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Green Roof Case Study - Tarn Hows

Hertalan logo Hertalan Green Roof Case Study - Tarn Hows
 

Client

National Trust

Architect

Paul Crosby

Design

Green Estate

Main Contractor

Cox & Allen (Kendal) Ltd

Roofing Contractor

Othick UK

Type of Development

Visitor Centre

Reason for Green Roof

Minimise impact of the centre in a sensitive location.

Type of Roof

Hertalan extensive sedum plug plant system

Size of Green Roof

150m2

Build up of Roof

18mm plywood deck, 1mm hertalan butyl vapour control layer, 120mm rigid insulation board, 1.5mm hertalan EPDM, FLL approved, prefabicated membrane, moisture retaining anti slip drainage board, 100mm extensive soil substrate comprising of a mixture of crushed brickwork and compost, Jute netting, 50mm extensive soil substrate mix, 2000 local sedum plug plants.

Comments

A biodiverse designed structure with emphasis on locally sourced materials and minimal impact on the Lake District National Park.

Completion Date

February 2008

 

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