Passivhaus & retrofit blogs - Green Building Store Green Building Store

Golcar Passivhaus: Door thresholds

ompacfoam Door Threshold Installation Detail

Blog featuring 3D diagram showing door threshold detailing at Golcar Passivhaus, including use of Compacfoam rigid thermoplastic insulation.

13th March 2017

Lower Royd radical retrofit: Roof, Heating & MVHR

Roof under construction at Lower Royd radical retrofit

Blog by Bill Butcher covering the roof, heating and MVHR strategies at the Lower Royd radical retrofit project.

1st March 2017

Step-by-step approach to retrofit

EnerPHit retrofit plan

Blog exploring the new EnerPHit Retrofit Plan, developed by the Passivhaus Institut, which explores a step-by-step approach to energy efficient retrofit.

24th January 2017

Lower Royds Radical Retrofit: Windows, first floor and extension

PERFORMANCE windows and doors at Lower Royd radical retrofit

Blog by Bill Butcher outlining details for reducing thermal bridging & improving airtightness at window/ floor junctions at the radical retrofit project.

28th November 2016

Guest Blog: Greener Planning Policy

Denby Dale Passivhaus at dusk

Blog looking at scope for local authorities to promote sustainability in the built environment given current English planning constraints.

4th October 2016

Lower Royd radical retrofit: Ground floor and walls

Diathonite internal wall insulation at radical retrofit

Blog by Bill Butcher on innovative approaches to internal wall insulation at radical retrofit project to reduce moisture risk.

21st July 2016

Golcar Passivhaus: UK Passivhaus Awards Finalist

UK Passivhaus Awards 2016

Blog sharing airtightness testing and final certification figures on the Golcar Passivhaus project, including client feedback and monitoring plans.

20th July 2016

Airtight homes & air quality: Missing the point

Green Building Store PERFORMANCE triple glazed timber inward opening windows

There have been a few articles in the media recently about modern airtight houses causing bad indoor air quality (IAQ). We find this misleading.

19th June 2016

Lower Royd radical retrofit: Background

Lower Royd retrofit

Blog introducing our new deep ‘whole house’ refurbishment of a Yorkshire farmhouse & barn using innovative internal wall insulation (IWI) techniques.

8th June 2016

Ensuring good operation of MVHR systems

Graph from Characteristics and performance of MVHR systems. A meta study of MVHR systems used in the Innovate UK Building Performance Evaluation Programme

Blog looking at improving MVHR heat recovery ventilation systems in operation and how poor maintenance programmes can impact on the performance.

16th May 2016

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