amrize Building Envelope LLC), Modified Bitumen Roof System

2026 code statusReady

FL48110-R1 is listed as Approved under code version 2026.

Last checked against floridabuilding.org: Oct 19, 2026, 11:30 AM ET. See the state record.

Filing record

2026 application
FL48110-R1, Approved (Revision) · state record
2023 code approval
FL48110, Approved · state record
Submitted
Aug 19, 2026
Validated
Aug 19, 2026
Pending FBC approval
Aug 20, 2026
Approved
Oct 13, 2026
Approved for HVHZ
Yes
Impact resistant
No
Compliance method
Evaluation Report from a Florida Registered Architect or a Licensed Florida Professional Engineer
Quality assurance
UL LLC
Validated by
John W. Knezevich, PE

Products under this number (2)

#Model / descriptionHVHZImpactDesign pressure
48110.1GenFlex Modified Bitumen Roof Systems (HVHZ) SBS modified bitumen roof systems for use in FBC HVHZ jurisdictions.YesN/A+N/A/-350
48110.2GenFlex Modified Bitumen Roof Systems (NON-HVHZ) SBS modified bitumen roof systems for use in FBC NON-HVHZ jurisdictions.NoN/A+N/A/-350

Standards cited

ASTM D6163 2021; ASTM D6164 2021; FM 4470 2022; FM 4474 2020; TAS 114 2011; UL 1897 2023

Verify FL48110 on floridabuilding.org before you rely on it for a permit. Spot an error? info@flapprovalwatch.com

Other GenFlex (Amrize Building Envelope LLC) numbers

  • FL15885 PendingSingle Ply Roof Systems
  • FL17862 ReadySingle Ply Roof Systems
  • FL35406 PendingSingle Ply Roof Systems
  • FL47661 PendingSingle Ply Roof Systems
  • FL48090 Not yetModified Bitumen Roof System

All GenFlex (Amrize Building Envelope LLC) FL numbers

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