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Construction Design Ecology Encouraging wildlife and nature Green roofs

New green roof in Dulwich

Alex standing in front of the finished roof, looking smug.

I put together another roof in Dulwich recently and thought I would share a few pictures and details.

This one started out with a visit to the clients to have a look at the roof. They had initially asked about a sedum roof and possibly even a cartridge system so I hadn’t been that keen. However when we met they were open to a more interesting type of green roof with a wider range of plants and a roof that develops over time.

We also looked at the skylights in the roof and decided that it would be better to build the roof with something more adaptable than the tray system. We settled on an expanded clay pebble drainage layer that flowed around the obstacles with some gravel borders and the usual Shire Green Roof Substrate for the plants.

Tania planting the roof

I got an excellent selection of plants from Rotherview Nursery near the south coast.

They have a wide range of green roof plants and have been really quick to deliver, the plants including sedum reflexum gold, campanula pusilla, Erigeron, saxifraga scenic red, sedum schoebusser blut, sempervivums, thymus minimus, stops pony tails, armeria splendens, chaenorrhinum, erosion flore pleno, frankaenia thymifolia, and sedum pachyclados. I also added in a selection of alium and armeria bulbs, the client will be putting in crocus bulbs come the autumn. Finally we topped it off with a selection of wild flower seeds including Field Poppy, Red Campion, Black Meddick, Common Knapweed, Ox-eye daisy, Ribwort Plantain, Yarrow, Lady’s Bedstraw, Bulbous Buttercup, Cowslip, Salad Burnet Grasses: Browntop Bent, Strong Creeping Red Fescue, Crested Dogstail, Meadow Fescue, Sheeps Fescue. Hopefully most if not all of them will find a space that suits them on the roof. I expect all the plants to develop and grow over the next few years finding their place on the roof. Not all of them will find that and not all of them will thrive every year but we should get a great selection finding their place.

bench made from pallets

Finally I made a bench from the pallets left behind by the delivery of the substrates and soils.

After we built the roof I was left with a couple of pallets and some wood I used to create straight lines on the gravel. After a bit of online research I found a design for this bench and we need some garden furniture so I spent last weekend putting this together. A bit cold to sit outside at the moment but I think it will come in useful later in the year.

For more details and to get a quote for your roof send me a message.

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