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SELECT and TRIM…
Choose appropriate Master Flash with opening at least 20% smaller than pipe diameter. If necessary trim opening to 20% smaller than pipe diameter.
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SLIDE…
Slide Master Flash down over pipe. (A non-petroleum base lubricant will ease installation.)
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FORM…
Press Master Flash down,bending it to conform to roof profile or roof irregularities. A blunt tool will help press flashing into tight roof angles.
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SEAL…
Apply silicone sealant between base and roof.
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FASTEN…
Use fastener to complete sealing. For UPC installation, fastener spacing may not exceed 1-1/2″ (38mm).
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