I need to improve the ventilation in our basement and plan to saw a 100 mm (diameter) hole in the wall somewhere along the red lines by the laundry room.
It might also be needed by the shower later on.
I assume the wall is load-bearing, so the question is whether these holes (1-2) could pose a risk? The alternative is to install the ventilation in the new solid doors instead (which I'm a bit reluctant to do).
The house is from the 70s, and the walls are made of hollow brick\leca blocks\aerated concrete. The entrance level is a wooden frame with a brick facade.
I need to improve the ventilation in our basement and was thinking of cutting a 100 mm (diameter) hole in the wall somewhere along the red line by the laundry room.
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It is possible that it may also be needed by the shower later on.
I assume the wall is load-bearing, so the question is whether these holes (1-2) could pose a risk? The alternative is to place the ventilation in the new solid doors instead (which I'm somewhat reluctant to do).
The house is from the 70s and the walls are made of hollow blocks\leka blocks\lightweight concrete. The entrance floor is a wooden frame with a brick facade.
