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IB Recover Membrane Vent

IB Recover Membrane Vents are used when installing over existing roofs and over systems containing lightweight concrete decks. IB Membrane Recover Vents are not intended to be installed over any exhaust pipe or used for ventilation of interior spaces. Recover Membrane Vents are positioned at a rate of one per 1000 square feet. Identify the location of the vent. Trace the inner base of the vent to mark the location. Cut out the marked area of the membrane where the vent is to be placed. Position the Recover Membrane Vent over the opening and tack it into place. It is not required to terminate the membrane around the opening or to fasten the vent into place. Weld the base seam to form a one-and-a-half-inch welded seam around the entire target flashing. Upon completing the installation, ensure all seams and laps are inspected and probed. If deficiencies are found, the area must be rewelded or repaired.

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