The Lacken Stone from Mayo Building Stone Randon Rubble supplied by www.wesellstone.com is of a high quality and unique character. It is quarried in the northerly tip of Mayo near the village of Killala. Lacken Stone is a sandstone. It is primarily a biscuit coloured stone with a grey vein running through it. The Lacken Stone from Mayo Building Stone Randon Rubble uses stones that are not squared, but are of irregular sizes and bedded on mortar or other suitable bedding material. It takes time and practise to “do” Random Rubble in the traditional method.
Before you attempt to start and build Random Rubble, have a good look around at the old stone walls, such as those found on old farm houses, country churches and boundary walls. These will give you a general idea of the style and type of stone used.