Kingspan TEK Building System at RHS Wisley

Kingspan TEK Building System erected at RHS gardens

  • 22 Sep 2017

A new office building has been constructed at the Royal Horticultural Society’s Wisley-based gardens, using the Kingspan TEK Building System of Structural Insulated Panels (SIPs). 

An extensive redevelopment programme, which includes the construction of educational spaces and re-landscaping, is currently underway at RHS Wisley.

As part of the project, Evelegh Designs collaborated with Ashley Group to erect a single-storey office building for the flagship garden’s 72 staff members. Using 142mm and 172mm Kingspan TEK Building Systems panels to construct the walls and roof respectively, the team was able to complete the build in three weeks.

Kingspan TEK Building System

The Kingspan TEK Building System panels were factory-cut according to the office building’s design, with space left for the doors and windows. They were fixed together via a unique jointing system, designed to ensure airtightness, to create the shell of the building.

The PEFC-certified panels comprise an OSB/3 facing, which is bonded to a highly-insulated core, to further enhance the system’s thermal properties. The facing also supports a range of façade options; to achieve the required, traditional barn aesthetic, black weatherboarding was installed on timber battens and fixed to the external wall, whilst clay tiles were used to clad the roof.

The Kingspan TEK Building System was able to surpass the original tender’s requirements, offering a U-value of 0.19 W/m2.K on the walls over the specified 0.22 W/m2.K. By utilising the 172mm panels for the roof construction, the team was able to achieve an U-value of 0.17 W/m2.K.

All panels are produced in a manufacturing facility which holds FSB and PEFC Chain of Custody certification.

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