The Cedars, St Helier, Jersey

The Cedars, St Helier, Jersey

Client: States of Jersey Housing Department
Architect: Morris Architects St Helier
Contractor: AC Mauger Construction of Jersey
Type of works: supply and installation of Alumasc's external wall insulation.

Swistherm external wall insulation with Acrylic Brick Slips from Alumasc has transformed a landmark Jersey tower block to the delight of its residents.

Located in the island’s capital, St Helier, The Cedars is a residential apartment block managed by the States of Jersey Housing Department, who commissioned the refurbishment work in order to correct structural defects and improve the thermal performance of the building whilst maintaining the unique listed brickwork elevation.

5,000m2 of Alumasc’s Swistherm Insulated Render was installed by Rateavon Ltd. This BBA approved, fully warranted system has provided a weather tight façade able to withstand the rigours of The Cedars’ exposed coastal location, improving the building’s thermal U-Values from 1.75W/m2K to 0.35W/m2K. Residents have already reported that their apartments and communal areas are much warmer and that the work has helped to eliminate draughts.

In addition to improved thermal properties, a key requirement of the scheme was to replicate the existing brick façade in accordance with conditions specified on the project’s Planning Permit. Alumasc’s innovative Acrylic Brick Slips were specified for their ability to retain the tower block’s unique appearance. The Cedars is the first high-rise project where the Brick Slip system has been used so extensively.

Acrylic Brick Slips have been developed directly to complement Alumasc’s wide range of lightweight render systems and are extensively used to match existing detail after renovation work. They offer a hard-wearing, UV-stable solution on areas of façade where the use of real bricks would not be viable due to their weight.

The project architect, Ian Marett of Morris Architects St Helier, commented: “The work has transformed what were dull and rather dreary buildings into a modern and vibrant environment. It has prepared them for a further life cycle and enhanced the surrounding area.”

The contractor was AC Mauger Construction of Jersey.

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