Sloping sites January 19, 2011, 10:40 am Already a member? Click here to sign in. Total 0 Shares Share 0 Tweet 0 Share 0 See more Previous article Home and Dry Next article Insulation: getting it right on site Written by Leslie O'Donnell Les is an engineer and architectural designer who runs Landmark Designs, a CIAT registered practice in Co Tyrone.