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Sto Brings Outstanding Thermal Insulation to 5-Star Hotel

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The Dunloe Hotel & Gardens, complete with new extension

A package of products from Sto has been used to help remodel one of the leading 5-star hotels in Ireland. StoTherm Classic K external wall insulation was used to provide outstanding thermal performance for the Dunloe Hotel in Beaufort, County Kerry, while Sto render and paint solutions were used to finish the external surfaces of the building.

“This was a major €20 million extension and refurbishment project,” explains Sto’s Technical Advisor for Ireland, Martin Mangan. “It involved construction of a new two-storey wing which includes a reception area, restaurant, lounge, bar, kitchen, stores and associated plant facilities, and quality was a key requirement throughout.”

The project’s focus on quality led to the StoTherm Classic external wall insulation system being identified as the most appropriate. “The client was looking for a market-leading insulation system and therefore specified StoTherm Classic,” adds Martin. “We worked with them to help develop the most effective solution that would provide first-class insulation and also create the correct visual impact for the building.”

This StoTherm Classic system uses Sto insulation boards and cement-free components which provide not only outstanding thermal performance, but also up to 10 times greater impact resistance than similar cementitious systems. This ensures that the hotel will retain its attractive appearance well into the future. Sto also supplied a small quantity of mineral fibre insulation for specific parts of this project, as well as its StoVentec R rainscreen cladding for the building’s entrance area.

The Sto system, which was installed by the main project contractor, Griffin Brothers Contractors, also included StoArmat Classic plus. “This is an organic, cement-free reinforcing coat which was applied to the insulation for extra strength,” Martin adds.

A variety of Sto renders and facade paint were used to complete the project. “This was an important aspect, as the owners were keen to retain the hotel’s existing identity which featured a distinctive ‘two-tower’ design,” Martin continues. “The ability to specify compatible renders and paint from the Sto range, in a selection of complementary colours for use on different areas of the building, helped blend the new build sections with the existing structure, while retaining the existing character of the building.”

StoSilco resin render was specified for some sections of the hotel. This provides a high degree of water repellence, and is particularly well-suited to the relatively coastal location of the Dunloe Hotel, where it may be exposed to harsh weathering. Other areas of the insulation were finished with Sto’s unique StoLotusan render. As StoLotusan cures, the surface forms a unique micro-structure similar to that found on the lotus leaf, greatly reducing the surface contact of water and dirt particles. Every time it rains, the rainwater simply rolls off the façade, picking up the loose dirt as it goes. This dramatically reduces the growth of algae and fungus and allows the façade to maintain its attractive appearance.

A finishing coat of StoColor Silco G was applied, which is designed for application on to mineral and organic substrates. This water-resistant facade paint has a silicone resin base with an encapsulated film protection which also helps to inhibit the growth of algae and fungus.