582 50 50 20 20 90° weight (kg) 70 20 20 90° 50 50 weight (kg) 70 50 50 20 20 135° weight (kg) 80 20 20 135° 50 50 weight (kg) 80 135° External 135° Internal 90° External 90° Internal corners 20x20 2 5/15 4 edge courses width 20cm edge courses
RkJQdWJsaXNoZXIy MzI0NDM=