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What block under brick or stone outer leaf?


WWilts

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Entrance porch is single storey. Cavity walls of porch continue up to first floor as external walls. (drawing attached, front/south at right). Outer leaf of cavity wall non-loadbearing.

 

First floor external walls are, respectively

 

1) brick (side/west)

2) reconst. stone (front/south)

 

Question: If brick and stone are not the preferred finish for the interior walls of the porch, what is the most cost-effective block that safely can sit beneath brick or reconst. stone?
3.6N aircrete? Other?

62B structural walls internal porch outer leaf.jpg

Edited by WWilts
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53 minutes ago, Russell griffiths said:

7.5 n lightweight aggregate blocks or called aglights. 

Tks, good price even before bulk discount.
£1.19/block. Strong too.

 

But intrigued by your reluctance to enjoy the free beers.
Would you be wary of aircrete 7N blocks too? And if so, why? (eg., Durox supabloc 7N or Celcon plus 7N)

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16 hours ago, WWilts said:

Question: If brick and stone are not the preferred finish for the interior walls of the porch, what is the most cost-effective block that safely can sit beneath brick or reconst. stone?
3.6N aircrete? Other?

 


Depends on the loading. 
 

Which way do floor joists run ..? Which wall is holding up the cantilever ..?? What blocks are you using elsewhere ..?

 

Lots of openings at ground level makes me think you’re going to be using a fair amount of steel to hold that up which will cause point loads on the inner skin and you need to work out what the outer skin is doing in relation to that. I would be using heavies on the outer skin as a matter of course as they are cheap and sounds like you’re going to need to do a lot of load calcs anyway. 

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