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hi all, i'm nearing the first floor stage with my extension, and i am wondering how is best to attach the 200mm floor joists to the existing house wall. i've searched the forum, i think i've found two main methods and i'm unsure which is best. 1 - attach a lenght of 50 x 200 along the...

i was just wondering what you guy's would recommend i do about concreting around my kitchen waste pipe that comes up in the corner of the new floor. do i just dpm and insulate up to the walls as per normal and simply box it off before conrete? or are you allowed to concrete round the pipe...

i'm starting to build the walls on my extension, i'm not up to dpc yet but after looking on forum i have a few queries as to what cavity size is best? my architect put plans in for 100mm light concrete external block, 50mm cavity and 150mm light conc interior wall with 35mm celotex in cavity...

I recently poured the concrete into my 1m footings for a 2storey extension. i only put in about 500mm as i was limited by my foul drain pipe (cannot be moved unfortunately). there is a slight fall in the level of the concrete, about 1.5inches over the the 5m length. the correct/high the drain...

hi all, i've had some plans drawn for a rear 2 storey extension which will be 5m wide and go back 2.5m. the extension will be built between my neighbours external wall(he has already extended) and my garage wall. the plans show that i will have a strip foundation for the 5m cavity wall...