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Heat & Glo • Cyclone-BN, Cyclone-BC • 2073-900 Rev. N • 10/08 25
I. Install RF4-8
The RF4-8 may be used in place of the roof fl ashing and
storm collar (Sections 8.F. and 8.G.)
Pipe must be supported within 12 inches of the roofline
using plumbers strapping or an SLP-FS when using
the RF4-8 Flashing. Refer to Section 8.C. Secure Vent
Sections.
SLP-FS
SECURE WITH 4
SCREWS NO LONGER
THAN 1 IN. (25 MM)
APPLY SEALANT
TOP & PARTIAL SIDES
SHINGLES TRIMMED
SHINGLES OVER
FLASHING
FLASHING OVER
SHINGLES
SILICONE SEALANT
(TOP OF BOOT)
• Trim the rubber boot (using scissors or a utility knife),
cutting along the marked measurement lines. See Figure
8.19. Use the 150 mm line.
• Lubricate pipe or fl ue with water and slide the fl ashing
down. It may be necessary to trim the top shingles around
the base of the rubber boot to ensure a good fi t.
• Draw around fl ashing, remove.
• Apply silicone sealant to roof inside the lines (Figure 8.20).
• Lubricate pipe or fl ue with water and slide fl ashing down.
Seat fi rmly in sealant. Nail roof fl ashing to the roof.
• Apply silicone sealant on the top outside of the base plate
on the sides and on top edge. See Figure 8.19. Install
shingles, Apply sealant at the top edge of the rubber
boot. See Figure 8.22.
• We recommend that you top coat with conventional
acrylic house paint to improve the appearance of your
galvanized base fl ashing.
Figure 8.15 Secure Pipe with SLP-FS
Figure 8.16 Trim Rubber Boot
Figure 8.18 Slide Flashing Down, Secure & Apply Sealant
Figure 8.19 Installation Complete
Figure 8.17 Apply Sealant