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most cost effective cavity wall construction


 
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browfish

from United Kingdom

Joined: 04 Jan 2006
Posts: 271
Location: Southampton,
United Kingdom
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PostPosted: Thu Apr 12, 2012 8:09 pm Reply with quote

I am just about to cast the footings of our extension and time to think about the next phase.

I need to build a cavity wall and was wondering what the most cost effective materials are.

I have been looking at thermalite turbo blocks (0.11W/m2k) and understand these can be used on both the inner and outer skin (walls are being rendered and cedar clad on outside an plastered on the inside. Using this i can acheive 0.28 with 25mm celotex CW4025.

Are there other brands/products that would be cheaper than this? Would a normal concrete block and thicker insulation be cheaper?

thanks
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