High-temperature Underlayment

MFM Building Products' Ultra HT Wind & Water Seal

MFM Building Products’ Ultra HT Wind & Water Seal

MFM Building Products has released a high-temperature underlayment: Ultra HT Wind & Water Seal. The self-adhering product is composed of a cool white, non-slip, cross-laminated, high density polyethylene film laminated to a rubberized asphalt adhesive system. The underlayment, which offers a 90-day UV exposure rating, is engineered for use under asphalt shingle and metal roofing systems. It comes with a split release liner for use in valleys, ridges, around chimneys and at eaves for protection against ice dams, wind-driven rain and water penetration.

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