Green Roof Factors

3 roof surface the roof.

Green roof factors. Plants such as wooly thymes or dwarf spruces are excellent choices when it comes to green roof planting. When choosing materials for the roof it is important to choose native plants that naturally populate the local climate zone. The bottom layer can be fastened or. Materials there are several factors to consider when discussing the design and construction of a green roof.

6 factors to assess green roofs 1 roof insulation the minimum insulation values required by building codes have been rising steadily in recent years. Low maintenance plants and dwarf shrubs are the best plants to plant atop your green roof. A general understanding of the bioregion species requirements and planting can help inform clients which system makes the most sense. Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs and require minimal maintenance.

There are two types of green roof. Always ask a manufacturer or installer to provide you with the maximum saturated weight of the total green roof system. Understanding the desired biodiversity and habitat is a major factor in selecting a green roof system. 2 thermal performance best practice calls for at least two layers of insulation.

Biodiversity is also closely tied to everything from water management to insulation.