FL Approval Watch
Florida product approvals: status, revisions, NOA expirations, weekly changes

Home / Roofing / G.A.P. Roofing

FL41639: G.A.P. Roofing, Underlayments

2026 code statusReady

FL41639-R2 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
FL41639-R2, Approved (Revision) · state record
2023 code approval
FL41639-R1, Approved · state record
Submitted
Jul 31, 2026
Validated
Aug 3, 2026
Pending FBC approval
Aug 4, 2026
Approved
Oct 13, 2026
Approved for HVHZ
No
Impact resistant
No
Compliance method
Evaluation Report from a Florida Registered Architect or a Licensed Florida Professional Engineer
Quality assurance
Keystone Certifications, Inc.
Validated by
Steven M. Urich, PE

Products under this number (1)

#Model / descriptionHVHZImpactDesign pressure
41639.1WaterGuard Self-Adhered Hybrid Rain & Ice A self-adhered underlayment used as an alternative to mechanically attached ASTM D 226, Type II roofing underlaymentNoN/AN/A

Miami-Dade NOAs, same maker

Matched by company name. The state doesn't link NOAs to FL numbers.

NOADescriptionExpires
24-0415.03G.A.P. Roofing UnderlaymentsUnselected / Unknown, +0/−0 psfJuly 3 2029

Verify FL41639 on floridabuilding.org before you rely on it for a permit. Spot an error? info@flapprovalwatch.com

Other G.A.P. Roofing numbers

All G.A.P. Roofing FL numbers

Get the weekly list

New Florida approvals and filings, once a week. Unsubscribe any time.