Ultra HT is a self-adhering roofing underlayment composed of a cool white, non-slip, cross-laminated high density polyethylene film laminated to a high temperature adhesive system. This premium product is extremely tough, durable, rolls out flat and provides excellent waterproofing protection. Ultra HT is engineered as a whole roof underlayment for use under asphalt shingles and metal roofing systems. This product is rated to 250° F maximum. Ultra HT meets ASTM D 1970, Miami-Dade County Approved and Florida Building Code FL 11842.5. For more information, visit Booth 1143 or www.mfmbp.com.