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.
SLIDE...
Slide Master Flash down
over pipe. (A non-petroleum
base lubricant will ease
installation.)
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.
SEAL...
Apply silicone sealant
between base and roof.
FASTEN...
Use fastener to complete
sealing. For UPC installation,
fastener spacing may not
exceed 1-1/2" (38mm).
