1.rusty slate(calibrated) 30 x 15 x 1-1.2 30 x 30 x 1-1-2 30 x 60 x 1-1.2 40 x 40 x 1-1.2 60 x 60 x 1.5-2 2.black slate (calibrated) 30 x 15 x 1-1.2 30 x 30 x 1-1-2 30 x 60 x 1-1.2 40 x 40 x 1-1.2 60 x 60 x 1.5-2 3.green slate (calibrated) 30 x 15 x 1-2 20 x 40 x 1-2 30 x 30 x 1-2 30 x 60 x 1-2 40 x 40 x 1-2 50 x 50 x 1-2 60 x 60 x 1-2 4.black slate (covering roof) 30 x 20 x 0.4-0.8 40 x 20 x 0.4-0.8 50 x 25 x 0.4-0.8 60 x 30 x 0.4-0.8 Some of[...]