Costs for green roofs can range from 15 per square foot on up depending on many factors such as growing medium depth and green roof size.
Green roof costs and benefits.
First gallon cost is the capital cost to install enough of a stormwater bmp to treat 1 gallon of runoff and it s how we often discuss the cost of stormwater management tools.
This paper evaluates the environmental benefits of green roofs by comparing emissions of no2 so2 o3 and pm10 in green roof material manufacturing process such as polymers with the green roof.
The epa estimates that the cost of installing a green roof starts at around 10 per square foot for simpler extensive roofing and 25 per square foot for intensive roofs.
Although installation of a green roof usually involves higher upfront costs than a traditional roof there are many economic benefits that can make up for this.
Increased r value a measure of the resistance of a material to heat flow of the roofing system along with reduced temperatures on the roof lessen hvac loads resulting in energy cost savings.
They are fairly lightweight and can be installed on roofs with a pitch from 0º to 30º.