User Guides

How to choose a suitable paint which will allow lime render to breathe. Many problems in the past have been caused by applying a 'plastic' masonry paint to a lime render. A 'plastic'...

What is limewash used for? Traditionally limewash was the principal finish applied externally and internally to historic buildings, quite often applied directly to the masonry or brickwork and...

The lime coating known as harling or wet dash is the most commonly applied external finish to be found on vernacular architecture in Ireland. The harling material is a combination...

There are various types of walling material depending on the subsoil in your location. Cob is a term often used to describe the clay and straw mixes mainly found in West Country. In the Wessex...

Below are some of the questions we frequently get asked. If your question isn't answered below, please give us a call on 01794 884294 and we'll be happy to offer you further advice and guidance....

What is the difference between hydraulic and non-hydraulic lime? Limes when used in building can be categorised into two types, either hydraulic (Natural Hydraulic Limes) or non-hydraulic...

A conventional cement mixer can be used to mix hydraulic lime plasters. However, for larger projects a roller-pan or paddle-mixer is preferable. Lime mortars mixed in drum mixers are prone to...

Animal Hair when added to lime plaster helps binds it together and gives it additional tensile strength. The most commonly used is horse hair or goat hair which is usually about (2-3...

Lath and plaster is a building technique used mainly for interior walls in period buildings. A lath is a narrow strip of wood approximately 2 inches wide which is nailed horizontally to each...

Analysis of Original Mortar. Before carrying out re-pointing work on historic buildings or structures, determine the type of mortars used in the original building phase. Make sure...

Preparation of the Wall Surface The successful application, bonding and correct hardening of lime plaster/render requires that the background should be clean, free from vegetation, free of...

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