Block steps or slip-resistant aluminum doorstep or natural stone window sill?

have a wooden terrace and built it into the recess. looks good.

Hello

at the stonemason there are blocks of granite. Exactly the dimensions you specify.
The Chinese granite costs little and is indestructible. Just damn heavy.

Steven

Is the house already finished? Important: your GU should think about it. Insulation is NOT walkable. Cold bridge-free anchors must be installed in the facade, the insulation must then go over it. Everything else causes problems.