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FL11842: MFM Building Products Corp., Underlayments

2026 code statusReady

FL11842-R11 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
FL11842-R11, Approved (Revision) · state record
2023 code approval
FL11842-R10, Approved · state record
Submitted
Aug 20, 2026
Validated
Aug 20, 2026
Pending FBC approval
Aug 27, 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 (5)

#Model / descriptionHVHZImpactDesign pressure
11842.11 - "IB3","IB3 StormStopper", "IB3 StormStopper FSU", "IB3 Shingle Starter", "IB4 StormStopper" & "Shingle Starter" Self-Adhered Roof Underlayments attached to Plywood DeckNoN/AN/A
11842.22 - "Peel & Seal" Self-Adhered Roof Underlayment attached to Plywood DeckNoN/AN/A
11842.33 - "Ultra HT Wind & Water Seal" (R10) (R10) Self-Adhered Roof Underlayment attached to Plywood DeckNoN/AN/A
11842.44 - "Premium HT Tile & Metal" (R10) (R10) Self-Adhered Roof Underlayment attached to Plywood Deck, with option to use with ICP Polyset AH160, Dow TILE BOND Roof Tile Adhesive or DAP StormBond Single or Double Component AdhesiveNoN/A+N/A/-SeeTable
11842.55 - "STS" Self-Adhered Roof Underlayment attached to Plywood DeckNoN/AN/A

Standards cited

ASTM D 1970 2021; TAS 103 2020

Miami-Dade NOAs, same maker

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

NOADescriptionExpires
25-0804.02Peel & Seal and IB UnderlaymentsUnselected / Unknown, +0/−0 psfAugust 31 2030
24-0422.07MFM Premium HT Tile and Metal UnderlaymentUnselected / Unknown, +0/−0 psfJune 27 2029
25-0204.05Ultra HT Wind and Water Seal High TemperatureUnselected / Unknown, +0/−0 psfMarch 27 2030

Verify FL11842 on floridabuilding.org before you rely on it for a permit. Spot an error? info@flapprovalwatch.com

Other MFM Building Products Corp. numbers

All MFM Building Products Corp. FL numbers

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