You Know About Glass Roof Designs This is a roofing material composed entirely of glass. Tempered or laminated glass is typically utilised for installation. If you are thinking of house extension in South London , then you must also think of glass roof designs. Here are the 5 things you need to know about glass roof designs: 1. Ensure that your walls can sustain it. This is self-evident that the larger the glazed surface, the more glass is there, and this may become rather heavy. Your structural engineer can tell you how much weight your walls can withstand. Steel supports are required on either side and above an opening, such as an external door, or if the roof is very heavy. To keep a certain degree of insulation, new expansions are built using a cavity wall. This is advantageous for your glass roof since the hollow may conceal a steel column if one is required. 2. Make sure you can clean it. Glass roofs require a minimal slope - the absolute least is 1% - so that rainfall ...