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Thanks Sparkwright. Very helpful and much appreciated. A

I have four outside lights to install off an existing lighting circuit (ceiling rose). All cable can run inside the house, just passing through the wall where they need too. I want to run all four off a single light switch. Could somebody please explain the best way to wire these up? I...

Thanks Woody, The full story is I've replaced the original wooden lintel with a new longer steel item then removed the extra 400 mm of brickwork, which I've now left it for a couple of months. Looking at it now the bow appears greater than I originally recall (though your memory can play...

If they're only there for during construction then why is so much enphasize put on them, particularly with regards to wind loading etc etc etc? I know I've said I feel the bowing is longstanding but something is just niggling at me saying it may be progressive! I'm no builder but do have a...

My experience of Danish Oil is it looks great and is easy to apply and maintain but isn't durable when in contact with water. A few years ago I used Danish Oil on a new Oak bannister rail, it still looks great.........except where my four year old has slobbered over it!

The house was built around 1959 so it isn't that old. The existing ties look like stainless steel to me but certainly haven't corroded away; the exposed are in good condition. They just haven't put many in!

I've recently opened up an existing external door way into a side extension (its gone from approx 800 to 1200mm wide). Having looked into the cavity I can see very few wall ties and have noted a slight bowing in the external leaf, which also exists within the wall away from new opening. This...

Thanks again Woody, BC aren't involved...........I'm just trying to up-grade/make the most out of what we've already got. The phrase "trying to make a silk purse out of a sow's ear" springs to mind! I'll probably try and include some Kingspan within and below the joists. I guess the less...

Hi, I have a existing flat roof with a now redundant 4'' flue hole/18'' square flashing plate. I've temporarily sealed the hole/plate but I now need a more permanent solution. The existing felt system appears to be in a reasonable condition (it's around 8 years old) and has been painted...

Thanks Woody, How much insulation would you recommend? Having just re-measured the joist depth i've found it to be only 135mm. Does say 135mm of Knauf Crown 32/44 and another 50mm of Kingspan/Celotex sound enough or should I try a get more PIR between the joists?

Thanks for the prompt response Chappers. When you say rockwool will still allow air flow to the roof space, wouldn't the inclusion of a vapour barrier exclude this? I'd be a little concerned that I'd get the Kingspan tight enough against the rafters or without voids when trying to infill...

Hi, Having seached for further discussion/ideas on Woody's ''composite roof'' idea, which just happens to fit my requirements, does anybody have any further thoughts on fully filling the joist void? I'm considering applying this to an existing flat roof (140mm deep joists) with a mixture...

Its probably a daft question but is there any benifit in squeezing more rolled mineral wool insulation in to a limited void than just filling the same with non compressed/fully expanded stuff? I'm guessing the loss of air/voids within the wool will reduce its's thermal resistance but any...

Thanks for your advice guys. Ban-all-sheds, As the room was already part of the house and has been general living space is it was constructed in 1959, then why would I need building regs consent to improve it? That would be like saying you need consent to insulate your loft/floor anywhere...

The 1mm lighting cable is on B6 MCB, so if I understand you correctly this will be ok within the insulation. Also I've got an existing cable running to an outside shed for lighting/power (RCD protected) that comes of a B16 MCB. This would also ideally run through the ceiling insulation...

Thanks LoveRocket..........that just doesn't sound like something I should be saying......but there you go! Having had a good look I made a mistake earlier and the socket cable is 2.5mm and unfortunately the lighting does seem to be 1mm. Could I run the 1mm in conduit through the...

Thanks for the responses. When I said it was a garage conversion I should have said it was a distinct and seperate utility, toilet and boiler room at the rear of the attached garage, which I've knocked into one. The construction is the same as the garage and I haven't applied for building...

Hi, I'm in the process of converting my garage and am at the point of insulating and the electrical first fix. The ceiling is to be insulated with PUR board within and below the rafters and the floor is to be a floating PUR and chip board affair. As both the the floor and ceiling are to be...

Is correct to drop a new vertical soil stack into the top of an existing drain using a 45 degree equal branch?

Hi, I'm considering converting an existing garage/utility into living space and am unsure on the best way of insulating the existing cold flat roof. The joists are 8" deep and it's currently ventilated via the open cavity. Should I either:- a) completely fill the void between the joists with...