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Hi Guys, I am having a loft conversion done. The insulation is going in between the 170mm rafters. 150mm Celotex and 20mm gap for breathing. Do I need a Vapour Control Layer on the inside? Some polyethylene sheet before attaching the plasterboard? Thank you

Hi Guys, Having a dormer built in the loft. Due to the height limitations need to go with a Hybrid roof. Where does the Vapour Control Layer (vapour barrier) go in this scenario?

Hi Guys Planning a loft conversion, the Architect's recommendation is to place the ensuite loft bathroom on the opposite side of the house from the boiler and the waste pipe. Is this OK to do, are there any implications of doing this? Can the pipework just runs under the loft floor? Or does it...

Hi guys, Toilet Flexi waste pipe is leaking, the toilet water tank and pipework is boxed in. What is the easiest way to replace the waste pipe without removing the box and all the tiles on plywood? Thanks

Hi Guys, I will be insulating a garage wall. It is a brick wall, I will screw 2"x 2" studs to the wall and then will attach Cellotex and the plasterboards to those studs. See picture. Do I need a vapor control layer in this situation? Maybe between the plasterboard and Cellotex? Thanks

Hello, Doing a garage conversion, Building Control wants a lintel foundation in the garage door opening. I did the excavation, and the footings are at the different depths, the wall next to the house has a deeper footing than the opposite wall. What is the proper way to approach this, how do...

Hi Guys, Need to add a new rain water pvc pipe into the existing drain. The existing drain looks to be made from clay (see photo). The new pipe is coming from the side of the drain and needs to be buried. What is the easiest way to do this please? Thanks

Hi guys, Building Regs say the flat roof skylight must be at least 150mm from the roof level. But I saw many many installations where it is much lower, up to 50 mm from the roof level. Is it ok to make a smaller upstand? Thanks,

Hi guys, Are there any special considerations when installing a skylight on a cold flat roof? Is it just building an upstand, insulating it between the timbers and covering with plasterboard? Or do I need to do anything else for the ventilation purposes? Thanks

Hi Guys Is it ok to drill a few 10-15mm holes in the 50mm battens which are placed for the ventilation in a cold flat roof? To improve ventilation. Thanks

Hi Guys, Doing a garage conversion. Will need to install a window instead of a garage door, see photo. Do I need a foundation for this new brickwork? There is a concrete slab in the garage about 6" thick. Can the brickwork go on top of the slab? Thank you

Hi Guys, Is it acceptable to nail down the joist hangers for a new flat roof to the existing wall plate? See photo. The joist hanger straps will be at an angle as the internal brick leaf is higher than the external facing leaf. Thank you

Hi Guys, Could you please recommend the best way to connect new cold flat roof rafters to the existing pitched roof. See photos. I am thinking 1. Remove a couple of raws of tiles 2. Remove the top course of the facing bricks 3. Lay a 2"x 3" wall plate on a mortar bed in place of the facing...

Hi Guys, For a timber frame extension, how do I fix the Soleplate to the concrete blocks through DPC? Do not want to compromise DPC to avoid damp problems. Have seen similar posts, but they are quite old, perhaps the regulation have changed? Thank you

Hi Guys, I live in a detached bungalow, my neighbour's side windows are located opposite my bathroom and toilet and his windows are not frosted, i.e. normal clear windows. So he can peep at us taking a shower. He has a detached bungalow as well. Is this legal, should his side windows be...

Hi guys, Building a timber frame extension. Trying to figure out the best way for the beam and block floor detail. Which option do you think is better, or maybe ther another better option? See attached drawing

Hi Guys, My flat roof on the extension will be starting under the soffit/fascia of the existing roof. Need to go as high as possible because of the ceiling height in the extension. What is the best way to do this? Should I remove the gutter completely? Or just do it under the soffit? Any...

Hi Guys, Building an extension. Is it normal to have a new extension foundation 20 cm higher than the original house foundation? See attached drawing. Or should it be level with the existing house foundation? Structural engineer specified a minimum 40cm from the foundation to the ground...

Hi Guys, Does anyone have a detail for: foundation to concrete block, to beam and block, to timber frame wall? With a normal brick wall it is straightforward, a wall with cavity, beams sit in the internal brickwork. But with the timber frame, I do not need any cavity. Do I just lay concrete...

Hi guys, Building an extension, wanted to do a screed floor, but was told by a Structural Engineer that it needs to be beam and block as it is sitting on clay. Need to save ceiling space, are there any alternative floor types I can do on clay? Thanks