Green Roofs Or White Roofs

While each of these possesses its own advantages and disadvantages cool roofs and green roofs present facility owners with great options.

Green roofs or white roofs.

Cool roofs reflect sunlight and heat back into the atmosphere while green roofs help absorb the sunlight. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Green roofs are also known as vegetative or eco roofs. The roofs are designed so that water drains vertically through the media and then horizontally along a waterproofing layer towards the outlet.

White roofs are more reflective than green roofs reflecting roughly three times more sunlight back into the atmosphere and therefore absorbing less sunlight at earth s surface. Green roofs also provide insulation lower the need for heating and cooling and can reduce the. The primary reasons for using this type of roof include managing storm water and enjoying a rooftop open space. Though you ll get more life out of a metal roof you ll pay the price at the time of installation.

Shingle roofs are cheaper up front. May 3 2016 explore angie miller s board house colors for green roof on pinterest. See more ideas about green roof house colors house exterior. Commonly referred to as cool roofing it has received a stamp of approval from the state of california which has adopted its use in its building codes.

Green roofs are ideal for urban buildings with flat or shallow pit roofs and can include anything from basic plant cover to a garden. It has become a leed leadership in energy and environmental design standard of the u s. Green roofs for healthy cities enroll now living architecture is the result of the integration of organic and non organic systems in on and around buildings such as green roofs walls and many other forms of green infrastructure. When selecting a roof there are many different options for roofing contractors including thermoplastic epdm metal shingles greens roofs and more.

They fall into three main categories extensive intensive and semi intensive. Green building council and has been mandated by government officials in chicago new york seattle and philadelphia. A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop. White or reflective roofs have been in use for the past 15 years.

Metal roofs generally can run from 120 to 900 per 100.