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

Home / Roofing / Greenstone Slate

FL20320: Greenstone Slate, Roofing Slate

2026 code statusNot yet

Approved under the 2023 code (FL20320-R5). No 2026 filing found under this number.

Last checked against floridabuilding.org: Oct 19, 2026, 10:28 AM ET. See the state record.

Filing record

2026 application
None found
2023 code approval
FL20320-R5, Approved · state record
Approved for HVHZ
n/a
Impact resistant
n/a
Validated by
Zachary R. Priest, P.E.

Miami-Dade NOAs, same maker

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

NOADescriptionExpires
22-0419.12Greenstone Roofing Slate - NaturalUnselected / Unknown, +0/−0 psfMarch 16 2027

Verify FL20320 on floridabuilding.org before you rely on it for a permit. Spot an error? info@flapprovalwatch.com

Get the weekly list

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