In winter they retain between 25 40 percent.
Green roofing facts.
Adding a lovely aesthetic to neighborhoods and urban construction areas aa well as helping to feed the masses if gardening is incorporated into the green roof.
A green roof or living roof generally incorporates a system of layers that include waterproofing drainage soil and growing vegetation.
Intensive green roofs are essentially elevated parks.
A green roof s plants remove air particulates produce oxygen and provide shade.
A reflective roof coating or white roof is the best known and.
Scroll down for a detailed description and the benefits of each green roof system offered by permanent roof.
They act as a kind of trap for storm water absorbing 50 to 80 per cent of rainfall and cooling the excess before it washes into the storm drain system.
Green roofing materials are longer lasting than asphalt roofing tiles.
Reflective roof coatings.
An intensive green roof is heavier more expensive and more complex than its counterpart.
Green roofs are comprised of plants and soil and will help to reduce sound.
Image courtesy of earth pledge.
Protective coatings reflective membranes garden systems slate metal tile concrete and photovoltaic.
This is because the plants and soil protect your roof from sun damage and extreme temperature changes.
Green roofs transform the tops of houses and businesses into urban gardens.
Green roof systems are classified as.
They can sustain shrubs trees walkways and benches with their complex structural support irrigation drainage and root protection layers.
Extensive green roofs have a shallow soil base usually a formulated compost two to six inches deep.
Green roofs help reduce the urban heat island effect a condition in which urban environments absorb and trap heat.
For example a grass roof with a 4 20 cm 1 6 7 9 inches layer of growing medium can hold 10 15 cm 3 9 5 9 inches of water.
Here s a great infographic with some cool facts about ford s green roof in summer depending on the plants and depth of growing medium green roofs retain 70 90 percent of the precipitation that falls on them.
Additionally this natural protection against extreme heat enables green roofs to last twice as long as traditional rooftops.
Green roofing is a unique feature that has several significant benefits to the building environment and for green living.
Depending on the structure the green roof is being built on green roofs can either be intensive or extensive.
Intensive green roofs feature additional layers of protection and deeper soil to sustain a wider variety of plants.
The foot or more of growing medium needed for an intensive green roof creates a load of 80 150 pounds 36 68 kilograms per square foot.