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So would you agree Noseall, that the only realistic option open now is to remove most of the top row of blocks and insulate behind the joists with celotex and or loose fill, then reinstate the blocks with maybe leaving out the redundant wall plate and using say full sized blocks or at least...

I just had a small flat roof extension built of brick and thermolite block with a 90mm celotex warm roof and could do with some advise on how the insulation should have continuity between the top of the walls and the warm roof. The cavities are filled with loose fill mineral wool to the top of...

I understand that, but they do have a remit to ensure that whats there complies with building regs as best as they can see at each visit dont they. If not then what are they coming on site for?

ok ta Noseall, inexperianced yes, but wanting to be sure its all ok before the plasterboard goes on as its too late afterwards :) My bco wouldnt notice if it wasnt nailed at all, I thought they were strict but my first experiance of them is that you could get anything past this one. He came...

Thanks for the replies, I will be asking for vertical restraint straps to be fitted and mid way full depth noggins. The joists are skew nailed to the wall plate so too late for truss clips I think, maybe I will add some myself once he has finished as its a shell job so plenty of time for me to...

There is just a few nails holding the joists to the wall plate on the other side, oh and a warm roof on top so you dont think I need a second row of noggins about 6" in from the wall plate? Think it needs vertical restraint straps too...

I am having a small extension built, the flat "warm roof" joists are hung from 3 timbers (190mmx45mm) bolted together in place in a wall slot, then hangers attached and the joists attached. The joist spacing is 450mm and the span 3mtr. To stop the joists twisting over time and ruining any...

I'm well away from the boundry, the bco suggested chippings on a recuring cost basis re the repainting being often and expensive. My present 3 layer felt roof with chippings has lasted over 30yrs without leaks but I would have thought that one of the 3 finish methods has most benefits? Or...

My builder is about to finish a new warm roof single story extension next to an existing extension. The old extension roof is being stripped and upgraded to a warm roof too. Both will have firings, osb, 90mm celotex, ply then 3 layers of felt laid as one complete roof. I have been asked which...

From what I read the old copper mains pipes are Table Y which was really thick walled stuff so cound last a very long time unless it got close to coke cinders in the footings which apparently give off an acid that eats the copper. I have also earmarked a reserve route now in case the 40 odd ft...

Thanks for the advise, I needed to do something first thing today before the concrete got poured. I went for edpm in a big loop so both ends are above the concrete, the feed end edpm can be cut and redirected once the jobs over and the other end capped off. Cheers.

I am having a small extension built and the builders uncovered a copper pipe around 1/2" (1960's house) when clearing ready for the oversite work. They have sleeved it with split plastic tube where it goes through the concrete blockwork, after which it has a sweeping bend and into the original...

While digging out foundations for a new extension I find that water is entering the trench from under a previous extension we have. Its not a great deal, at a guess no more than a fast dripping tap would give but over 48hrs its made quite a lot of water in the trench. The water looks clean...

I have followed this with interest as I wish also to shut off and drain my 28i junior ch circuits for a few weeks while having hot water still operational. dissapointing reply from Bosch. I take it that if an overheat were to happen in summer while the ch was turned off on the stat and to...

Think I know what the BCO is going to say, but anyway... I am about to have a builder erect a small extension 3mx4m L shaped 2 walls, flat roof to join with an existing flat roofed extension built in the 1970's. I wanted to move the existing kitchen d/glazed unit to the wall of the new...

If there is a fault on any circuit, not just something plugged into an external rcd (or none rcd) socket you are going to loose at least half your circuits with todays 17th edition split rcd cu's unless you go for filling with rcbo's instead. OK so you can have rcd exemptions but most circuits...

Right next to the CU's to the left is a wall mounted folder with all the detail on way numbers, cable sizes, mcb ratings & detailed discriptions of final circuits. I will attach labels to the boards once I am satisfied everything is permenant. The mixed colours, rcd etc notices will be attached...

Ran pretty short of ways on the original split CU so its got a baby brother now. Mini trunking resized to ease cable entries, looks pretty industrial :wink: All ground floor rings and radials now on RCD side, only downside seems to be that when I button test any MK masterseal external rcd...

Wild guess would be a soil pipe vent flap valve, allows air in but stops stench getting out. Spent too long typing ;) Wot he said^^ :)

Well the sheets were put up after the hurricane of 87 and were 10yr warranty 1.1mm ones. I assumed they would be brittle after a firework rocket casing bombed through it a year ago. The garage is 12mtr x 3mtr so an awful lot of sheets to replace should I go that route, I have elected to add...