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MFM's Isolation Barrier Underlayments
MFM's Isolation Barrier Underlayments
January 21, 2013 2:20 PM CST

Miami-Dade approves MFM's Isolation Barrier Underlayments

Underlayments have been approved to comply with the Florida Building Code


MFM Building Products, a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry, says its line of IB Underlayments have been approved by Miami-Dade to comply with the Florida Building Code, including the High Velocity Hurricane Zone. A copy of the Notice of Acceptance (NOA) No. 11-1205.03 can be found at

The MFM IB line of underlayment products are self-adhering with a mineral surface membrane. The specialized, rubberized asphalt adhesive system aggressively bonds to the substrate and self-seals around nails and other fasteners. These products may be applied over the entire roof deck with proper ventilation, under roofing at edges, valleys, vents, skylights and chimneys to protect from leaks caused by ice dams, melting snow and wind-driven rain.

The Miami-Dade NOA includes the following MFM IB products: IB-3 IceBuster (36 inches X 33, 67 and 75 feet), IB-3 StormStopper (36 inches X 67 feet), IB-4 StormStopper (36 inches X 67 feet), IB-3 ShingleStarter (36 inches X 33.5 and 67 feet) and ShingleStarter (7.2 inches X 33.5 feet). All 36-inch-wide underlayments come with a split release liner for ease of application.

For more information, visit

Originally published in Masonry magazine.

About the Author

Masonry, the official publication of the Mason Contractors Association of America, covers every aspect of the mason contractor profession - equipment and techniques, building codes and standards, business planning, promoting your business, legal issues and more. Read or subscribe to Masonry magazine at


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