Answered by Peter G. Schild, SINTEF Building & Infrastructure
Answered on 16 December 2009
Visits: 3963 visits
It is important to use the correct type of screw or rivet. Avoid screws with a wide drill tip (which drill a hole in the duct wall) and blind pop rivets (which are not airtight because the inner ...
This is defined in EN 13829, § 6.1.2. All exterior surfaces, plus floors, ceiling and walls to neighbouring apartments are taken into account.
However, other assumptions are used in some ...
Measurements usually show that light (e.g., timber-frame or steel) constructions are leakier than massive construction, but this is not bound to be. In fact, PassivHaus houses are often light ...
The airtightness measurement of single apartments is usually performed the same way as in individual houses. Therefore, there is no specific protocol to balance the pressure between the ...
There exists a certification scheme in Germany which is not compulsory to perform tests.
There exists a compulsory authorisation process in France for technicians who perform test on ...
To our knowledge, the UK is the only country that has made testing mandatory. This has been in force since 2002 for large buildings and extended to most buildings in 2006.
There are three major ways to estimate this impact:
- the simplest is to evaluate the infiltration losses based on a rule of thumb established by Drubul in 1988 (*) and suggested by ...
