MFM 

BUILDING PRODUCTS CORP.

Ultra HT Wind & Water Seal® – Premium Protection for Your Roof

At Premium Roofing Supplies, we are proud to be a certified distributor of Ultra HT Wind & Water Seal®, an industry-leading, self-adhering roofing underlayment by MFM Building Products Corp. Engineered for superior performance under extreme conditions, this high-temperature underlayment offers unmatched durability and reliability for a wide range of roofing systems, including shingle, tile, shake, and metal.

 

Graphic explaining all weather protection
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ULTRA HT

Why Choose Ultra HT Wind & Water Seal®?

  • High-Temperature Resilience: Rated for applications up to 250°F, making it ideal for demanding climates and metal roofing systems.
  • Waterproofing Excellence: Aggressively adheres to various substrates, including plywood and metal, and seals around fasteners to effectively block water penetration, preventing costly leaks and damage.
  • Non-Slip Safety Surface: The white, cross-laminated polyethylene film provides excellent foot traction, ensuring safety during installation.
  • Versatile Application: Designed for valleys, ridges, chimneys, and even vertical installations like parapet walls or exterior panel systems.
  • Fire Resistant Option: When paired with 24 GA steel or 16 oz. UL Classified roofing panels, it serves as a UL Classified fire-resistant membrane.
Warranty

FEATURES AND BENEFITS

  • Single-ply installation directly to the roof deck for quick and efficient coverage.
  • Flexible and highly elongative to accommodate roof expansion and contraction.
  • Split-release liner for easy handling and installation in challenging areas.
  • Suitable for a minimum roof slope of 2:12 (check local building codes).
  • Can be exposed for up to 90 days without compromising performance.

 

Built for Long-Lasting Protection

Ultra HT Wind & Water Seal® is backed by a 10-year limited warranty, ensuring peace of mind and lasting protection for your roofing investment. With proper roof ventilation, this underlayment provides dependable secondary water resistance, even under the most demanding conditions.

Ready to experience the ultimate in roofing protection? Contact Premium Roofing Supplies today to learn more about Ultra HT Wind & Water Seal® or to place your order.

Ultra ht wind & water seal® Approvals

  • ASTM D 1970

  • ICC-ES ESR 1737

  • LA County (LARC/LABC)

  • State of California (CRC/CBC)

  • Florida Building Code FL 11842.3

  • Miami-Dade County Approved

  • UL® Class A Fire Rating

  • Texas Department of Insurance Listed

  • Fortified Building Program Listed

  • Canadian CCMC 14048-L