Sika membrane provides waterproof solution for new hospital building

Flexible, durable surface material used for expansion of Yorkshire facility

Sika's Type 'S' mebrance was used to waterproof the roof at Fieldhead in Wakefield

Sika-Trocal’s flexible, durable Type ‘S’ membrane provided the ideal waterproof solution for a large and complex roof installation at a new health facility.

Completed in two phases, the extension to Fieldhead in Wakefield, West Yorkshire – run by South West Yorkshire Partnership NHS Foundation Trust – was built to provide additional patient accommodation.

The project’s first phase involved the installation of Sika-Trocal’s Type ‘S’ waterproof system across a 2,000sq m area of roofing.

The 2mm-thick, mechanically-fastened, single-ply membrane’s adaptability was ideal for the task, as it had to cover a number of intricate roofing details.

Selected by Interserve Construction, FCB Roofing installed the slate-grey Type ‘S’ membrane to 400mm-thick tapered insulation.

This accommodated the roof’s intricate multi-directional design and its various falls.

For the 2m verticals and curved areas, Sika-Trocal parapet trim provided a uniform finish.

Waterproofing work on the project’s second phase presented a different challenge for installers, with the entrance’s 2,000sq m fan-style, five-tier roof.

Again, the Type ‘S’ system’s malleability proved crucial in overcoming an application of such complexity.

Tony Comrie, contracts director at FCB Roofing, said: “I don’t know of any membrane that would have been suitable for this project, other than the Sika-Trocal Type ‘S’.

“It helped simplify a challenging installation and its flexibility was essential to the waterproofing being finished on time and to the highest standard.”