Issue 37 - passivehouseplus.co.uk

Superb airtightness result for Manchester ICF house

A new passive house in Manchester, built by Passive Building Structures, has achieved an airtightness test result of 0.31 air changes per hour at 50 Pascals on its final blower door test, easily beating the passive house airtightness standard of 0.6.

Calsitherm boards to be rebranded ‘Red Board’

Calsitherm and Redstone, two of the largest providers of calcium silicate based interior insulation and mould prevention products, have joined forces, with the Paderborn-based family business Calsitherm taking a majority stake in Bremen-based Redstone.

New embodied carbon rules for large London projects

Building life cycle assessment (LCA) experts Bionova have advised architects, developers and contractors to be aware of their LCA obligations under the Greater London Authority’s new London Plan, which came into effect on 2 March. The London Plan is the spatial development strategy for the Greater London Authority (GLA).

Viessmann launch ventilation system to tackle covid in schools

Viessmann has launched a new ventilation solution to combat the spread of Covid-19 in schools. The company’s new hybrid ventilation unit, the Vitovent 200-P, provides closed rooms with constant air circulation of filtered air.

New profile Progression window gets passive certification

The new profile Progression passive-certified range of triple glazed timber windows, with glass reinforced plastic (GRP) cladding, recently received its A-rated passive house component certification.

Liquid membranes transforming airtightness work — Blowerproof UK

Liquid airtight membranes are revolutionising airtightness works in public and commercial buildings, according to leading supplier Blowerproof UK, because of their ease and speed of application especially direct to block, brick and concrete, and inherent ability to deliver airtightness around difficult junctions.

AECB launches new retrofit standard

The Association for Environment Conscious Building has announced the launch of the new AECB Retrofit Standard, which like its AECB Building Standard, is based on the passive house standard and designed to promote a whole-house, fabric first approach.

Green groups critical of latest budget

Leading environmental and green building charities have criticised the government’s lack of ambition on retrofit, upskilling and a green economic recovery in its latest budget.
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