Installation Guide

gutters and downspouts
Planning, Measuring and
Available Systems
Determine the lengths of gutters
necessary. Minimize seams by
selecting from various gutter lengths
available.
Determine the number of accessories
necessary.
Calculate the number of downspouts
necessary. The number and place-
ment of downspouts used determine
the water carrying capabilities of
a gutter. Use the following guide
to calculate the proper amount of
downspouts:
• a2"x3"downspoutwillcarryan
average rainfall amount of 600
sq. ft. of roof area
• a3"x4"downspoutwillcarryan
average rainfall amount of 1,200
sq. ft. of roof area
gutters and hangers
83