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Airtightness is fundamental to sustainable buildings

Aldas are experienced trainers and originated the “Airtightness Champion” concept, as well delivering numerous on-site trainings and many CPD seminars to architects and builders. Aldas developed the 12 Steps to Airtightness approach to enable UK contractors to reliably deliver airtightness in Passivhaus and other low-energy projects.

Too much air leakage is bad for our buildings and bad for our health. Aldas can help

  • Airtightness Consultancy
  • Design advice & Planning
  • Onsite training
  • Training courses & CPD



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