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Posts Tagged ‘airtightness’

November 16, 2018

What is airtightness? Or is it air tightness…?

Airtightness or air tightness is… Airtightness is the property of a building that prevents air flows through its structure or fabric, i.e. by infiltration – from the outside to the inside, or by leakage – from the inside to the outside. Airtightness is sometimes confused with wind protection: the purpose of wind protection is to […]...

AUTHOR: Petra Vladykova Bednarova

February 28, 2017

Passivhaus airtightness standard in practice!

Design stage – identifying the air barrier strategy The key principle for achieving airtightness is to create a single, continuous and robust airtight layer (or air barrier). This layer surrounds…...

AUTHOR: Petra Vladykova Bednarova

February 14, 2017

Passivhaus: AP50, q50 and n50!

Air permeability pressure testing and passivhaus n50 To comply with UK non-domestic Building Regulations (Part L2) it is necessary to carry out an air permeability pressure testing on all buildings…...

AUTHOR: Petra Vladykova Bednarova

February 7, 2017

Airtightness Requirement for Passivhaus Certification!

Very low air leakage rates are required by the Passivhaus standard and must be demonstrated for each certified building by means of a “blower door” air tightness test. The air…...

AUTHOR: Petra Vladykova Bednarova

January 5, 2017

Pressure test for airtight passive house!

Two pressure tests A minimum of two pressure tests will be needed, and three are advisable in some cases. The first should be conducted at the end of first fix…...

AUTHOR: Petra Vladykova Bednarova