what is a sedum roof
A sedum roof covering is the lightest form of green living roof. You can grow sedum plants on any flat roof. You simply add a substrate (ie. a layer of material in which the sedum can grow) above the roofâs waterproof membrane and plant the sedum.Sedum roof covering shortly after planting. We designed and built our own sedum roof on a 5m wide carport.The roof construction is 250mm x 50mm joists spaced 600mm apart with a 18mm plywood deck. There are various layers of sheeting on top to make the roof waterproof. On top of that we added 75mm of mixed topsoil and gravel into which the sedum plants were sown.ou can grow sedum plants on any flat roof. You simply add a substrate (ie. a layer of material in which the sedum can grow) above the roofâs waterproof membrane and plant the sedum. Sedum roof covering shortly after planting. We designed and built our own sedum roof on a 5m wide carport.