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Rotunda Roof, Tate Britain, London

Date: September 2014


  • Roofing and Liquid Plastics
  • Refurbish to match current aesthetics
  • Exterior maintenence

What did the Tate Britain require?

Tate Britain is a renowned art gallery and part of the British Tate gallery network. It is located in the Tate’s original premises on Millbank, London on the site of Millbank Prison and is the oldest gallery in the network, opening in 1897.

The Tate Britain required repairs to their current lead rotunda roof. The roof of the classic portico and dome had split and ripped due to natural weathering. The roof therefore required re-waterproofing with a heat-tolerant material, to cope with high levels of movement whilst maintaining the waterproof integrity.

What did MC Designers do?

Being Sika approved, MC Designers used a Sika Liquid Plastics Decothane Delta 25 system for the 600msq re-roofing project

  • Curing to provide guaranteed waterproof protection,
  • Easily installed around complex detail areas as a seamless membrane, making it ideal for use on complicated roofs,
  • Meeting the highest fire ratings available for a roof system,
  • Coloured similarly to the original roof aesthetics.

How did the Tate Britain benefit?

The Tate Britain benefit from a waterproof, fire-retardant, aesthetic roof on their portico and dome.