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Hi The structural engineer has stipulated that concrete blocks have got to be built up to ground level (around 1 metre). In fact two concrete blocks, side by side (so that brick & block courses can continue). The cavity for the concrete blocks has got to be filled with lean concrete...

Thanks Woody. It all started when our 'new BCO to the area' gave us wrong advice about the footings (should have been 9" deep max). Ground collapsed (a lot) and the excavated section has now got to tie into the old floor that we removed to start a fresh. This structural engineer was...

Hi How can I maintain the integrity of the 1200 gauge d.p.m for a new floor - when the d.p.m is going to be pierced horizontally by R10 rebar (6 metres wide extension - rebar every 200mm at centres)? The rebar itself is a "Z" shape - the bottom section of the "Z" will be connected to a...

oldun - thanks for your detailed reply. This info has been really helpful. And it makes sense. Cheers.

I did.

Thanks once again. I cannot dig out the trench as it is 9 inches deep of C20 - part of the structural engineers stipulations - this is to support the raft - and then the blocks/bricks go on top. The problem is that the enclosed raft will hold 9 inches of water - as it will seep under the...

Thanks. Brick & Block - All the floors are concrete. There is no problem with the rest of the property - just this big hole.

:( Hi I am asking for help here because as you will see, I'd prefer not to contact our building inspector for advice because I have made an official complaint to the council which is on going. They are waiting for me to let them know that a "raft" has been constructed. Extension to...

Thanks all. The yellow test button is near the main on/off switch on the CU. Not on th MCB itself.

:? Hi Around 2 years ago I upgraded an electric shower to a Triton 8.5kW It required a higher rated fuse/breaker: 40A MCB. I used the cable already in place – 6mm clipped to roof joists (above insulation) around 10 metres to CU. My CU is a Crabtree Starbreaker fitted with RCD MAIN...

Yes both toilets are on the ground floor. Thanks.

Hi Can anyone throw any light on this problem. We have two downstairs toilets, which were working perfectly OK. About a month ago my son was using a digger in the front garden and came across a manhole cover that we didn't know was there. (We have had the drains cleared before by...

What can I say Oldun - Top Man, yet again. I can now take out my gum shield, wipe away the blood and spit and concentrate on your most helpful reply. Another big thank you, including the 37 tip.

Fredy just browsing and I came across this post; http://www.diynot.com/forums/viewtopic.php?t=214481 You seem to have the same answer for others - enough said, me thinks.

Hi Oldun and others have given me advice before on achieving U values for cavity. Because I have found a good deal on Ebay my wool slabs have changed. I have tried to understand all the values and how to achieve/add up block work and cavity fill, but honestly life's to short - I don't...

Thanks, the other chap on the link doesn't fill me with joy.

Hi I will have to join 1200 gauge DPM because I cannot find sheets wider than 4 metres. I have looked around for Polythene Jointing Tape - not very good reports, especially from Screwfix. What is the recommended width for Polythene Jointing Tape and how do you go about joining? Do...