Air Tightness Tests on a Low Energy Build in Cookstown

...08.05.2021 We are now at the stage of applying the airtightness materials to the critical locations in the build.

Supplied by ECOHomes Store, these materials include all the tapes and membranes used to seal all the areas where air infiltration can occur.

We have shown in the photos a typical window which is one of the most common and intricate areas to seal up. For our clients at FmK we arrive on site with our own blower door kit and pressurize the house, allowing us to detect and seal any defect points or slight gaps in the application of the materials. 

This is invaluable at this stage rather than just doing the air test at the end as at that point it is too late to remedy any final leaks.

Once this is completed, the builder can continue to plasterboard and plaster the interior of the house.


Airtightness Materials used:

CONIZO 60 / SL60 - Airtightness sealing tape for membranes and windows

VARASeal SL80 - Plasterable airtightness tape for junctions to masonry

IZOPerm - Airtightness membrane for ceilings

ACRAPrime - Spray on primer for blockwork connections

Blowerproof / VARAFluid - Paint on liquid memnbrane for all those awkward areas.

To see the full range of airtightness and thermal bridging products visit

If you have a project give FmK Architecture a call today on 02825878650  or email us at 📨

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