Extensive green roof substrates are for use on shallow green roof systems 200mm depth and are often associated with sedum mat sedum plug plant or wildflower planting.
Green roof plastic soil holders.
The existing roof must be reinforced to carry the additional weight load anywhere from 15 30 lbs sq.
Intensive green roofs can be considered roof gardens.
Or more depending on the depth of the soil.
Before the plants go up a structural engineer should check to ensure that the roof can support the weight of the engineered growing medium and plants.
For a green roof installation that pitch should be at least inch per foot of run.
Intensive green roof substrates are engineered to suit larger vegetation such as shrubs and trees.
Eliminate the need to start with a brown roof and farm it for years hoping and waiting for it to become a green roof.
Its soil depth is a full 2 inches enough to support many low growing succulents and a limited number of accent plants.
Green roof trays is simple in design easy to install and uses our standard green roof planting method for roof maintenance and repair.
Each vegetation green roof modules contains a complete hierarchy of green roof systems including drainage rain retention filtration growth media and plants.
Even a flat roof should have some pitch so that it sheds water toward gutters.
The lite system is typically used on retrofit projects when the roof is engineered with only 15 to 17 pounds per sf for the green roof component.