Airtightness Testing Level 1
Airtightness is the measure of how much air leakage there is from a building. This is determined by carrying out an airtightness test, and the figure obtained from the testing is the air permeability value.
Air leakage can be measured by pressurizing or depressurizing the building to see how much air flows in or out of the building at a given pressure. Air tightness tests are useful to architects, building services designers, energy assessors, builders, services installers, fire sealers, air tightness testers, building controllers, building owners/ occupiers, etc. Airtightness testing is the best way to assess the performance of the building fabric in stopping the uncontrolled passage of air. It is also a very effective method of locating air leakage paths in a completed building.
Since the 2006 changes to England & Wales Building Regulations and 2007 changes to the Northern Ireland Building Regulations, airtightness testing has been mandatory for new buildings. In Scotland it became mandatory in 2011 starting with flats and maisonettes and later expanding to all new dwellings. In the case of new dwellings, a sample of dwellings on every development must be tested. Testers must either be registered through a scheme such as the ATTMA scheme, or demonstrate to building control that they are competent to test and are using UKAS-calibrated equipment.
This 4-day course provides the theory behind airtightness testing as well as hands on training. It culminates in a three part examination which, when passed, will enable delegates to begin the process of registration. The practical demonstrations and practical exam on this course are carried out using Minneapolis blower door equipment.
Suitability - Who should attend?
Participants who would like to become accredited air tightness testers.
To get the most from this course Participants should be computer literate. Participants should have a base knowledge of mathematics, physics and construction practice and should understand the basic concept of building envelope areas. Participants in England, Wales and Northern Ireland should download and read ATTMA TSL1 and ATTMA TSL2 and bring copies with them when they attend the course. Participants in Scotland should download and read ATTMA TS1. Participants who intend to carry out tests in Scotland or the Republic of Ireland should obtain a copy of BS EN 13829:2001 "Thermal Performance of Buildings. Determination of air permeability of buildings. Fan pressurization method. Participants should download National Occupational Standards ASTATT1 to ASTATT10.
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