Green Roof Growing Medium Weight

The extensive green roof lightweight cost effective and probably the most popular of the green roofs.

Green roof growing medium weight.

Types of green roofs. Even a flat roof should have some pitch so that it sheds water toward gutters. Be approximately 94 inorganic by dry weight 92 in british columbia as is the case with ecologically stable sustainable mature green roofs. These generally require a 5 15cm 2 6in depth of growing medium that can consist mainly of lightweight inorganic materials such as perlite leca sand rockwool and crushed tiles or concrete.

When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot. Conform to german fll granulometric standards. 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. Extensive substrate is a lightweight growing medium for green roof planting schemes manufactured to fll guidelines.

Green roof system weights columbia green technologies 79 se taylor st. 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. 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.

Last for many decades. What is a green roof. Filter rainwater and buffer acid rain. 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.

Product datasheet saturated weight. Green roofs are made up of several layers typically a waterproof root barrier layer to protect the roof a drainage layer water retention mat then the growing medium and vegetation. Liveroof engineered green roof soil is designed to. In general the bulk of the water storage in a green roof buildup is in the growing medium.

Commonly referred to as growing media or soil substrates the growing medium used is an essential part of the green roof system. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.