Roughcast or pebbledash is a durable coarse plaster surface used on outside walls that consists of lime and sometimes cement mixed with sand, small gravel and often pebbles or shells. [1] The materials are mixed into a slurry and are then thrown at the working surface with a …

Roughcast, when made up using traditional lime mortars, and correctly applied, is an excellent form of render. The development and use of natural hydraulic limes (NHL) in the mix has removed the need for cement.

Jan 19, 2019 · Roughcast is a type of wall plastering material used to create an attractive and durable finish on external walls. It is typically composed of sand, cement, and lime mixed with small stones or gravel to form a textured surface.

How i wet dash render aka roughcast the wetdash mix ratios all given the scratch coat of sand and cement given the butter coat given every detail and stage talked bout and demonstrated as much...

Roughcast (also called ‘wet-dash’ in Cumbria and ‘harling’ in Scotland) is a render with a coarse finishing coat containing gravel thrown in a premixed state onto a wall. It is distinct from pebble dash (or ‘dry dash’) in which the aggregate is applied separately onto wet plaster.

Jun 8, 2008 · Apply a thin coat of render (cement/sand/lime) to a few square meters at a time, as much you think you can apply the roughcast to without it going dry. Then apply the roughcast or splatterdash as it's sometimes known directly onto this base coat. The mix for the top coat (roughcast) is 4 chippings/stone/ 2 sand, 1 cement and half of lime.

What is Roughcast? Roughcast (also known as wet-dash or harling) is a render that already has the stones mixed in with the mortar before applying it. Despite its name, roughcast generally results in a smoother finish than pebbledash, although it has a rougher texture than other renders.

Aug 29, 2023 · Roughcasting is a more coarse exterior finish compared to rendering. It’s also known as pebble dash or roughcast plaster. Roughcasting materials are usually mixed on-site and applied in multiple layers until the desired texture is achieved. Here are some common types of roughcasting materials:

Aug 7, 2024 · What is roughcast render? Roughcast ing is a traditional style of textured render. It can also be called ‘wet dash’, ‘harling’ or ‘spray textured’. It originally ha d a coarse finish by adding aggregate to a typical mix of lime, sand, cement, and water.

Oct 8, 2024 · Rough cast finish is a method of finishing exterior walls that involves the application of a wet mix of majorly sand and cement by spraying to create a rough exterior. It is actually considered a type of plastering. It is perfect for residential use, cottages and echoes a technique that belongs to a time gone by.