Green Roof Growing Medium Weight

Types of green roofs.

Green roof growing medium weight.

Commonly referred to as growing media or soil substrates the growing medium used is an essential part of the green roof system. Liveroof engineered green roof soil is designed to. 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. When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot.

Careful consideration and planning is required during the design phase of a green roof build and a local growth expert should be consulted in order to develop the best system for your needs. Filter rainwater and buffer acid rain. 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. Effectively grow liveroof plants.

What is a green roof. Conform to german fll granulometric standards. 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. 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.

However the factors allowing for a lightweight roof can create a high stress environment for plant material. For a green roof installation that pitch should be at least inch per foot of run. Green roof system weights columbia green technologies 79 se taylor st. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.

Last for many decades. 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. 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.

The extensive green roof lightweight cost effective and probably the most popular of the green roofs. Extensive substrate is a lightweight growing medium for green roof planting schemes manufactured to fll guidelines.