Design Buy Build Issue 31 2018 - Page 24

HERITAGE COB & LIME T here is nothing new about lime mortar, it has been around for thousands of years since before the early Egyptians. The properties of lime mortar have long been recognised for being a strong, flexible and permeable building material, and family run business, Heritage Cob and Lime based in Bideford, North Devon, have seen a steady increase in both clients and other builders wanting to know and understand more about the use of lime mortar. With a client base that stretches from Scotland right down through to Devon and Cornwall, the company’s mortars and bespoke plasters are in great demand. Sarah Rawle heads up the manufacturing side of the business and she explained, “Our non-hydraulic lime (fatty lime mortar) is slaked from premium Buxton quicklime and matured for a minimum of 4 months, and forms the basis for all our pre-mixed lime mortars and plasters.” The company has a list of famous landmarks that it has supplied mortars to, including Buckingham Palace and Windsor Castle. As well as manufacturing, the company stocks all traditional building materials, including cob blocks and a new, innovative clay and straw block called a Strock. Working alongside Sarah is father David Rawle, senior partner and consultant to the business. Mum Sue Rawle assists with building quotes, consultations as well as the mar