Cut Out Hole In Roof; Complete Installation; Install Flashing - Heat & Glo Heat&Glo RUTHERFORD-36 Owner's Manual

F. Cut Out Hole in Roof
• Refer to Figure 8.9.
• Plumb from roof to center of chimney.
• Drive a nail up through roof to mark center of pipe.
• Measure to either side of nail and mark the 17 in. x 17 in.
(432 mm x 432 mm) opening required.
• Measure opening on the horizontal; actual length may be
larger depending on roof pitch.
• Cut out and frame opening.
• Refer to Chapter 25 of the Uniform Building Code for
roof framing details.
G. Complete Installation
WARNING! Risk of Fire! You MUST maintain 2 in.
(51 mm) air space to insulation and other combustible ma-
terials around the chimney system. Failure to do so could
cause overheating and fi re.
• Keep chimney sections from separating or twisting.
• You may secure straight chimney sections at the joints
with screws no longer than 1/2 in. (13 mm).
H. Install Flashing
• Slip the fl ashing over the chimney.
• Nail the fl ashing to the roof. Keep gaps between fl ashing
plate and roof to a minimum.
NOTICE: Roofi ng shingles must be below the fl ashing
plate on the lower side of a sloped roof and over the
fl ashing plate on the sides and top.
• Caulk the fl ashing plate and roof junction as well as the
vertical seam on the fl ashing. All nail heads must be
caulked with a roofi ng sealant.
30 Heat & Glo • RUTHERFORD-36 • 4059-341 Rev D • 03/09
Figure 8.9 Ceiling/Attic Construction