A good green roof medium is made up of a well developed soil blends.
Green roof growing medium weight.
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.
Experts in green roof soil more than a decade of experience.
A measure of how rapidly water soaks into a growing substrate growing medium or soil.
Extensive substrate is a lightweight growing medium for green roof planting schemes manufactured to fll guidelines.
Soil tests are integral part of the process and.
The simple answer is that the weight of a green roof is determined by the strength of your build or structure so there are a few things to consider when creating your own green roof.
The green roof manufacturers should fully understand the various needs and specifications of the green roof medium.
Green roof growing medium is composed of mineral aggregates and only a small amount of organic material.
What is a green roof.
In general the bulk of the water storage in a green roof buildup is in the growing medium.
The extensive green roof lightweight cost effective and probably the most popular of the green roofs.
It should also be light weight resistant to decomposition and compression and physically and chemically stable.
Green roof system weights columbia green technologies 79 se taylor st.
However the factors allowing for a lightweight roof can create a high stress environment for plant material.
The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.
Even a flat roof should have some pitch so that it sheds water toward gutters.
The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2.
For an extensive green roof growing substrate the infiltration rate should be 1 0 mm min or 60 l m 2 h for an intensive green roof infiltration rate s should be 0 6 mm min or 36 l m 2 h.
A green roof or living roof is a roof of a building that is covered with plants often wildflowers or grass and a growing medium planted.
All our products are created with our innovative proprietary product development process which is designed to ensure high quality soil that meets established industry.
It should have good consistent drainage and aeration with a structure that enables it to hold water.
For a green roof installation that pitch should be at least inch per foot of run.
