Incorporating gardens or other forms of green roof plantings can be an attractive alternative to traditional building construction.
Green roof engineering.
Green roof systems are classified as.
It may also include additional layers such as a root barrier and drainage and irrigation systems.
Protective coatings reflective membranes garden systems slate metal tile concrete and photovoltaic.
A basic green roof layer by layer schematic.
This is topped with layers for water and soil retention made up of mulch pumice peat or clay.
Reflective roof coatings.
The popularity of green roofs has risen in the united states over recent years as a result of several contributing factors.
In engineering a green roof existing buildings can now be retrofitted thanks to the vegetation technology of many advanced engineering and architecture firms.
Green roofs another green infrastructure technology refers to a roof covered with waterproof membrane with plants or trees suitable for the local climate and 3 15 inches of soil sand or gravel.
At sullivan engineering llc we define green roofs as those roofs that contain vegetation also known as vegetative roofs.
Scroll down for a detailed description and the benefits of each green roof system offered by permanent roof.
A reflective roof coating or white roof is the best known and.
Below is a broad overview of the factors in engineering a green roof.
Proper selection of agriculturally durable materials structural engineering design and review and responsible water handling should all be considered to achieve maximum energy efficiency and perhaps leed recognition.
It is important to consult a structural engineer to review your green roof plans and evaluate the building s load capacity to support added weight.
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane.
Some existing buildings cannot be retrofitted green roofs because of weight load roof slope and seismic considerations.
Green roof building factors to consider.
For large storms green roofs can detain 30 runoff water whereas for storms less than one inch the number rises to 90.