Figure 4-11-Flashing at the intersection of an exterior wall
and a flat or low-pitched roof.
flashing. When building paper is used on the sidewalls,
it should lap the top edge of the flashing. To protect the
walls behind the window sill in a brick veneer exterior,
extend the flashing under the masonry sill up the
underside of the wood sill.
Flashing is also required at the junctions of an
exterior wall and a flat or low-pitched built-up roof (fig.
4-11). Where a metal roof is used, the metal is turned up
on the wall and covered by the siding. A clearance
should be allowed at the bottom of the siding to protect
against melted snow and rain.
GUTTERS AND DOWNSPOUTS
Several types of gutters are available to carry the
rainwater to the downspouts and away from the
Figure 4-12.-Parts of a metal gutter system.