First post here so forgive me if I make any mistakes.
I am planning an extension on my home and I am fairly certain it's Laing Easiform which has cast concrete walls with a cavity.
As part of the extension, I want to knock through the external wall of the house and fit a beam. I have done similar with a friend on his house on a conventionally constructed house so am familiar of the regular process, but wondering of the best way to attempt this on a building of this construction?
Would it be best to cut out some letterbox/brick sections for support as per the normal method, then cut out and demolish the wall? Would an SDS weaken the structure so cutting must be done? Etc. Etc.
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