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4 replies
6k views
4 replies
How to repair a large hole in aerated concrete?
I am renovating a 1960s house and encountered a large hole in the aerated concrete block that's about 50 mm in diameter and maybe 35-40 mm deep that needs to be filled.
I would prefer to make it strong enough to drill and place an 8 mm plug there after the repair, but if that's not possible, just seal it so it will hold well.
I would rather not have to buy a whole bag of some "mortar" and would prefer a product "in a tube"...
I would prefer to make it strong enough to drill and place an 8 mm plug there after the repair, but if that's not possible, just seal it so it will hold well.
I would rather not have to buy a whole bag of some "mortar" and would prefer a product "in a tube"...
There are many different things you can use for this... for example
https://www.xlbygg.se/byggole/nacka...ten/putsbruk/lagningsmassa-laga-inne-3kg-8404
https://www.xlbygg.se/byggole/nacka...ten/putsbruk/lagningsmassa-laga-inne-3kg-8404
The store didn't have that product but have tried with Casco Husfix and it seems to have worked well. Seems rock hard but haven't tried drilling yet...
It was suggested to wet in the instructions for house fix (for "absorbent materials" which I assumed applies to blåbetong).
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