Chris Mills
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Sorry not been on for a while been busy on the garden and cycling over the alps. So much to do! Got the roof lantern in. Looks good. So much light!! I have now got to knock through from the extension where the the roof lantern is into the dining room. This wall is the external wall of the house. My question is, the architect has said I need padstones 750mm deep?? Ive have got two I beams to sit on each wall skin with the cavity in the middle. He says it's best to make some shuttering in situ and pour the concrete in?? Which seems extremely awkward to me. 750 mm pad stone seems very excessive to me and everyone I've mentioned it to. Feeback would be welcome. Chris
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The flat steels were put inbetween the old roof joist and a new one I added at each end of the opening. 6 inch bolts held it in place. The other steel is for an external wall because we are knocking through from an extension into the main house dining room. Thanks for reply
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Yes approx 4m or just under. I recently reinforced a flat roof in prep for roof lanterns. My dad sourced the pair of steels which were approx 2.7m long by 150mm wide and 14mm steel with 8 holes in each. They cost 150quid for the pair. I though that was a tad expensive? He got them from the Forest of Dean where price comp is lower. Anybody know how much roughly the steel in my last post will cost? much appreciate the advice guys chris
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Moved in to our house in dec.Its not s major project but there is plenty we want to get how we want. We are currently doing a roof lantern in a flat roof which we are going to fit next weds. After that I intend to knock a wall out from the dining room to the room where the roof lantern will be. We have architect drawings and planning for a further extension to the back of the house. I intend to do most of the work myself with the help of my dad who is a carpenter. The wall I knock out obviously needs RSJ to support. I have the architects drawings with the structural calculations which I don't quite understand. Would anybody know what these numbers mean? B1 2/203* 133 UKB 30s.
