4
450mm EAVES OVERHANG
RAFTER
STRENGTHENING
BRACKET
M12 BOLT
TIMBER RAFTER
60x44x2.0 G450 GALVANISED
CHANNEL
600mm EAVES OVERHANG
RAFTER
STRENGTHENING
BRACKET
M12 BOLT
TIMBER RAFTER
60x44x2.0 G450 GALVANISED
CHANNEL
RAFTER
6
ENOUGH CLEARANCE FOR
ROOF SHEETS TO RUN INTO
THE HOUSE GUTTER
FIX BRACKET AS CLOSE
AS POSSIBLE TO THE BASE
OF THE GUTTER
RAFTER
STRENGTHENING
BRACKET
CGI, POLYCARBONATE
OR
OUTBACK ROOF SHEET
®
150 ATTACHMENT
BEAM
Fixing the 150 Attachment Beam in Place
After fixing all the brackets and channels, the 150
attachment beam is fixed in place.
Prop up the 150 attachment beam in position with the
double flange on top, the beam will need to be located at a
height on the bracket which allows clearance between the
gable roof sheets and the gutter. Fix to the end plates of the
rafter bracket using two M12 bolts, with the bolt head on the
150 attachment beam side. Insert spacers to prevent the
beam from crushing, and bolt in position, using nuts and
washers.
Do not over tighten bolts as this can lead to a visible
indentation due to the high gloss nature of the material.
Refer to Figure 8 for fixing spacers.
Note:
5
Fixing Rafter Strengthening Brackets and
Channels
The adjustable rafter strengthening bracket allows for an
adjustment of pitch in the range of 15 to 30 degrees. The
distance the bracket extends past the fascia is also
adjustable to allow for standard gutters or box gutters with a
width of up to 200mm.
In conjunction with rafter strengthening brackets, channels
are fixed to the side of the house rafter (Figure 4). The
bottom end of the channel will be located at the base of the
house rafter. Holes should be marked and pre-drilled in the
channels to suit the location of existing holes in the bracket.
The channel will extend beyond the bracket so additional
holes are to be drilled in the channel at approximately
500mm centres.
Initially the bracket T piece shall be fixed to the bracket arm
with two M12 cup head bolts (hand tighten only), a spring
washer is to be located between the standard M12 washer
and nut (Figure 5). Mark the position of the bracket on the
fascia and notch a rectangular hole in the fascia allowing
the bracket to be fed through the front of the fascia. The hole
may need to be enlarged slightly if the M12 cup head bolts
interfere with the fascia.
5
BRACKET ARM
T PIECE
TIGHTEN TO 35Nm
TORQUE
M12 WASHER
M12 SPRING WASHER
M12 NUT
M12x40 CUP HEAD
BOLT
Insert the bracket through the fascia and fix with the
channel(s) to the house rafter using M12 hex head bolts
through the existing holes in the bracket and further up the
channel(s) (Figure 7). Adjust the T piece so it is horizontal
and has the appropriate extension past the fascia to allow
for fixing of the attachment beam. T piece connection bolts
are to be tightened to a minimum 35Nm torque.
Fix the bracket as close to the base of the gutter as possible
(recommended distance 10mm from lowest end of gutter),
as shown in figure 6.
The 150 attachment beam is to be fixed to the end plate to
ensure the carport roof sheets drain into the existing house
gutter (Figure 6).
