Introduction to Traditional Harls & Renders

This introductory course will give those who own or are responsible for a traditional building an understanding of traditional external finishes when considering the repair or reinstatement of harls and renders. The course will help attendees to identify a variety of lime render finishes and to understand the different approaches and options for repairs.The practical element of this course will cover a range of backgrounds and include undertaking small ‘patch’ repairs to existing finishes. Both hand cast and mechanical applications will be demonstrated and attendees will gain an understanding of a range of surface finishes that can be achieved. Click here to download PDF copy of the course description (41.6 KB)  

Course Suitability

This course is aimed at those who own or are responsible for a traditional building and those new to undertaking repair work to traditional masonry structures. We are always happy to help learners choose the right course. Please contact us if you would like to discuss which course is suitable for you.

Course Outline

• Determine background stone type and appropriate preparation requirements;
• Background Preparation including removal of cements;
• Applying harls and renders- taking into account the building details, location, exposure and environment;
• Scheduling work - season of working, choosing appropriate access and application method, scaffolding and protection regime;
• Determine application techniques by hand or mechanically, coat thickness, successful bonds between coats and ensuring flat work;
• Explore different types of surface finishes including flattened, textured and lined out finishes.

Book courses

Other sources of funding are also available.
To find out more click here.

Please note: The Scottish Lime Centre Trust reserves the right to withdraw or modify any course being offered. In the event of a programme being withdrawn, we will try to find suitable alternatives.