What is the mix for pebble dashing?

1 part OP Cement : 1 part hydrated lime : 5 or 6 parts sand mixed with water and plasticiser and waterproofer as recommended. Use white cement to make white mortar for top coat if required and always follow manufacturer’s instructions for use of plasticisers and waterproofers.

Is Harling the same as rendering?

Harl, being mostly lime render, cures chemically rather than simply drying. After this setting process, the harl is sometimes lime washed in a colour using traditional techniques.

How do you make pebble dash look good?

How do you modernise pebble dash? Pebble dash can be modernised by painting, but this is a very work-intensive task. One other way to modernise a pebble dash wall is to install 20mm external wall insulation boards over the top of the wall and then either apply a coloured render over the boards or render and then paint.

Is rendering the same as roughcast?

Compared to smooth render, roughcast is particularly advantageous in exposed districts because its heavy texture creates a larger surface area that aids moisture absorption and evaporation. Additionally, the application method allows use of a mortar mix less prone to shrinkage while curing.

How long should Harling last?

It is estimated that this will take seven to ten years, after which the box will be removed.

Is Harling the same as Pebble Dash?

Whilst many people will assume pebble dash is just another name for harling or roughcasting there is a subtle difference in that pebble dashing only used washed pebbles in a lime free mortar mix. The result is a very hard durable finish but over time is more likely to crack and therefore need replacing.

What is the best type of render to use?

Acrylic rendering is a more preferred option to cement rendering in many instances due to its increased flexibility, as it is less likely to crack and is more durable. It is long-lasting and offers protection against UV rays and water damage to walls.

How do you modernize pebbledash?

Is Harling the same as pebble Dash?

What is the purpose of Harling?

Harling (or roughcasting) was originally applied to rough stone walls to protect them from the Scottish weather. It consisted of lime mortar mixed with small stones or shells being hurled or cast against the wall and produced a rough textured finish. Lime wash would be applied every few years to help seal small cracks.