525 weight (kg) 92 weight (kg) 92 weight (kg) 115 weight (kg) 115 50 50 30 20 90° 20 30 90° 50 50 50 50 30 20 135° 20 30 135° 50 50 135° External 135° Internal 90° External 90° Internal corners 20x30 3/20 type IF1 4 edge courses width 30cm edge courses
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