Another one on a new extension this one was specified with a sedum mat. Ever keen to increase biodiversity I also sowed it with wildflower seeds. I quite like it as a way to put the roof together, very simple and also quick, if a bit heavy getting the mat up to the roof. The sedum roofs often die out quickly but this one has a good layer of substrate underneath for it to grow into which should retain water and increase resilience.
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