Gutter comprising lower part and removable upper part, has supports provided between middle of upper part and base of lower part

摘要

Supports (3) for the middle of the upper part (2) are provided between the latter and the base (11) of the lower part (1). The supports are fixed to the upper or lower part and comprise a profile with an approximately U-shaped cross-section. Flow holes (32) are provided in the web of the U. The lower part has an approximately U-shaped cross-section. The upper part contains flow holes.