He knows his stuff having completed various high status projects.
Nigel dunnett roof garden.
The initial concept for the scheme also included a green roof for the portico which would have been the starting point for that storm water chain.
Nigel dunnett is professor of planting design and urban horticulture at the university of sheffield.
He writes regularly for landscape and garden publications including gardens illustrated and the garden.
The green roofs on this house provide additional wildlife value to complement the meadow plantings at ground level.
He is director of the green roof centre sheffield and acts widely as a consultant on green roof design and planting and sustainable garden and landscape design in general.
Nigel dunnett on pinterest.
Above the roof waterproofing layer there is a modular drainage sheet that allows excess water to drain from the system but also acts as a permanent reservoir of water at the base of the gardens.
The john lewis rain garden.
Nigel dunnett the landscape agency.
Influence of substrate depth.
He and colleague james hitchmough led the team behind the olympic park london back in 2008.
Above this layer sits a filter fleece that lets water through but which prevents the growing medium from being washed away into the drainage layer.
However subsequent structural analysis proved the portico to be unsuitable for supporting a green roof.
Photo by nigel dunnett and noël kingsbury green roofs can be installed on sloping roofs although they will be subject to greater moisture stress than on flat or gently sloping roofs.
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