City Center Landshut

Roof greening as compensation area

The green roof on approx. 5,800 m2 (= approx. 55 he building area) is currently the largest in Landshut. It was credited as an ecological compensation measure, since the building site was already completely sealed before.

The structure consists of 15 to 20 cm of roof greening substrate on a 5 cm thick drainage mat. In the planting strips of pines and broom the Subststratstärke rises up to 40 cm. In the areas calculated as compensation areas, native perennials were used, intersected by planting strips of Pinus mugo, Genista lydia and Genista radiata. Wide species are Anaphalis triplinervis, Antennaria dioica, Cerastium arvense, Dianthus arenaria, Hieracium pilosella, Nepeta faassenii and Potentilla neumanniana, which form a stable plant community. Watering is not done.

One level higher, the green roof has a build-up thickness of only 8 cm substrate layer plus a 5 cm drainage mat. In addition to Sedum acre and Sedum album grow here some undemanding, yellow-flowering perennial species such as Anthemis tinctoria, Inula ensifolia, Hypericum perforatum and Primula veris, as well as grasses.

Roof Garden

The guests sit in summer under large Amelanchier lamarckii, which are placed in 150 cm large irrigated concrete troughs (grid 8 x 8m). The rock pears provide a year-round colour accent with their magnificent blossoms and vibrant autumn colours. The plants were ordered by the client from the Lorenz von Ehren nursery two and a half years before the journey to Landshut began. The recessed lights made of Plexiglas in the planters were designed by ATP and manufactured by the Bauer company in Buchbach. The floor of the beer garden, made of concrete slabs 50 x 50 cm, rests on so-called stilt bearings.

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1. Roof greening as compensation area
2. Roof Garden