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Hello, I want to put in 3m bifold doors in a garden room. The construction is block and render with flat roof. Currently trying to work out what type of lintel is best for the bifold doors. I guess there are 3 options: 1) RSJ (is 127x 76 x13 sufficient?) 2) Flitch beam (8x2 joists with 8/10mm...

Looking for some advice on planning permission and building regulations for a covered walkway/lean to for a friend. She applied for planning permission for a side return extension with a door at the front of the house which was approved. I think the council said the door had to be glazed as...

Hope someone can help advise if this ok. Electrician has wired 2.5mm circuit for oven, washing machine, tumble dryer and dishwasher. I just bought an double oven that is 5.1kw. Is it ok to have this on a 2.5mm circuit with the other appliances? If not, what is the best option? 1) change to...

My SE has specified a steel beam 152x152x30 with 10mm plate welded to top and bottom flange. This is support a clear span of 1.8m for a patio door. In their calculations, they said the load on each bearing is 33.8kN so total load is 67.6kN. From what l have tried to understand about how to...

Hello, We are building an 2 storey side extension which is 3.8m x 6.5m using solid wall construction (celcon foundation blocks). On the ground floor, we are building an internal wall using blocks. On the 1st floor, the side wall is spans the length of extension without any internal partition...

Hello, We are building an 2 storey side extension which is 3.8m x 6.5m using solid wall construction (celcon foundation blocks). On the ground floor, we are building an internal wall using blocks. On the 1st floor, the side wall is spans the length of extension without any internal partition...