https://www.pilkington.com/en-gb/uk/householders/replacement-conservatory-roofsReplacement Conservatory Roofs You may not realise it but simply replacing your plastic conservatory roof with a new glass roof, incorporating Pilkington Activ™ Self-cleaning glass, will have a tremendous effect on the way your conservatory looks, feels and sounds. It will transform your conservatory from a cold room only used in the summer into a wonderful and useable extension to your home ...