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This ought to be a quick one for someone. My Worcester Bosch combi (24cdi, I think?) boiler is getting a little long int the tooth, but I'm going to keep her going for another season or two. Right now, whenever the DWH is on (specifically, noticed when the shower is running), the rads heat up...

Hi, I'm weighing up adding some extra studs in my timber construction garden office to help stabilise the plasterboard verses the thermal bridging that will cost me. At present I have (from outside) 20mm british cedar cladding 25mm treated battens to hold cladding vapour membrane 18mm...

Hi, I wonder if anyone can zip me a quick reply to this? I'm buying a couple more boxes of Turbogold 6x80 / 90 mm screws from screwfix - they're BRILLIANT screws compares with some of the other rubbish I've used. They have lovely deep recesses for the driver bit and HARDLY ever slip when...

Just want a sanity check on this... I've seen various diagrams showing the installation of celotex td4126 etc (~100mm insulation with 5.5mm ply, you know the stuff). Most of them show it fixed directly to the joists and some of them show it mounted on board. My question is: mounting the...

I'm building a timber garden office and have my footings all built, beafutifully level and square now! (hooray). My joists are seated on top of a ring of high density blocks with the joists about 300-400mm above soil. (I've compacted it down too, just to make it easier to work there) The...

After an age hunting down what was occasionally tripping my RCD, I found that the culprit was my dishwasher, a Bosch Logixx slimline. It had occasionally not drained properly, and seemed to improve after cleaning the filters etc. Now, it seems to be tripping the RCD when it's about 45 mins...

What fixing methods are recommended for fixing Celotex to the roof deck on a flat warm roof? I guess the vapour barrier will be stuck down with an adhesive on the OSB. The Celotex on top of that. I've seen some helical fixings, but I'm a little unsure about those and I don't see a lot of...

Designing my garden office roof. Warm deck, flat roof 10deg pitch 6m by 6m. Now, looking at the sizes of OSB verses the Celotex I want to put on the top of it, I'm noticing that generally the size of OSB is 1220 x 2440, which is going to set the spacing of my roof joists. But then when I come...

I think I have my design for the warm-deck flat roof on my garden office worked out but would like to get some opinions from the various experts here (thanks, all for the great advice so far). The roof is 6m x 6m, with a suitable slope for run-off. So, here's what I have so far working...

I'm building a garden office, and have just changed my mind in the insulation for the exterior wall design from 100mm rockwool to 50mm celotex (I can explain the thinking later, when I've gotten to the bottom of this question)... So, Wickes sell 50mm celotex, okay price, but nowhere in their...

I just read with some interest the thread: //www.diynot.com/forums/building/new-project-garden-office-research-stage-help-needed.313707/ In which mointainwalker advocates using 100mm fibrewool insulation over 50mm celotex. I was VERY interested to hear that it gives a better...

(Also posted in Plumbing... but probably more suitable here in Building) I'm constructing a garden office and would appreciate a little advice on spec for a waste pipe from the installation to the nearest foul junction. The junction is on my property and about 20m from the location (straight...

I'm constricting a garden office and would appreciate a little advice on spec for a waste pipe from the installation to the nearest foul junction. The junction is on my property and about 20m from the location (straight line, no bends needed in the run). There's a nice gentle incline down...

What would anyone normally quote for the LABOUR on a small bit of block paving, say 7ft by 15ft? Customer's providing the materials and I'll do it for mate's rates. Any clues?

The diverter valve on my Worcester Bosch 24CDi has been replaced, but the hot water failed after just a week. On inspection, the rim of the diaphragm is torn. The diapragm was fitted the right way round, springs in all the right places and appears to have been seated centrally due to nicely...

I have a Worcester Bosch 24CDi boiler that's just had a perished diverter valve diaphragm replaced. The unit worked perfectly for a couple of days after the repair and the plunger moved freely and swiftly with even a small DHW demand. Now the plunger has become VERY stiff and only moves a...

Got a nice little Christmas diy job for myself this year. I'm going to skim over the nasty artex and scars in the living room (~3m x 7m) Is it advisable to use flatness or skim guides on the ceiling to help divide up the work so that I can take it in managable chunks in the same way as...

For the last 22 years, I've worked in the same industry - since a lad of 18, I've worked may way up in my industry to a pretty good executive job. But to be honest, the love of what I do has gone, and all I'm left with is stress and bitterness. All around me, I see my fellow managers stressed to...

For the last 22 years, I've worked in the same industry - since a lad of 18, I've worked may way up in my industry to a pretty good executive job. But to be honest, the love of what I do has gone, and all I'm left with is stress and bitterness. All around me, I see my fellow managers stressed to...

I'm installing a linear drainage gulley for a new patio, and happily a 110mm pipe leading to a nice big sump that my builder put in recently runs just underneath. What's the best wat to connect my gulley to the pipe? At the moment, my best thought is to use a strap-on boss as I don't see a...