30
CHAMBERED BOX GUTTERS
Assemble as much of the main Georgian (or vic) roof side of the ‘P’ shape as possible. CHECK THE PITCH. Ensure the full ridge is level.
Seperate the two part half ridge. REMOVE THE RAIN BAFFLE UPPER LEG. Fit the back section of the half ridge in position, level across
the PVCu top carriages (as shown), then secure to the host wall with anchor bolts suitable for the substrate. The first anchor to be
50mm away from full ridge, the second 250mm and then at max 600mm centres.
2
SECTION 8
Re-assemble the two parts of the half ridge,
ensuring that the front carriage is located
in the one of six possible positions. To do
this make sure that the original screw holes
for the self tapping screws line up. Ensure
the profile is fully engaged along its length.
Use screws provided at pre-set centres to
attach the two parts of the half ridge.
2
Next, pick up the aluminium valley section,
ensuring the under cladding location
barbs are slid into position. Then, offer the
valley up to the roof and locate onto the
captivated bolts in the ridge, half ridge and
eaves beam. Tighten the four nuts holding
the valley in place.
3
Re-fit the half ridge rain baffle . NOTE: If
glazing with 24mm glass units or 25mm
polycarbonate, the double leg rain baffle is
always set in the highest position.
4
SECTION 9
VALLEY INSTALLATION
Lay the butterfly cleat over the
two captivated roofing bolts,
one in the eaves beam and
one in the box gutter. Lift on the
Georgian hip bar at the eaves
and attach to ridge end.
Drill a 5.5mm hole and
then fix the ‘butterfly’
cleat into the head of
the eaves beam and
box gutter at the 90
degree corners using
the fixing provided.
Apply silicone to end face of box gutter
and point underneath adaptor back to the
undergutter trim. Fix end cap to boxgutter
using screw and cap cover supplied.
Seal the top and bottom edges of the box
gutter where it abuts the house wall. First
clip boxgutter undercladding into channel
against wall. Rock the cladding up until leg
touches aluminium carrier using screws
CRN009 provided.
Summary of Contents for Classic roof
Page 1: ...V18 January 2021 CLASSIC ROOF INSTALLATION GUIDE...
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