637 weight (kg) 62 weight (kg) 62 weight (kg) 66 weight (kg) 66 50 50 10 30 90° 30 10 90° 50 50 50 50 10 30 135° 30 10 135° 50 50 135° External 135° Internal 90° External 90° Internal corners 30x10 1 3/1 3 4 edge courses width 10cm edge courses
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