Building on timber wall plate

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Hi,

I am building an extension above an existing ground floor extension. After stripping back the felt roof to expose the joists they are resting and fixed on a timber wall plate. The wall plate is on the internal wall. I have been told by a builder that i know that it is ok to build thermalite blocks straight on top of this wall plate! Is this correct??

Thanks

Alex
GALLERY]
 
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Agree with Noseall - not a good idea to build masonry off timber.


If your extension is not too large, would it be feasible to do the inner skin in timber frame, if you really had to leave the plate in?
 
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"]Don't be daft!

why do u speak to people like this?? they dont know, there not sure thats why they have asked,

there are no silly questions just silly mistakes!,

good luck with your build
 
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This is the reply from the builder i know!

The timber wall plate is capable of carrying 9.7 tonnes per square foot, can't slip because it's held down by steel storm straps that will withstand winds up to 118mph.
 
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"]Don't be daft!

why do u speak to people like this?? d

The OP must have had a gut feeling that somehow it wasn't 'right' to build
directly off a wallplate.
Noseall was only being direct about it and presumably reiterating - albeit in a blunt way- what the OP was already thinking.
Remember that old saying - "if you don't like the heat of the kitchen, get out".
 
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This is the reply from the builder i know!

The timber wall plate is capable of carrying 9.7 tonnes per square foot, can't slip because it's held down by steel storm straps that will withstand winds up to 118mph.

Brilliant, he seems clued up on the bleedin' obvious

How does it cope with a tiny weevil or and even more lightweight timber fungal spore? And then what happens to the wall above?
 
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why do u speak to people like this?? they dont know, there not sure thats why they have asked,

there are no silly questions just silly mistakes!,

Whilst it is admirable that you have elected yourself as the forum moral compass, my post was hardly offensive unless you are of the more sensitive, narrow shouldered, wall flower, shrinking violet variety.

I, on the other hand have elected myself as the "txt spk" regulator and would you kindly stop using it as it is both infuriating, puerile and completely unnecessary.
 
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The lintel looks like a standard catnic boot fella and i would be surprised if it is not suitable. How much end bearing is there? The lintel will be a pre-designated length i.e. 1.2m, 1.5m, 1.8m, 2.1m and so on.

The lintel information is usually on a sticker on the inner leaf. Remove the plaster from the lintel and have a look. A standard duty catnic is suitable in most domestic situations.
 

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