The gutters are fabricated on site by coiled aluminium sheet, roll-formed
on an American Knudson Gutter forming machine. Seamless runs to exact
site measurements are formed at a rate of 9 metres per minute up to
the maximum length, which can be handled conveniently on site.
The formed gutter is lightweight and rigid – three men can
easily place a 30-metre length in position.
Concealed brackets at 600mm – 750mm centres are screw-nail
fixed to timber, or riveted on to asbestos fascias. The pre-formed
aluminium corner and stop end units are fixed with pop rivets and