Installation of roof flashing for pipes, conduit, and other round penetrations.
Slipover or snap together flashing unit. If two-piece roof flashing is used, field
solder/seal vertical and horizontal seams watertight, then firmly embed flashing
plate in bed of mastic.
Between the penetration and the flashing, insert backer rod 3/8” below top of sleeve
flashing, apply sealant and tool for positive slope.
Install sealant cover around penetration and use bead of sealant at perimeter.
Installation of two-piece roof flashings for square tube, rectangle tube, angle irons,
H Beams, I Beams, and channels.
Snap together flashing unit. Field solder/seal vertical and horizontal seams watertight,
and firmly embed flashing plate in full bed of mastic.
Between the penetration and the flashing, insert backer rod 3/8” below top of sleeve
flashing, apply sealant and tool for positive slope.
Install sealant cover around penetration and use bead of sealant at perimeter.