The Grass Roof Company have designed and built over 400 green roof buildings since 1998.
Find out more about John's work- HERE
Things you will learn:
- Why build a green roof?
- Simple timber framing and roof design
- Weight loading and green roof types
- Waterproofing and drainage
- Choice of substrates/soils
- Substrate depths and topography
- Roof habitat-pools, log piles, sand pipes
- Plant choice
- Seed, plug, bare root or mat?
- Biodiversity value and water holding capacity
- Getting the water from the roof to the ground. Outlets, rain chains or downpipes?
- Look at all of the material choice and suppliers
- Rain planters and wall habitat
Included in the price is a copy of DIY Guide to Green Roofs written by The Green Roof Company, and entry into the garden.
£110 or £90 for Friends of the Garden