Hard fine-grained altered dolerite. Durable and robust with excellent weathering qualities. This material is very similar in looks to a green slate but much harder.

Altered Dolerite

Light to dark Green

0.47%

1.30%

2778 kg/cu.m

25.1mm. Intensive use

Dry:207 MPa. Wet: 145 Mpa

Pass. Pre 207 MPa. Post 180 MPa

Honed. Wet 39: Dry 61. Flamed finish recommended

Dry 31.04 MPA. Wet 23.60 MPa

1500 x 600 x 400mm

Bulid faster...

http://www.brikmat.com/#/sir-robert-mcalpine/4524572886