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hi, i need to create an opening from a first floor extension into the existing house. the existing ceilings are elevated (2.4m not vaulted exactly, but the joists were fitted above wall plate level. the new ceiling will be at wall plate level, 2.1m). my problem is, the the height of the door...

hi, for our first floor extension we have decided to change a hip roof into gable end, which will give us more space to use in the loft (not habitable). planning have given us verbal approval subject to the consultation period. for the hip roof we were advised that the structure could be built...

hi, i am building an extension onto a 260mm wall (old building regs: 100mm block, 60mm cavity, 100mm block) and need to fit 2 windows into it. standard full lintels are the metal type for a 300mm wall. so would I use 2 x 100mm concrete lintels? Do they need to be tied together or just fitted...

Hi, I am building a small extension on top of an existing kitchen (flat GRP roof) and have been advised by the structural engineer that I should increase joists from 6 x 2 to 7 x 2 (span is 4m). The question is: do I need to remove the existing joists or can i just place new joists in the...

Hi, just a quick question... For a block and block wall (it will be built above an existing kitchen), my QS has given me a breakdown which has included 'cavity tray using 600mm DPM - 1 roll'. Does this mean the builder simply lays a layer of DPM at the beginning of the build, on top of the...

Hi, I am refurbishing my loft and I believe I need to strengthen the joists before I put t&g chipboard flooring down. The open space will be used as a kids tv area and a bit of storage, so nothing heavy duty. As you can see from the attached pics, there are 4 x 2 binders laying across the 4 x 2...