Thermoshield John Rishton, specialise in double glazing, replacement windows, doors, patios, conservatories, PVCU windows and French doors along with maintenance work. With over 30 years experience, I offer a friendly, efficient, no hassle, quality double glazing and conservatory service. For Replacement Windows in the Grange over Sands, Milnthorpe, Arnside, Burton and Holme, Kendal and the South Lakes, look no further!