SERS is a leading UK contractor of external wall insulation (EWI) for high and low rise properties across the country, transf ... orming lives and communities for over 25 years. As a market leader in the installation, repair and maintenance of external wall insulation, SERS is one of the UK's largest and most experienced contractors having installed solid wall insulation to over 35,000 homes. Working with many large local authorities, housing associations and main contractors, SERS' independent project support provides tailor-made solutions including structural surveying, funding solutions, system specifications, programming and compliance validation. We can offer free technical surveys to help with the design and pre-budgeting of projects. This can encompass system/design proposals, U-value/thermal performance calculations, funding proposals and indicative pricing. read more