Air Tightness Testing issues

Air Tightness Testing Issues Through our regular on site air tightness testing, we come across 4 main air tightness testing issues for failure: Behind kitchen units Bathrooms Service ducts Plasterboard on mortar dabs (most common method of lining walls, but can be done better) Many drawings by architects show common areas to seal around windows,…

What is a U value?

What is a U value? A U value is the measurement of heat loss (or heat flow) per m2 of surface area per 1 degrees C (Kelvin) temperature difference. The calculation measures the heat flow through a series of elements and includes internal and external resistance. An example is displayed below: In order to calculate…

Thermal Bridge Details

Thermal Bridge Details When carrying out a house design then to make it much easier for a SAP Calculation, it is really important to consider the Thermal Bridge Details. The default accredited details are now already incorporated into Part L 2013 so you really need to consider enhancements. The U value for a wall, roof…