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So that's how they work. I was wondering if it was just a matter of letting the roof settle with the tiles on (and deflect a bit) before fixing it. You are right, better the truss move a bit than stress the wall. :shock: However now I am wondering how a moving roof structure, even just...

Constructing a new roof with raised tie trusses to make space for an attic room above 1.5 story walls. The truss manufacturers have specified using glide shoes to attach the truss to the wall plate. Using these does it mean that the truss will always be free to move horizontally on the wall...

While uPVC windows are installed with packers and a gap on all sides of the frame (which is finally filled with foam) to allow for expansion what is it best to do with uPVC doors? For the bottom frame (and/or sill) do you a) make level with packers and leave an expansion gap (just like...

Any suggestions for building a well insulated flat roof, u-value < 0.08 like the pitched roof? Filling the pitched roof loft with 500mm of mineral wool does the trick there, but it seems difficult to get anywhere near with a flat roof. Wanted to just stuff mineral wool into a flat roof...

I'm still concerned that a flat roof, with all the other sloping roofs discharging onto it, could end up as a paddling pool :? I think you are suggesting a flat roof something like this Facia in line or not, lifting tiles etc. with a roof lantern added if I want more light. Or is my...

Could someone give me some help with calculating the heat loss I am getting from my original suspended and ventilated timber ground floors. Given the u value I can do the rest, but I have seen such a variety of average u values for uninsulated timber floors quoted (from 0.7 to 4 W/m2K!) I am not...

Well drainage could be one reason. It seems to me that a flat roof would receive the rain water from that part of the 3 side rooves, and that does not sound good. Not convinced that box gutters are hard to maintain either, my experience flat roof is more of a maintenance head ache. I would like...

OK, I have my head around flat roof idea now, thanks. @Hardmetalking Steel box gutters were what I was originally thinking about. I have lived with a metal 4m long box gutter on a conservatory for 10 years and it works just great. It is attached along its length to a parapet wall, leaded in...

Thanks everyone, flat roof does seem to be a consensus. Presumably that is below the eaves level, and sloping very slightly away from the house. I'm not kean on flat roofs but will give it some thought.

I am hoping to add a pitched roof porch to an uneven U-shape bungalow. My idea is that 3 sides of the porch are formed by the bungalow walls, closing in part of the "U", but not sure how this will work because of the eave overhang of the bungalow roof. A 3D view of the bungalow may help here...

OK, so removal of PD (actually just those things covered by Part 1 of the schedule) means that you have to get permission for everything, but what exactly does that include? Is there a document somewhere that says exactly what details are considered planning issues? For example the approved...

I am considering purchasing a site which has conditional permission for the construction of a house, and would like some advice on what aspects of the submitted plans are legally binding or likely to be enforced. This is more important as one of the conditions removes the permitted development...

Oops, bad place for a typo. :oops: Yes Document J for fires! Richard we agree on doing a good quality, safe job to the regs etc. But I question the current paranoia for getting bits of paper from the council. For example my house was built in 1929 with fireplaces, and I have not added or...

Some of the replies seem to be over alarmist to me, let's have a bit of common sense shall we. Installing a woodburner isn't rocket science. Foamit have a look at Approved Document K, and evaluate honestly if your installation complies. If it doesn't then correct it and you will have a safe...

Yes Floor2do, as I said before, I will have a structural engineer certify any work before it is done. But I want to know what size of room/storage I can reasonably expect before I commit to a loft contractor and get these calcs done formally as part of the package. There is lots of good...