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Wow....Thanks for all the detailed reply's. The extension is under building control so unfortunately I can't get away with saying the wiring was done prior to the new colours :lol: I think I had better have a word with the BCO and the Spark that will be doing / signing off the work...

Hi, I've been reading the older topics on this subject but can't find a definite answer. I'm about to start to run the wires for my house extension and I have a few drums of the old colour cable (2.5mm T&E, 1.0mm T&E, 3 core & Earth strapping wire) and I would like to know if it is ok...

A load of info on Paving Expert, including calculators for amounts of materials needed etc. http://www.pavingexpert.com/ Cheers.

Hi, Just had a look at the dimensions of a 203 x203 UC and notice that the depth Between Fillets = 160.8 mm. Our floor joists are approx 206 mm (seems a strange size) so this would require notching of approx 45mm which seems quite a bit. I'm guessing that fitting timber into the the fillet...

Thanks for the diagram tony, Sent you a pm. Just wondering if it's worth changing my plans, or my SE :? Cheers.

My SE has specified 254 x 146 x 43 UB for inner & outer leaf. Rather than having a 254mm downstand I want the floor joists (approx 8 1/4 ") to run into the steel which will minimise it. Using the steel you have mentioned it appears there would be no downstand. May be a change of plan...

All the info you'll ever need: http://www.pavingexpert.com/ Cheers.

We have a Trussed Purlin in the loft so only 1/2 of the rear roof elevation is on the inner skin, the calcs have a diagram of this so I assume this has been taken into account. Cheers.

The inner leaf is standard concrete block the sort used in 1970, the SE has assumed 3.5 n/mm2 for it. The end reaction of the inner steel is calculated as being 49 kn...the outer steel being 36.2kn. Cheers.

Aye the experts don't always know best do they :shock: I did think that once the calcs were submitted the building inspector will want to see the steels fitted as specified which everyone seems to think is well over the top. Is it actualy possible to use a 440mm long padstone if the...

Ok, contacted the SE who said that it was common practice to specify 2 padstones so as not to bridge the cavity. After explaining that the part of the wall where the padstones would be sitting would now be internal he still maintained that 2 padstones was common practice but said that the...

Have a read of this thread for fitting advice. //www.diynot.com/forums/windows-doors/window-frame-fixing.339213/#2528842 Cheers.

Hi, I've no idea what will be best in your situation with the materials you are using, I do know that PU adhesive makes a very strong flexible bond. Cheers.

I have to agree, "Aesthetically Pleasing" certainly doesn't apply in this case. :(

It's hard to tell from your pictures if the roof is on a shallow pitch, it sort of looks like it is but that could just be the pictures. Step flashing on a shallow pitched roof doesn't always work out or look good because you have to take the horizontal points of the lead out a long way...

Just Google "Concrete Fibers" Also take a look on the Paving Expert site as they have some info on the subject. http://www.pavingexpert.com/reinfrc1.htm Cheers.

You could try using PU40 Polyurethane sealant, it makes a much stronger bond than silicone. Available from Toolstation >> CLICK HERE << Cheers.

As badgeraudio did I also just used the membrane I used under the tiles to form the collars etc. Cheers.

I have 3 velux's in my lean to extension and I set the rafters out for the velux holes as I went....I ended up having to cut the tiles either side of every window :( I posted on here about it and the more experienced guys told me that they lay out the 1st course of tiles at the bottom of...

I think you need to post up some real pictures of the joint. The pictures you have posted may be showing shadows etc so are hard to make any sence of. I imagne the original house corner would have been straight to the ground, take an imaginary line from the house corner higher up straight...