Please note: The forum welcomes questions from Europe. KÆLDER-RENOVERING is a Danish contractor whose construction work is primarily carried out in Denmark. International questions are mainly used for technical orientation and problem identification; referrals are only possible where a relevant contact is known.
Common basement topics
Damp wallsRainwater, rising damp, salts and damaged finishes.Describe the problem →
Mould & odourVisible or hidden mould and organic materials against basement walls.Send photos →
DrainageExternal waterproofing, perimeter drainage, sumps and ground levels.Ask about drainage →
VentilationHeat recovery, summer condensation and airflow between rooms.Ask about ventilation →
Basement excavationLowering floors, underpinning, soil removal and new floor construction.Describe the project →
RadonMeasurement, sealing and integration with a new basement floor.Ask about radon →
What to include in your question
Country and city/postcode, overview photos, close-ups, exterior photos at ground level and a short note about when the problem occurs. A short video is useful for larger basements.
One genuine European page, not hundreds of doorway pages
This English page is intended as a real international entry point. We do not create near-identical city pages just to target search terms.
Ask your basement question
You can write in English. Explain what you see and what you want to achieve.
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