EWI Render Heighton By Robertson Property Services on 17 May 2022 in Insulation, Latest Work, Render, Rendering Here are some images and a video of a job we completed in Heighton, near Darlington, Co Durham. The EWI render job in Heighington included 90mm EPS insulation board to 130m2 with the other 100m2 of the house render only. Continue Reading