p1 cover_Layout 1 03/03/2016 16:26 Page 1 BRIEFING Windows & doors www.spab.org.uk Double Glazed Secondary Glazing Hand made by skilled Cabinet Makers, our double glazed secondary glazing is designed and produced to be attractive and sympathetic to your property and to improve the thermal efficiency of your old windows. A simple, but unique idea we are very proud to offer. Call now on: 01529 497854 Email:
[email protected] p3 contents_Layout 1 03/03/2016 16:27 Page 3 Contents 5 Introduction Douglas Kent, SPAB technical and research director BRIEFING 6 A valuable asset The case for retaining old windows and doors 8 Repair not replace Working with windows and doors 12 Thermal understanding An insight into thermal performance research Windows 14 Transparent beauty Singing the praises of handmade glass 17 Fittings and furniture & doors Preventing unwanted intruders while retaining history 19 Where new is necessary New window and door options for old buildings 22 Performance improvements Improving thermal performance without loss of character 27 Iron and steel Caring for metal windows and doors 30 Finishing first The need to select the right finish For further information about the organisations, research and policy documents mentioned in this Briefing, please visit spab.org.uk/briefing SPAB BRIEFING: WINDOWS & DOORS ISSN 2054-7684 Editor: Roger Hunt Design: Made In Earnest Advertising: Hall-McCartney Ltd Printing: Pensord The Society for the Protection of Ancient Buildings 37 Spital Square, London E1 6DY 020 7377 1644
[email protected] twitter.com/@SPAB1877 Cover: A Victorian facebook.com/SPAB1877 window, the original linkedin.com/groups/SPAB-4571466 glass is a vital component that adds A charitable company limited by guarantee registered in England and Wales.