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Frequently Asked Question

Just some of the questions we get asked by our clients

A selection of Frequently Asked Questions from our clients

What is Air Pressure Testing

Everything you want to know about Air Leakage Testing

Air pressure testing is a method of measuring and quantifying the air leakage of a building. The test consists of putting a fan contained in a temporary screen into an outside door rebate and pressurising or depressurising the building whilst recording the air leakage rates. The external air pressure, wind speed and temperature are measured at the same time, since they have a bearing on the results of the test. Part 1LA of the Building Regulations 2006 makes it a legal requirement that new domestic dwellings pass a mandatory air tightness test before being occupied.

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I have a large development, how many plots do I need to test

Air Pressure Testing Regime

As of October 2010, Building Regulations required that Air Pressure Testing is carried out on a minimum of three units of each dwelling type, or on 50% of a particular dwelling type, whichever is the least number.

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