4.1 – Rainwater collection and drainage systems – 6. Joints for compensation of thermal expansion in gutters 277 TYPES OF EXPANSION JOINTS IN GUTTERS: 1. Double-headed mechanical joint at the highest point of the gutter slope Positioning of the joint between the two heads. Detail of the internal gutter joint. Completed joint. Internal gutter joint in the construction phase. (to be completed with sealing tape and zintek® cladding) Alignment of the gutter using the tie rods. Elastic sealing tape: - polyethylene film; - butyl glue; - pre-cut silicone liner. 1 3 2 1b. Example of construction for external gutter with internal tie rod 1c. Example of construction for internal gutter 1a. Example of construction for external gutter with support gutter rafter brackets EXCERPT
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