DIY conservatory design and build - queries.
I'm going to build a conservatory outside our kitchen extension. It
will be a lean-too configuration supported on two sides by the existing house and will be 4m by 3.5m. I have two design limitations that I can see at the moment. The first is that the gutter height of the house is only 2.5m. To overcome the lack of head room this is going to give, I intend building the frame of 50mm box section galvanised steel. At the moment I can't see any problems with that - anybody got any comments? The second is that the structure will include two bedroom windows and correspondingly I intend to do the conservatory roof in glass to reduce the light loss from those rooms. This is where the questions come! 1 Do I use double glazing and what what weight of glass will that involve ? 2 I can calculate the structure deflection but what deflection will the glass tolerate? My current guesstimates of weight show a 2mm deflection on the 3.5m sloping length of the structure (and that includes 3" of wet snow). 3 What angle should the roof be at? Thanks for any help Rob |
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