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Hi My son has just moved into a house with a back boiler controlled by a RWB2E programmer. The problem is that he cannot get hot water. The boiler fires up fine when the programmer is switched to heating but stays dead as a dodo when switched to hot water. The indicator light on the...

Thanks, gents It was dry and windy on Sat pm and Sunday. Cracks vary from 0.5mm to 2mm. Dave

Hi Gents The ground workers have just laid, on Sat, the internal slab for my timber frame bungalow and I'm a bit concerned about the cracks that have appeared in it. The overall main slab is 8m X 10m. The make up is:- 100mm h/core 50mm blinding 1200guage DPM 100mm concrete On...

Thanks for that, I will do. Dave

Dunno. It hasn't been built as yet but on the architects sectional drawings it does show those nail plates. I'm just wanting to make sure I know what can and cannot be done before the build starts. Advanced planning! Dave

Hi Thanks for the reply. These are trusses in a timber frame dormer bungalow which I'm having built so they are supporting the first floor. Notches would be 20mm max It's for under floor heating pipes as the alternative is to loop them over the trusses behind the walls on the first...

Hi I have seen a lot of guidance regarding where and how joists can be drilled or notched. Do the same rules apply to attic trusses? Many thanks Dave

The answer to the edge problem is simple, you fold it over the edge as you would wrapping a parcel - remember it isn't that thick but it is strong - and then secure it with the edge trim provided. Dave

"By the way does 'Isettaman' indicate any connection with Isettas? I have fond memories of one in the 1960's! It was a magical machine." I used the 1.14mm stuff which I found perfectly suitable for the job. I had an Isetta as a teenager, cost me £30! I also bought one a few years ago...

Peter I have personal experience with EPDM. I did have a bit of trouble getting it onto the roof to start with as my garage is 6 x 6.5m - very heavy! Fortunately I have a tractor with a front bucket so I put it up with that. The theory is, with the stuff I used, that you use water based...

Thanks, Chukka I was thinking that deep flow is the way to go. Dave

Hi I wonder if you experts can help me understand the regulations and flow rates for guttering? I want to minimise the number of downpipes (and resulting drainage trenches) in my new build. The front elevation is a straight run of 16m with a roof area of 93m2 at a pitch of 45deg. Will a...

Hi Not really sure, but are there any special procedures to carry out when sharpening breaker steels? Or is it just a case of putting a new edge on them using a bench grinder? Thanks Dave

I built my detached 6m x 5.9m garage (flat roof with small mono pitch at the front) earlier this year and it cost in total 10k. I did all of it myself apart from the brick laying. Dave

Hi J5 I've got 6m 9" x 3" joists holding up my garage roof. £37 each. Dave

When we moved in to our property, three years ago, the owner made a big thing about the garage having been re-roofed. It did look superficially ok but I couldn't see a lot as it was sheeted with that asbestos type cement board. I'm now demolishing it to make way for a new bungalow and this is...

That's even easier, almost the same as in my previous post. Multiply by three, divide by two and move the decimal point one place to the left. or Divide by 10, halve it and add the two answers together. (15% £4500, 450 + 225 = £675) Dave