shown that patent glazing used in pitches above 15° will produce excellent
weather resistance. Pitches below 15° or where large volumes of water are
likely, can be achieved successfully by means of a larger bottom overhang
and additional sealing to the outer glazing bar cappings.
Our Skyline, Skyline Box and Rafterline glazing
systems all include external pressure caps and are the most suitable for low pitches. Discharges
from downpipes or other concentrations of water should not be allowed to
flow over sloping patent glazing. Separate drainage gutters should always