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MarioBauer17 Nov 2020 22:32Hello experts,
I recently inherited a house (110 sqm (1184 sq ft) of living space) built in 1958. The house is rented out. The exterior basement walls are also made of 30 cm (12 inches) pumice stone. The other exterior walls are made of 24 cm (9.5 inches) pumice stone.
The house has a usable basement (without heating). Moisture spots can be seen in various places on the exterior basement walls. I plan to have a company expose the basement walls and reseal them with a thick coating including a dimple board membrane. I have also considered adding insulation in addition to the thick coating, but I rejected this due to the absence of heating.
Furthermore, there are three settlement cracks (gaps 1–2 mm (0.04–0.08 inches), length 1–2 meters (3–6.5 feet)) on the exterior walls at different heights (above the basement) and sides. The last exterior paintwork is presumably about 20 years old, so the facade is quite weathered.
At this point, I am considering three options, which I would have carried out by a professional company.
I am hoping for your advice here.
How would you waterproof the exterior basement walls?
How would you renovate the facade?
What regulations or laws should I consider?
Thank you very much for your help.
Stay healthy, Mario
I recently inherited a house (110 sqm (1184 sq ft) of living space) built in 1958. The house is rented out. The exterior basement walls are also made of 30 cm (12 inches) pumice stone. The other exterior walls are made of 24 cm (9.5 inches) pumice stone.
The house has a usable basement (without heating). Moisture spots can be seen in various places on the exterior basement walls. I plan to have a company expose the basement walls and reseal them with a thick coating including a dimple board membrane. I have also considered adding insulation in addition to the thick coating, but I rejected this due to the absence of heating.
Furthermore, there are three settlement cracks (gaps 1–2 mm (0.04–0.08 inches), length 1–2 meters (3–6.5 feet)) on the exterior walls at different heights (above the basement) and sides. The last exterior paintwork is presumably about 20 years old, so the facade is quite weathered.
At this point, I am considering three options, which I would have carried out by a professional company.
- Filling the cracks and repainting the facade.
- Reinforcing with mesh and applying new plaster to prevent the cracks from reappearing.
- Adding insulation to the facade.
I am hoping for your advice here.
How would you waterproof the exterior basement walls?
How would you renovate the facade?
What regulations or laws should I consider?
Thank you very much for your help.
Stay healthy, Mario
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nordanney17 Nov 2020 22:41MarioBauer schrieb:
How would you renovate the facade?
What regulations are there from the authorities? Major work requires compliance with the energy saving regulations, meaning insulation is mandatory!
The alternative would be just repainting and filling a few cracks.
MarioBauer schrieb:
I recently inherited a house (110 m² (1,184 sq ft) living area) built in 1958. The basement exterior walls are also 30 cm (12 inches) lightweight pumice blocks. The remaining exterior walls are made of 24 cm (9.5 inches) lightweight pumice blocks. Are these details confirmed? I don’t want to rule out this arrangement, but I find another scenario somewhat more likely: that the basement exterior walls are 30 cm (12 inches) concrete, and only the basement interior walls—as well as the above-ground masonry—are made of pumice blocks.
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