RAKU expansion joints
RAKU expansion joints are ready-to-install expansion elements for flat roofs, roof drainage, roof edge connections and masonry and cornice copings. Temperature-related length changes are compensated by highly elastic, durable rubber.
The RAKU endless tape, RAKU gutter expander and RAKU head expander are differentiated here.
Installation examples of endless tape
Endless tape in internal gutter
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Endless tape in masonry coping
Installation distance: 8 m (aluminium 6 m) / half length from corners and fixed points
Endless tape in box gutter
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Endless tape in shed gutter
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Installation examples of gutter expander
Gutter expander with facework
Installation distance: 10 m (aluminium 8 m) / half length from corners and fixed points
Gutter expander without facework as insert tape
Installation distance: 10 m (aluminium 8 m) / half length from corners and fixed points
Installation examples of head expander
Single-head expander in wall junction
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Minimum support on roof of 500 mm
Single-head expander in parapet wall cladding
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Minimum support on roof of 500 mm
Single-head expander in gutter bed
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Minimum support on roof of 500 mm
Dual-head expander in internal gutter
Installation distance: 6 m (aluminium 4 m) / half length from corners and fixed points
Minimum support on roof of 500 mm