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Design Ecology Encouraging wildlife and nature Green roofs

Bike shed green roof in Dulwich

I like making green roofs but one problem with them is that I nearly always build on extensions and garden buildings at the back of houses so no one but the home owner gets to see it. Bike sheds are usually at the front of the house so they are on show to the world.

This one I built in Dulwich, London is for a client I built a sedum roof for last year. I persuaded them that this one would look nicer with a wider range of plants. I put in a selection of sedums including Sempervivum for long term coverage and then added herbs: creeping thyme, chamomile and rosemary. Then I added some saxifraga and a selection of plants that are flowering now for cover.

I think you will agree it looks fantastic now. If you want one for your bike shed get in touch. alex@ecoalex.com

Categories
Ecology Green roofs Projects Uncategorized Using less water

Marlow roof update

Some gorgeous pictures from the roof I built in Marlow last year including some priapic sedums!

Categories
Ecology Encouraging wildlife and nature Green roofs Projects sustainability

‘Spectacular’ green roof in Dulwich

I built this one last week on a garden office in Dulwich. I don’t do so many sedum roofs but this did come up looking really nice and is instantly green.

The roof build up was using the Optigreen lightweight roof system. A protection fleece over the waterproofing, drainage layer, lightweight substrate and pregrown sedum on top. This was ideal for this garden office and really helped it blend in to the trees and plants at the bottom of the garden. The roof will drain into a gutter when complete (not that there will be a lot of runoff). I used aluminium edge trim all the way round to give it a nice defined edge.

The substrate was incredibly dry when it arrived, I initially thought it was just sand! This made it really easy to get up on to the roof, the bags weighed even less than usual. Luckily it has had a good soaking with the rain since to get it nice and wet.

Getting the sedum up on the roof was a little trickier, we left it out overnight and the client enthuisiastically watered it making it very heavy. After struggling with a couple of rolls I realised it was better to cut the mats in half to make them easier to handle.

Once it was all up it looked really good. I spoke to the client again the week after to check on it and he said ‘It looks absolutely stunning. The wife and my nearest neighbours really like it – so a big thankyou. I have been diligently watering it and it is looking good. Many thanks‘ very pleased with the feedback.