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Weber Supports Huntingdonshire DC’S Green House

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Weber Supports Huntingdonshire DC’S Green House


Published by Jackie Biggin for Weber in Environment and also in Housing

Weber Supports Huntingdonshire DC’S Green House Weber Supports Huntingdonshire DC’S Green House

In an innovative project carried out by Huntingdonshire District Council (HDC) and theBuildingResearch Establishment (BRE) as part of their ‘Rethinking Refurbishment’ campaign, a typical 1960’s two-bedroom family detached house in St Ives, Cambridgeshire, has been used to demonstrate how refurbishment can be both sustainable and affordable.


weber.therm XM External Wall Insulation (EWI) has been specified as one of the key systems that will achieve high performance and sustainable standards.  HDC, along with contractors Apollo Housing, has concentrated on improving the building fabric and reducing carbon emissions by installing efficient insulation and heating systems, renewable energy technologies and water efficiency measures.


“TheUK’s housing stock produces around 27% of all carbon emissions and while progress has been made on improving the energy performance of new build properties through the Code for Sustainable Homes, we must face the challenge of improving our existing housing stock,” saysMarkHouston, Architectural Technician at HDC.  “The Government’s target of reducing emissions by 80% by 2050 is a challenge which we all face.  The majority of theUK’s properties will still be occupied by then so it’s essential that such properties are sustainably and affordably refurbished.”


The BBA certified weber.therm EWI system is suitable for both traditional and non-traditional solid wall housing and can significantly reduce heat loss leading to lower costs and reduced carbon emissions.  weber.therm XM EWI has been applied to the exterior walls of the St Ives property extension, improving thermal performance and simultaneously revitalised its appearance.


This and another Green House in St Neots have achieved Super Home status from the Sustainable Energy Academy (SEA).  The St Neots property is a fine example of how an existing property can be improved for a relatively modest financial outlay with no structural impact, using local suppliers and affordable, efficient products and techniques.


The St Ives Green House, while undergoing sustainable refurbishment, has benefited from replacement single storey and two-storey extensions, providing an additional bedroom and integral garage.  Both properties are to be used as showcases for local residents, schools and tradespeople, demonstrating additional features such as; a green roof, rainwater harvesting and triple glazed windows.


BRE carried out extensive before and after tests on the Green Houses and provided the specifications for the refurbishment measures which have improved their energy rating and lowered carbon emissions.  “Using weber.therm XM EWI has improved the U-value of this property to 0.18 W/m².K which is a remarkable achievement,” says Mark Weaver, Marketing Manager, Saint-Gobain Weber.


The weber.therm XM EWI system supplied for this project uses a calculated depth of insulant – either expanded polystyrene, mineral wool or phenolic – which is mechanically applied or bonded to the masonry substrate, followed by a reinforced render.  It can be finished with a decorative scraped, dry dash or smooth render finish.


Saint-Gobain Weber can advise on the most appropriate system and provide U-value analysis.  Social and private landlords, who may be eligible for government funding through the Carbon Emissions Reduction Target (CERT), and the Community Energy Saving Programme (CEST), may also seek assistance from Saint-Gobain Weber in helping with the administration associated with applying for and securing funding.


Please call 08703 330070 for more information about weber.therm External Wall Insulation and render systems or visit and request a copy of the Weber Render Solutions handbook in hard copy or CD format.   


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