Extensive Green Roof Structure

Extensive green roof on timber structure.

Extensive green roof structure.

These systems can be con. Foot extensive green roof was installed as part of the building s renovation in 2002 in order to attract maryland s department of the environment as a tenant. Katrin scholz barth a leading green roof designer was brought in to. Foamglas insulation is fully bonded fully sealed and vapour tight preventing any kind of water from getting through.

This is especially true of intensive green roofs which can have soil that is two feet deep or more. Extensive green roofs are the most effective method to establish a sedum roof in an average sized urban wildlife friendly garden. Difference extensive and intensive green roofs. What is the difference between an extensive and intensive green roof.

When it comes to extensive green roofs a 100 watertight build up is a must. One important item to design for is an increased structural load. Shallow pitched green roof 5 25 the structure of a shallow pitched green roof differs slightly from the structure of a. This green space could be below at or above grade but in all cases it exists separate from the ground.

Once we have the roof established with the lightweight growing medium we are best considering using drought tolerant plants these can range from grasses to wildflowers and often includes the well tried and tested sedums. They are differentiated on the basis of plant selection growing medium type and overall cost. This system requires some maintenance from time to time these green roof systems lie between the extensive and the intensive and usually include a mix of plant types. Green roof development involves the creation of contained green space on top of a human made structure.

For both of these we need to follow specific green roof construction and maintenance procedures. For more green roof tips and tricks. There are a number of things to consider when designing for a green roof. Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight.

The traditional insulation is formed by the normal roof structure. As a roof type that requires frequent maintenance intensive systems can be thought of as gardens on a roof in contrast with an extensive green roof there are almost unlimited possibilities. These roofs differ from each other in the thickness of the structure its weight and the amount of maintenance that the plants require. The system structure for a flat water retaining green roof consists of a drainage layer with filterfleece extensive roof garden substrate and a vegetation blanket.

The extensive green roof is the typical choice for homeowners but if you are building a home you can enjoy the wider options offered by the intensive green roof because it can be included in the plans saving the costs of retrofitting an existing structure. A long term solution that is ideal for extensive green roofs. Generally there are two types of green roof systems.