Alumasc Green Roof Chosen For Eco Holiday Homes

A combination of Alumasc ZinCo Biodiverse and Extensive Green Roofs has been chosen for an outstanding ecological project at Trevose Golf and Country Club in Cornwall.

Seven new holiday lodges have been designed by Architects Lilly Lewarne, to an eco-friendly specification, replacing the original timber visitor chalets which were erected in the 1950’s. The main contractor on the project was Midas Construction.

Alumasc’s ZinCo Green Roof system was specified to ensure that the lodges blended with the fairway and outreaching landscape. The lodges are located on Trevose Head, a spectacular natural landscape on the North Cornish coastline and a designated Area of Outstanding Natural Beauty. They are visible from the clubhouse and required a sustainable roofing solution to minimise their visual impact on the golf course and surrounding areas.

Alumasc’s ZinCo Biodiverse Green Roof system was specified for Lodges 1-3, using a combination of turf and planting to blend in with the green at the 18th hole of the golf course. The existing fairway was continued up the side of the new building and formed part of the grass roof. The Biodiverse planting scheme was chosen carefully to suit the area and attract local species of insects.

Lodges 4-7 are camouflaged by a grass bank but required a green roofing solution due to their visibility from the club house.  Alumasc’s low-growing ZinCo Extensive Green Roof system was used, comprising self-sustaining sedum plants which are wind, frost and drought resistant. These plants will eventually establish themselves to form a natural habitat for existing wildlife species in the area.

The depth of the growing medium and the detailing of the penetrations through the Lodge roofs posed massive challenges for the waterproofing, with the main problems being presented by sun pipe roof lights. Together with the Project Manager at Trevose, Alumasc’s Approved Installer Western Flat Roofing devised unique solutions to overcome the challenges presented by these intricate roof details.

A plinth was built onto the existing roof and extended lead sleeves were made to accommodate the lights and pipes. The waterproofing membrane was then taken to the top of the lead for the root protection. Completion of the detail at the junction between the roof and the tanking to the walls was painstaking and time consuming, but has resulted in the lodges being almost invisible when viewed from outside the site.

Alumasc’s ZinCo Green Roofs present a range of sustainable roofing solutions, designed and installed to suit the individual needs of each project. For literature, please call 0808 100 2008.

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