Core drilling through masonry for a ventilator with which device?

Hello everyone,

for our new building, we have decided on a decentralized ventilation system. For this, core drillings through the exterior walls (42.5 brick masonry, T9) are required.

With which device do I make these "drillings"? Due to the air chambers, the masonry needs to be treated rather "gently".

Thank you very much for your answers.

Christian

Well, with a core drill ;D... I would have it done...

Core drill, e.g., from Hilti.

There should be no problem with bricks, you can usually do that yourself. DIY stores offer tools for rent. approx. 30-50 euros for 4 hours.

If you hire a core drilling company, they usually charge more for travel than for the drilling.