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Hi woody, The plans didnt state anything other than the spars being 100 x 50 mm, When i had the plans done and submitted i should have seen this problem as the extension is slightly wider than the main width of the house, and with the roof running into and matching at the rear and the ridge...

Yes that may be an option, but on the plan which was passed it shows the ridge being lower on the extension! So i will ring the bloke who drew the plan and ask if moving it will be an issue. Have you ever compensated for an issue like this before? thanks

The front of the existing house roof runs and stops at a small gable end.

Yeah thats what i thought, didnt even realise this was a problem until a couple of weeks ago. when i got the steels in and started to bring the walls up i realised with the roof having to run in with the back and then meet the front of the extension there was an issue. should have been...

Hi everyone, I have built an extension and will be at wallplate next week, now my next job will be the roof construction, the issue is that the extension roof has to match the existing roof at the back and then the ridge will be lower than the existing. The front of the roof will then have...

house roof

thanks woody, a mate said they could expand at different rates and might crack? is there any truth in this? the wall is 6.3m long thanks

Hi everyone, I wanted to know if i can build on top of concrete blocks with breeze blocks(the furnace ash type) medium weight. i had to use sold concrete as halfway t first floor was retaining wall filled with c35 concrete, i need to get more blocks to finish first floor to wall plate, and...

Thanks for reply, Just to clarify, the bottom 5 courses of the house from the footing up are facing brick then the brick are set back and then rendered then dashed, the house was built in the late 50's. Ive spoken to the SE about the padstone and he said it would be ok to use and mentiond the...

Thanks for the reply, Yeah i suspected this but didnt want to bother the se with another question.... just to ask, the calcs say the steel should have a bearing onto the brick of not less than 100mm but the wall which the steels are runnung onto is an exterior pebble dashed wall and the...

Hi all, I have 2 steels 152x89x16 spanning 2.5m and wanted to ask if i could cut down a padstone which is 450x225x100 in half (450x100x100)to rest the steels on the SE said to use 3 courses of enginnering brick but using the padstones would be easier, thanks for any help. Jsmithy.

On my extension i will have dash the walls to match existing, what depth is the norm to set the blockwork back from the facing brick to allow for the scratch and dashing? The house bricks are set back 20mm but they are imperial so wider thann the 100mm that i building the extension from...

Hi all.. I wanted to know which is best for a footing- all in ballast or 20mm limestone and sharp sand? A few saw limestone is stronger? or is it they will both be the same! sounds like a silly q i know but cant find any answers on it. cheers.

I have got se to do plan for a 300mm block wall with 100mm cavity with a393 mesh in the cavity filled with 10mm c35 concrete, i will be mixing this at 1cement 1.5 sand 2.5 aggragate. The footing will be 20mm c25 concrete, would this work out at 1 cement to 4 or 5 parts ballast? The footind...

double post :roll:

Thanks jeds I have got the bco coming out weds morning and getting as much input from him as i can and then i can take the appropriate action, I have had to get on to the firm who did my plans to draw up a retaining wall suitable to hold back the earth as the first effort was a normal cavity...

I have added an old pic of my house (on the right ) and the neighbours, this may help with my explanation, i have already exposed the footings on my house and removed some of the stone wall between the houses and the red brick wall is where my boundry is. Thanks.

I have quoted this text from the link woody has posted On our most recent project we had to dig a 1.5m deep foundation directly adjacent to the neighbouring building for a distance of 5.5m. Our dig exposed their footing and went below it by a good 900mm. We decided to dig and concrete in...