Partel Worldwide

Technical Topics

Windtight construction - Why and how?
08 October 2013

Windtight construction - Why and how?

It sounds like an obvious answer but until now very few people even consider it. It is an important part of the construction fabric and although it may not cause the same heat loss or structural damage as ineffective airtightness its benefi...
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U/R-Values – The Difference Between Calculated and In-situ Measurements
20 May 2019

U/R-Values – The Difference Betwe...

U/R-values are used to describe the thermal performance of building elements including floors, walls, windows, doors and roofs. This data is then used to calculate the energy performance of the whole building which in turn can impact o...
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Airtight Membranes & SD values
04 September 2019

Airtight Membranes & SD values

Airtight Membranes & SD values Often referred to as airtight membranes know but should be classified as - Vapour Checks and Vapour Barriers. Before we discuss the differences in 1 & 2 we need to discuss Vapour resistance, SD values and μ v...
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Cavity Wall - has it a future in low energy construction?
26 February 2013

Cavity Wall - has it a future in low ene...

The cavity wall is an integral part of the UK & Irish construction industry - it accounted for approximately 70% of new housing. To meet new U -Values for building regulations, achieve passive levels of airtightness and to minimise thermal ...
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