Edinburgh, United Kingdom

With speed and ease of installation crucial at the conversion of an oldoffice building in Edinburgh into a new Premier Inn, over 1,500m2 of Sika-Trocal® Type S provided the perfect roofing solution to keep the multimillionpound project on track for completion.

Flat Roof Project Requirements

Designed by Holmes Miller Architects for Consensus Capital Ltd and Interserve Construction, the £17 million development comprises acomprehensive conversion of the existing 1970s office building. Located centrally within the New Town and World Heritage sites in Edinburgh, thecompleted building will provide a new 127-bedroom Premier Inn hotel. With careful consideration given to the external aesthetic, Holmes Miller worked closely with City of Edinburgh Planning Department to produce a contemporary and elegant finish that is sympathetic to its historic context. Clad in natural stone, zinc panels and full height glazing, the building required a complementary roofing system with a long term guarantee.

Sika-Trocal Solutions

Specialist contractor McConnell Roofing turned to Sika-Trocal® for its cost-effective, hassle-free application. Specified in slate grey and with an extended guarantee of 20 years, the Type S membrane offered the perfect combination of ease, speed and long term performance.The 2mm thick Trocal S membrane was mechanically fixed using Sika-Trocal’s innovative laminated metal disc system. This system seesthe membrane and insulation mechanically fixed to the roof in a single process, ensuring a fast installation minimising components required and reducing overall project costs. Suitable for mechanically fastened roofs in both new build and refurbishment applications, Sika-Trocal® Type S is one of the most rapidand economic systems to install. It also offers exceptional waterproofingand durability, and is approved by the British Board of Agrément (BBA) to have a life expectancy of up to 35 years. With the roof application complete, the high quality installation of the Sika-Trocal® single ply membrane has not only helped to revitalise an ageing building but will ensure the hotel’s staff and visitors will remain protected from the elements for years to come.

Products Used


Sika-Trocal Type S 

Sika-Trocal Type SGmA

Sika-Trocal SVap 500E