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Hello I need to fix about half a dozen air bricks into my new (to me) 1895 semi, I'll be using either new or reclaimed clay type, or, if I'm feeling really fancy then perhaps some decorative cast type, all good so far.
My concern is should I use lime mortar to fix these to match the existing masonry mortar? I'm mostly against concrete such as rendering and any type of non-breathable fabric in a period building, vapour breathability within insulation notwithstanding.. So my thoughts are would you use standard cement mortar to fix air bricks in a lime mortared masonry wall? My thoughts are it's not really going to retain much moisture being as all adjacent joints will be original lime, and also being below DPC then the extra durability of cement might be beneficial?
Any imput would be appreciated, and I do appreciate I'm probably over thinking it...
Thanks!
Picture for reference:
My concern is should I use lime mortar to fix these to match the existing masonry mortar? I'm mostly against concrete such as rendering and any type of non-breathable fabric in a period building, vapour breathability within insulation notwithstanding.. So my thoughts are would you use standard cement mortar to fix air bricks in a lime mortared masonry wall? My thoughts are it's not really going to retain much moisture being as all adjacent joints will be original lime, and also being below DPC then the extra durability of cement might be beneficial?
Any imput would be appreciated, and I do appreciate I'm probably over thinking it...
Thanks!
Picture for reference: