A.
The rectangular
lumber for roof
ridge and corner
ridge shall be installed
50mm higher than
the rafter on the
top of the rafter.
(Picture
1-1)
ridge syetem
job
1-2. Eave
flashing rectangular
lumber work
A.
In case eave flashings
are used for the
eave work, the rectangular
lumber shall be
installed to be
extruded as high
as the floor board
above the rafter
as shown in the
picture.
B. In case you
want to hide the
eave trough so that
it can not be seen,
produce and use
special broad eave
flashings as shown
in the picture.
(Picture
1-2.a) fascia finishing job (Picture
1-2.b) Fascia
with gutter
1-3. Eave
flashing rectangular
lumber work
A. Prior to metal
roof tile work,
you should decide
on the length of
the eave trough.
2-1. Rectangular
lumber work of valley
area
A. The eave trough
of the valley of
the roof shall be
made of copper plate.
The size of the
eave trough may
differ depending
on the shape of
the roof. The size
of the rectangular
lumber of the valley
shall be 75mm x
40mm. It should
be installed at
least 12mm~20mm
extruded from the
truss and its edge
shall be nailed.
(Picture
2-1)
rainwater collecting
system
2-2. The typical
shape of the valley
A. Lift the eave
trough of the valley
30mm higher from
the eave edge of
the wall so that
water can flow into
the eave trough
at the end of the
eave.
(Picture
2-2) valley
job
3.
Work for the place
which is connected
with the wall
4.
Work for the ridge
of the roof
3-1. The finishing
work of the vertical
wall
A.
After bending the
finished edge of
the metal roof tiles
above the wall,
you shall finish
the wall with the
side flashings as
shown in the picture.
(Picture
3-1) side finishing job
3-2. Work
for connecting the
wall with the sloping
roof
A. The sloping
roof connected with
the vertical wall
shall be finished
by laying the roof
tiles, which have
been bent upward,
below the wall plate.
(Picture
3-2.a)
wall with
sloping roof
B. In case you
finish the wall
with the side flashings
by matching the
length of the rafter
with the layers
of roof tile, you
shall bend the side
flashing below the
wall plate and match
the edge of the
flashing with that
of the roof tile
as shown in the
picture.
(Picture
3-2.b)
wall with
sloping roof
3-3. Double
sloping roof
A. When the degree
of the sloping roof
changes because
of changes in the
roof line, you shall
install roof tiles
after the rectangular
lumber work as shown
in the picture.
If it is difficult
to adjust the number
of roof tile layers
because of the degree
of the roof slope,
you may cut roof
tiles for matching.
(Picture
3-3.a)side flashing job with wall
A. The roof ridge
and the corner ridge
shall be finished
with special types
of ridges as shown
in the picture.
When you finish
the roof with the
C-type roof ridge,
you shall have the
double-layers of
the roof ridge rectangular
lumber and install
the roof ridge on
top of them.
