installing the chimney
Cutting Hole in Roof
I.
Find the size hole
to
cut
into roof by using a string
and plumb bob and marking four sides of the
triple wall pipe on the inside of the roof.
2. Lay
out
roof opening larger,
lo
keep 1” minimum
clearance from triple wall pipe to combustibles in
finished opening.
3.
Cut out opening. Save shingles for covering flash-
ing, A rafter may have
to
be
cut
to make
op5n-
ing. Place headers between remaining rafters
and nail in place. Place additional rafter section
to maintain 1” clearance (See Fig. 14).
Adding Pipe Sections
1. Add sections of triple wall pipe. Rotate each
section until seam is aligned and key and notch
are mated.
2. Fasten together until top section is at least 29”
above highest point of roof cutout.
3. Caulk seam notch and any open screw holes, on
any joints above flashing (See Fig. 17).
installation, contemporary
round chimney above roof
w-
RAIN CAP
m
SPARK ARRESTOR
e
ADAPTOR
STORM COLLAR
III-
TRIPLE WALL PIPE
FLASHING
1
Installing Flashing
Place flashing
over
triple pipe and mark outline on
roof. Remove nails from shingles in this outline to
boitom
edge of roof cutout (See Fig.17). Coat
area
on roof with roof cement. Slide flashing under shingles
into position and
renail
top and side shingles. DO NOT
nail through lower portion of flashing. If necessary,
cover side and top of flashing with salvaged shingles.
FLASHING IN POSITION
BELOW SHINGLES
FLASHING
ABOVE SHINGLES
Installing Storm Collar
Install storm collar and raise upward. Apply water-
proof caulking around flashing where collar fits at top
of flashing. Push storm collar down securely on sealer
and flashing (See Fig.
18).
ml
-
CAULKING
Finishing Chimney
Important: Chimney outlet must be at least 3 feet
above roof
c”to”+.
It also musi be at least 2 feet above
the highest point of the roof within 10 feet in
o
hcrirontal plane.
If the Triple Wall Pipe is not 29” above
Ihe
highest
point of the roof cutout, additional Triple Wall Pipe
MUST be used to attain proper roof clearance. These
sections are attached
as
described
prev;ously.
ADAPTOR
TRIPLE
‘WALL
PIPE
STORM
COLLAR
FLASHING
When triple wall pipe is used to extend chimney,
extra sections are attached
as
described previously.
The RTSA Round Top Assembly is then attached to the
triple wall pipe To attach, slide the Round Top
brackets
over
outside wall of triple wall pipe and
rotate until holes line up. Attach with three screws
provided (See Fig.
19).
It is recommended that all exposed parts of the chim-
ney be painted with galvanized primer paint. Then a
coat of paint to match the decor of the home may be
applied.
9