New Critical Care Unit

New Critical Care Unit
  • Location: Kings College Hospital, London
  • Architect: BMJ, London
  • Completion date: 5th September 2018

Project background

Kings Critical Care Centre is radically changing the way it care for the most seriously ill and injured patients by creating a new world class Critical Care Centre. Each year the dedicated team of nurses and doctors provide critical care for over 3,600 people who urgently require lifesaving medical treatment. The new £68 million Critical Care Unit will provide natural light, uplifting art-work and home comforts.


Construction of a new Critical Care Unit above an existing theatre block in a busy working hospital was always going to prove difficult. Also challenged by a city centre site with limited access and a main line rail network beside the site, management logistics and careful planning were required by the team headed up by main contractor McLaughlin & Harvey. The irregular shaped corrugated sheeting that carries the concrete floor above would prove difficult to insulate from the exposed un-insulated plant room due to several reasons including the weight of the plant resting on the floor.

The solution

Architects BMJ turned to WALLTITE® CL100 high density polyurethane spray insulation to provide a versatile material that could be sprayed from below onto the underside of the corrugated metal sheeting, providing the required U-value. An intumescent coating was subsequently applied to the cured polyurethane insulation to achieve a Class 0 fire rating to BS 476. The BASF WALLTITE® CL100 spray foam polyurethane system was installed with specialist equipment supplied by the Foam Master contractor. WALLTITE® produced a rigid seamless insulation layer with no joints, gaps or waste.

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