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SHINGLE RECOVER: The TremLock T-138 Shingle Recover System is a standing seam metal panel system that installs directly over existing commercial-roof shingle systems without tear sheet or underlayment. The product’s shingle recover clip — long enough to sit on two shingles simultaneously, aligning each clip with the plane of the roof — holds the panel 3⁄4 inches above the existing roof. Together with the system’s vented eave and ridge components, this creates an air space that allows uninterrupted air flow between the existing shingled and new metal roof — a strategy called above sheeting ventilation (ASV) which reduces heat transfer into a building.
Content Category: Roofing