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I'm needing to install over blockwork (behind dot and dab plaster) in a number of areas which are outside the 522.66(v) zones. That galvanized pressed steel channelling which fixes over wires. I'd guess it classifies as "have earthed armouring"?(or does it not?) - But getting a reliable...

Thank you guys for taking me seriously, especially BOS. One or two points: Building Completion Certificate under Part P sections 1.24..1.27: I have asked BCO (he hasn't replied yet). He has been pretty good though before, (he didn't grumble when he inspected my part J flue install), and...

Well that's nice to know 8)

Thanks guys. Seems my concern is probably justified then. And SRE, the Tyvec on the roof IS on top of the undercloak as I've drawn it. Not that the water is getting in that way, it's been running along the bottom of the undercloak under wind pressure and capilliary. There is no tilt/drip to...

And another one. Does 150mm zone at top of a wall/ceiling angle from reg 522.6.6, also apply if the junction of wall/ceiling isn't horizontal? Does it include for example the 150mm of space at the top of a gable wall where it meets a sloping ceiling? "It does say either horizontally...

Hi. A questions for the forum I'll be installing a ring in a new extension. (So far I'm taking lots of care with IEE wiring regs. I need to get it right, and anyway my Building Control officer will need to organize my Building Completion Certificate under Part P sections 1.24..1.27). So...

Hi. My builder has last week completed some roofing work on an extension and I'm not happy with the quality of the weathering. All the rain this week has been a blessing in disguise since it's showing stuff up. One area is detail where a tile hung (plain tile) gable timber wall upstand joins a...

Yep, it seems like this is probably the way to go. I'll find a friendly metal folder. It's surprising that a door manufacturer (who drew a bit of a blank themselves at this) makes a product which seemingly can't be fitted into a normal opening with any standard off the shelf stuff.

Hi. Doors I am ordering (timber laminated/insulated from Russell Timbertech), have a narrow alloy "stormguard" as they call it cill. They will be mounted at DPC level - which is flush with internal FFL. The alloy cill ptovided is not wide enough to reach over the edge of the brickwork. I...

Thanks Flameport, Chapeau. It's refreshing to get a useful response without being flamed for even asking. Rgds

What's the best way to find a electrician to sign off (AKA "Commission") my wiring? Are you professional types all going to give me grief for wanting to save money and wire up my new-build extension? I have done loads of wiring through the 80's and 90's. I have re-wired a complete house...

Thanks Norcon, Shytalkz "It will p**s it" :) Indeed yes it will, based on the very sound "Thats a damn great bit of steel" approach which I like a lot. But my BCO still wants the calcs! Any freebie Javascript type of calculators out there, or tables something like Trada timber - but for...

Hi. My Local Authority needs calcs for a steel corner support column I'm proposing in my extension. It will be approx 2.2M tall, 80x80mm square x 5mm wall. Axial loading (dead load + imposed load from snow) will be maximum of (from a rough calc) 2.4KN. I have no access to BS5950 without...

OK guys, Thanks for all the replies. I bought a Flymo woodshark 2200 electric chainsaw from B&Q. (Their price £99 is within a couple of quid of the best available anywhere else at the moment). Got some safety gear (elsewhere) as well and read up do's, don'ts and technique. I have a saw...

I'm considering getting ~2KW electric chainsaw to cut logs for my woodburner. Last season I did the entire woodshed with a sharp bowsaw. - I'll be the first to say how good bowsaws are, but I'm thinking of taking a break from that one this time. A relatively cheap £100 chainsaw is only about...

Indeed. Much as I suspected. I only got there whilst working out the best way to connect up the wall and roof insulation. Seemed a good place to start. Perhaps not. Rgds.

New extension with 125mm EPS foam under slab, joins existing solid concrete floor circa 1974. If I ceramic tile right across regardless, do I expect tiles to crack on the joint? Opinions?

OK. Question from planninportal.gov.uk. I'm trying to figure out how to build my eaves. (PIR foam between and under rafters, wall cavity partial fill, unventilated roof, open interior roof space). This guideline (pic from UK planning portal), seems to fit the bill. I'm supposing rafters would...