Stroma Technology provides all the testing and consultancy required to ensure compliance with parts B, E and L of building regulations.

We are one of the leading UKAS accredited testing bodies in the UK. Irrespective of project type or size, our nationwide team of engineers can carry out the following: air leakage testing and consultancy; acoustic insulation testing; thermographic surveying and energy assessment.
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Air Leakage Testing Equipment Commercial Testing

Stroma’s standard offering for the air leakage testing of large buildings, as required under Part L2A, is the Retrotec QMG high powered - 3-fan system.

Variations to this package or individual kit items can of course be accommodated. A QMG 3-fan system is sufficient to carry out building permeability tests with an air permeability of 10 m3/(hr.m2) @ 50Pa (or less) with envelope areas of up to 3900 m2.



A Standard Kit Comprises:

  • Three high-power 110/230V 3000 Series fans, with blanking covers and carry cases
  • Reducer plates for one fan
  • Digital multi-function building pressure manometer
  • Automatic pressure control
  • Console Foldable 3-fan plastic support panel with bracing struts, ties and carry case;
  • Three 110V/230 transformer units with local fan speed control facility.
  • Retrotec E2001 air testing software
  • Accessories Kit Bag, containing grill mask, pressure measuring tubes, smoke puffer, etc.

QMG Spec Sheet

DM2-A Spec Sheet



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