Air Pressure, Sound Testing and Air Testing Services UK

Head Office: Sayells Farm, 7 Harlington Road, Upper Sundon, Bedfordshire, LU3 3PE
Tel: 07967 233836 or 07775 623464
Email: info@airpressuretesting.net
Offices in London, Luton and Cardiff

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Why Acoustic Testing

Why Thermographic

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Air & Sound Testing in One Easy Package

Air Pressure Testing LTD achieves the lowest air leakage rate in the UK




 

4340

A UKAS Accredited Company

Accredited to ISO/IEC 17025:2005

For Air Tightness & Sound Insulation Testing

Registered in England & Wales No. 527550

 

Air Test Services

Air Pressure Testing offer Simple solutions to your Air Test & Air Leakage problems based on years of practical on-site experience.

• Rapid turnaround of Air Test & Air Leakage quotes.
• Easy to read Air Test & Air Leakage quotes with all costs clearly shown.
• Fast, simple and efficient administrative system.
• Pre-site Air Test & Air Leakage service visits. (A small charge is made for this service.)
• Simple, reliable and accurate on-site Air Test & Air Leakage procedures that comply with the latest revised standards.
• Non intrusive Air Test & Air Leakage Testing methods
• Saturday & Sunday as well as out of hours working up to 22.00 hrs
• Flexible test times to suit YOU.
• Quick response for a test. (This can be as little as 24hrs if all the details are made available to us, to include the envelope area and the volume of the building along with the Air leakage rate you need to achieve
• Friendly, knowledgeable staff on all tests.
• Our aim is to get you a Pass!

View Air Leakage Checklist

What if your building fails?
In the event of a fail, smoke testing and thermal imaging can determine the main areas of leakage. We often provide this service on the test day to allow immediate rectification and re-test. A full pictorial and written report is included.

Questions answered for the Air Leakage Testing Of Dwellings:
The Design Air Permeability for each dwelling type within a development will be determined by designers as part of the overall DER (Dwelling CO2 Emissions Rate) calculation. The maximum design air permeability allowable (is 10 m3/(m2.hr) @50Pa.

Sample testing is required of each dwelling type on each development. Building Control will identify the (early) units to be tested. The sample size depends on whether ‘Robust Details’ have been used:

If Robust Details adopted, test one of each dwelling type on each development. If any fail, do remedial work, test again plus another dwelling of the same type on same development

If Robust Details not adopted, the number of tests to be carried out on each dwelling type on each development are as follows:-

• 4 or less dwelling types - test one of each
• Between 5 and 40 types - test two of each
• Above 40 types - test 5% of each. For each type, this can reduce to 2% if the first 5 tests are successful.


A relaxation Applies until Oct 2007. If the first test fails, the target becomes either 75 % of difference between 1st test result & the target, or the target is increased by 15% - whichever is the higher. A higher air permeability test result can be accepted if the recalculated DER remains better than the TER (Target CO2 Emissions Rate) - in spite of the higher air permeability rate

Small Developments (2 units or less). An alternative to testing is to either prove that a satisfactory test result has been achieved on another dwelling of the same type in last 12 months, or use an assumed leakage rate of 15 m3/(m2.hr) @ 50 Pa in the overall carbon emissions calculation.

Blocks of Flats have to be considered as separate developments, regardless of how many are on the same site.

Testing Companies engaged to carry out tests under this revision of the Approved Document should be members of the British Institute of Non-Destructive Testing.

Download an electronic copy of Approved Document L1A hereDownload an electronic copy of Approved Document L1A here

Questions answered for the Air Leakage Testing Of Dwellings:
The Design Air Permeability for the building will be determined by designers as part of the overall BER (Buildings CO2 Emissions Rate) calculation. The maximum design air permeability allowable is 10 m3/(m2.hr) @50Pa.

A reduced Design Air Permeability (i.e. a high level of air-tightness) will serve to further reduce carbon emissions and make the TER easier to achieve. It may also mitigate the cost of more expensive carbon emission reduction strategies.

A relaxation Applies until Oct 2007 on Buildings with less than 1000m2 Gross Total Useful Floor Area. If the first test fails, the target becomes either 75% of difference between 1st test result & the target, or the target is increased by 15% - whichever is the higher.

A higher air permeability test result can be accepted if the recalculated BER remains better than the TER (Target CO2 Emissions Rate) - in spite of the higher air permeability rate, providing the air test result remains below 10 m3/(m2.hr) @50Pa.

Consequences of Failing an Air Test: remedial works must be carried out and the building retested until the required result is obtained. From ADL2A “If it proves impractical to meet the design air permeability, any shortfall must be compensated through improvements to subsequent fit-out activities.”

Buildings below 500m2 Total Useful Floor Area. Testing of these smaller non-residential buildings is optional. However, if testing is not carried out, an onerous air permeability rate of 15 m3/(m2.hr) @50Pa must be assumed and used in the overall BER calculation.

Other buildings types that need not be tested include, subject to certain qualifications: modular, factory-made buildings, large extensions (that are large enough to be assessed as a new building) that cannot be sealed off from the existing building, large complex buildings, and compartmentalised buildings. See ADL2A and ATTMA TS1 for detailed guidance.

• Extensions to Existing Buildings, are covered by L2B, unless their Useful Floor Area is more than 100m2 and is more than 25% of the total useful floor area of the existing building. In these cases ADL2A applies, and, depending on size will require air permeability testing.
• Testing Companies engaged to carry out tests under this revision of the Approved Document should be members of the British Institute of Non-Destructive Testing.

Download an electronic copy of Approved Document L2A hereDownload an electronic copy of Approved Document L2A here

Air Tightness Testing
Air Pressure Testing Ltd offers a complete range of technical Air Tightness testing, Thermographic surveys and consultancy services to help clients gain compliance to Part L.

Please use the following link to understand the services Air Pressure Testing Ltd offers, from air tightness and smoke tests, to Acoustic Testing and Thermographic surveys and various consultancy services

Air tightness, Smoke Tests, Acoustic Testing and Thermographic Services

Air Test Services
When providing Air Test services to our clients we are able to provide a personal, helpful, efficient and cost effective service. When contracting for Air Test services, Air Pressure Testing strive to give you clear accurate answers without the hype, so you can make informed decisions. Air Pressure Testing have many years experience and have evaluated hundreds of homes and commercial structures for air test, acoustic and air leakage testing issues.

Air Pressure Testing air test technicians will be able to surrey and report on air quality problems in your home or commercial property that can affect you or your family’s/employees health, comfort and safety. Our indoor air test technicians use state of the art equipment to surrey and monitor your environment to measure temperature, humidity, carbon dioxide, carbon monoxide, and other issues within the environment.


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