FL32035: Marco Industries, Inc., Underlayments

2026 code statusReady

FL32035-R4 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: FL32035-R4, Approved (Revision) · state record
2023 code approval: FL32035-R3, Approved · state record
Submitted: Aug 19, 2026
Validated: Aug 19, 2026
Pending FBC approval: Aug 29, 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: ICC NTA dba ICC-ES
Validated by: John W. Knezevich, PE

#	Model / description	HVHZ	Impact	Design pressure
32035.1	HydraShell Roof Underlayments (HVHZ) Self-adhering roof underlayments for use in FBC HVHZ jurisdictions.	Yes	N/A	N/A
32035.2	HydraShell Roof Underlayments (NON-HVHZ) Self-adhering roof underlayments for use in FBC non-HVHZ jurisdictions.	No	N/A	N/A

ASTM D1970 2021; ASTM D4798 2011

Verify FL32035 on floridabuilding.org before you rely on it for a permit. Spot an error? info@flapprovalwatch.com

FL46397 Not yetUnderlayments
FL46773 Not yetRoofing Accessories that are an Integral Part of the Roofing System
FL46865 Not yetRoofing Accessories that are an Integral Part of the Roofing System

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