Roughcast or pebbledash is a coarse plaster surface used on outside walls that consists of lime and sometimes cement mixed with sand, small gravel and often pebbles or shells. The materials are mixed into a slurry and are then thrown at the working surface with a trowel or scoop.

Is roughcast the same as stucco?

And the cladding type 'roughcast' may also include rendered brick, traditional stucco or rendered concrete not just exclusively plaster cladding.”

Which cladding type has a higher risk of leaking?

Houses identified as having a high risk of leaking are those built in the Mediterranean style (without eaves and with flat roofs), using monolithic cladding systems. They usually feature textured wall surfaces made out of plaster over polystyrene or fibre-cement sheet.