Alumasc Waterproofing & Green Roofing Solution at Buchanan Street

185-221 Buchanan Street is a new £70m mixed development comprising 11,400m² of retail space and 49 residential units. Owned by Land Securities, the development features a large rooftop garden which required a robust waterproofing solution.

BDP Architects specified both Alumasc’s Hydrotech hot melt structural waterproofing system and green roof on the scheme due to the benefits offered by a single-source solution and, of course, the quality of the products.

One challenge on the project related to the architect’s intricate roof detailing, which meant a close working relationship with Alumasc’s technical team was developed from the outset. As a hot-melt system, and due to its versatility, Hydrotech was ideally suited to accommodating this and was perfect for use under the green roof.

Alumasc’s green roof system addressed the need for a suitable growing medium to be supplied that could be deposited onto the 5-storey building’s roof in large volumes. This was required as a result of the development being in a busy city-centre location. These issues were overcome and the intensive green roof garden was installed in an efficient manner. In total, over 4,000m²  of Hydrotech and 2,000m² of green roofing, was installed.

Commenting on the project, Kath MacTaggart, landscape architect at BDP, said:

“As with any roof garden project, the challenge is in the detailing of all interfaces and logistics to ensure that a system is watertight. We used Hydrotech at Buchanan Street as it was part of the proprietary Alumasc green roofing system and therefore had the benefits of a fully guaranteed system. To date, we are very happy with the results.”

Area Manager for Scotland at Alumasc Roofing, John Kelly, adds:

“It was great to be involved with such a celebrated development in this major area of Glasgow. The Hydrotech system will ensure the integrity of the roof for many years to come, whilst the green roofing provides an attractive outdoor space for residents to enjoy.”

Hydrotech is a BBA approved, fully warranted waterproofing system, designed to last the lifetime of the structure it is applied to. It has European Technical Approval and is FM Approved. Alumasc green roof systems, under the Blackdown brand, are available in Intensive, Bio-diverse and Extensive application categories with a wide range of planting options.

The Buchanan Street roof garden joins a long line of prestigious developments that have benefited from the quality and expertise offered by Alumasc Roofing systems.

If you would like any further information please call us on 03335 771 700, visit our website www.alumascroofing.co.uk or email roofing@alumasc-exteriors.co.uk.

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