Section Green Roof Thickness

Traditional soil is heavy and packs tight after repeated rains reducing water retention and aeration.

Section green roof thickness.

A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms. This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value. Also the green roof drainage layer material is made to be sturdy and strong so that piercing can be limited and that the integrity of the entire program can be retained with ease. Water is stored by the roof s substrate and.

Each of these layers has a specific function and is necessary for the success of the green roof. Cross section of green roofing layers. Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof. Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas.

The green roof drainage layer thickness makes sure that nothing can go wrong below offering a solid and effective guard. Growing medium is not the same material used for a house plant or a garden. Green roofs can reduce stormwater runoff via water wise gardening techniques.