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When installing the FX.12 roof panels, no angular fold may lie directly over another, a lateral offset of at least 220 mm must be observed. When combining large and small FX.12 panels, the joint of the first panel must be started in area “X” for each new row (see figure below).
After an opening (window, chimney, etc.), the joint of the first panel must be at a multiple of 700 mm from the joint of the last one placed before the opening.
Note: The panel spacing must be transferred for the starting row. For each additional row, it is sufficient to maintain the joint offset after opening.
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