Knauf praises Scottish commitment to reducing carbon emissions with new Technical Handbooks

Published:  05 October, 2015

Knauf Insulation has welcomed the new edition of Section 6 (energy) of the Technical Handbooks, which were released at the beginning of this month by the Scottish Government.

Although the methodology of Section 6 remains the same as the previous version, there is an increased focus on reducing carbon dioxide emissions in both domestic and non-domestic buildings.

Indeed, the improvement in performance is to deliver a 21% aggregate reduction in carbon dioxide emissions, over the 2010 standards for domestic buildings and a 43% aggregate reduction in non-domestic buildings.

However, when it comes to the fabric of a domestic property, it is important that housebuilders note the key changes; in standard 6.1, SAP2012 has now been replaced with SAP2009 to calculate dwelling emission rates. Within clause 6.2.1 there is an improved fabric backstop for new buildings and in clause 6.2.9 there is an improved fabric backstop for extensions.

The below table describes the changes to U-value backstops for new dwellings:

Element2013 maximum U-value2015 maximum U-value
Roof - ceiling level (loft)0.18 W/m2K0.15 W/m2K
Roof - rafter levelW/m2K0.15 W/m2K
External wallsW/m2K0.22 W/m2K
Party wall-0.20 W/m2K
Ground floorW/m2K0.18 W/m2K

Knauf Insulation’s market development manager, Stephen Smith, said: “It is great to see that Scotland has stuck to its goal and is truly dedicated to reducing energy demands within residential and domestic buildings.

“Indeed when you compare the 2015 standards to 2007, there has been a 45% improvement on reducing carbon emissions for domestic buildings and a 60% increase for non-domestic buildings.

“This is a very welcoming change, especially since England’s Government has removed the zero carbon target and there is uncertainty over future changes to Part L. Reducing carbon dioxide emissions across our buildings is crucial in tackling overall climate change.”

Knauf Insulation says it can demonstrate to installers how compliance can be achieved for all elements where the U-value backstops have been improved on Section 6.

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