green roof

  1. A

    Green roof - types and weight

    Hi, I’m installing a sedum roof onto a 20 sq m garden room GRP flat roof. A common system seems to be: drainage layer on the bottom, then substrate, then sedum roll on top. But some companies sell a lightweight substrate roll e.g...
  2. D

    Green Roof Joist sizes

    I am putting a new flat roof on a brick built garage, stage 1 is to get the roof watertight and stage 2 next year is to make it into a green roof, probably sedum. The garage is approx 5.25m x 3m with joists to run across the width (3m) I have been looking at some of the weight considerations...
  3. ohdiddums

    Converting pitched roof to flat green roof - advice?

    Hi all, My 2-up 2-down has a ground floor bathroom at the rear with a pitched tiled roof. The room is very cold compared to the rest of the house because it has no roof insulation and a single skin wall at the back. I'm trying to make my house as energy efficient, and eco friendly, as...
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