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British Gypsum Helps Wrap Up Victorian Family Home

By Administrator

British Gypsum

15th Oct 2015

British Gypsum has supported a young family in a project to maximise the thermal performance of their Victorian-period property in Lewisham, South London.

Zaria Greenhill, an Environmental Education Specialist, and her partner wanted to upgrade their cold solid-wall house from its initial E energy rating into a warm, energy efficient, family home. At the same time though, it was crucial that any improvements to the building fabric did not impact on the character of the property.

After an assessment and U-value calculations were carried out throughout the home, local specialist insulation installer Ecologistics, recommended a number of improvements, including internal wall insulation (IWI) systems from British Gypsum. IWI solutions were selected over external insulation alternatives, as they offered the opportunity to significantly improve the thermal performance of the walls without impacting the look of the property’s exterior or requiring planning permission. The Victorian property has traditional solid-wall – rather than cavity wall – construction, making it challenging to insulate with traditional products without spoiling the aesthetics.

British Gypsum’s Gyproc ThermaLine PIR 78mm plasterboard solution was specified for use in the two largest bedrooms. A highly insulating polyisocyanurate (PIR) foam and 12.5mm wallboard combination, Gyproc ThermaLine PIR offers greater thermal performance at a lower thickness than standard laminates, boosting energy efficiency in the home with minimal impact on the dimensions of the room. Gyproc ThermaLine PIR 38mm was used in the smallest bedroom to balance warmth and useable space. DriLyner RF, one of the thinnest solutions available, was used to fix the boards.

British Gypsum’s Thistle MultiFinish final coat plaster was also used on the walls of the renovated rooms to provide a smooth, high-quality finish ready for decorating as well as providing a quicker solution than taping and jointing.

As a result of the energy efficiency upgrades to the building fabric, the house now has a B energy rating, a significant improvement from before. The changes are expected to save the homeowners more than £687 on energy consumption over three years, having a considerable positive impact on their household bills.

James Jackman, MD at Ecologistics, said: “We were able to install the IWI solutions quickly, just as we would a standard plasterboard solution. This helped us cut the amount of time we needed to spend on the renovation project, keeping the disruption to the family to a minimum.”

Homeowner, Zaria Greenhill, concluded: “Having an energy-efficient home was important to me, both because of the challenge of heating the building and because of the effect on the environment. 

“Thanks to the wall insulation and other changes to the building fabric, our house already feels warmer and more comfortable for me and my family, particularly at night. We are being kept up taking care of our new-born at the moment, which would be a much less pleasant task, for us and our child, if the house was still cold.

“To top this off, my partner and I are far happier knowing that we have made a positive impact on our carbon footprint.”

Tags on this post: energy, environment, sustainability