Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more
Environmental Noise Levels
The max exposure time at 85 dBA is 8 hours, at 110 dBA it's just 1 min 29 seconds. If exposed, limit the time and wear hearing protection...more
Birmingham - Air Testing - 0121 381 0129
How Many Properties Need An Air Tightness Test?
The number of tests required are as follows:
- 4 or less properties of the same type: one test needed per type
- More than 4 but less than 40 dwellings of a type: at least two tests of each type
- More than 40 properties of a type: 5% of each type UNLESS the first 5 get a passing score - then this can be dropped to just 2%
What Does An Air Leakage Test Involve?
Employees can still do their job inside a commercial building in Birmingham, within reason, though may feel some discomfort due to the noise of the fan and the draught that will be felt throughout the building. There should be no outside access once the test has begun - which lasts for approximately 90 minutes, so plan accordingly.
Whilst the air tightness test is being undertaken, furniture will not be affected but smaller items such as paper must be held down or removed completely so they're not blown about. The pressure of the room will be tested and as such all windows and doors that lead outside must be securely closed to avoid them swinging open and the test being abandoned. Similarly, all internal doors should be wedged open to avoid being slammed shut.
An air test involves placing a large fan, or several fans, to an opening within the property; usually a doorway. The fans will increase and decrease in speed that will in-turn change the building's air pressure and record the results. Please note: an air test cannot be carried out if wind speed is more than 13mph. 3 metres per second is the ideal wind speed when undertaking an air test in Birmingham.
When Should The Test Take Place?
For obvious reasons, an air pressure test is generally one of the last surveys to be undertaken once all the walls, windows, doors etc. are complete and sealed to stop any air escaping and prevent drafts through the property. The building envelope will also need to be completed.
What Air Permeability Rating Do I Need?
A passing score in Birmingham is 10 m³/(h.m²) for an air permeability rating which resembles the amount of uncontrolled air that's leaking from the dwelling. Should the test fail, our air tightness team will help you identify where the leakages are happening in the hope that a passing score will be achieved after a re-test.
Do I Need An Air Leakage Test?
We offer air leakage testing throughout Birmingham where our experienced assessors will be happy to offer advice on the best ways to gain your air permeability rating. Planning your test in advance will help us determine how many tests you'll need ahead of time per property.
On a large plot of new houses that are built to a similar specification, only a sample of the houses will need to be air tested. This is outlined in Part L of Government building regulations.
Domestic properties and commercial buildings over a certain size must have a passing air leakage certificate before the property can be handed over following a sale. All new buildings in England and Wales have had this requirement since 2006 and in Scotland this has been mandatory since 2010.
For further Air Testing information for your area, be sure to check out Air-Testing-Birmingham.co.uk.
Our other services include:
SAP Extension Calculations, SAP Calculations (TER/DER), Energy Statements, Part F Ventilation Testing, Thermography, Part E, Sustainability Statements, SAP Conversion Calculations, Acoustic Testing, On Construction EPC, Environmental Noise, Part G - Water Calculations, Code 4 Sustainable Homes,
Air Testing can also be known as:
Domestic Air Testing, Domestic Air Pressure Testing, Domestic House Leakage Testing, Domestic Air Tightness Testing, House Leakage Testing, Domestic Fan Pressure Testing, Air Integrity Testing, Domestic Air Integrity Testing, Air Tightness Testing, Air Pressure Testing, Air Leakage Testing, Domestic Air Leakage Testing, Fan Pressure Testing,
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