Green Roofs Cost Per Square Foot

Costs for green roofs in the united states are estimated to average between 15 to 20 per square foot for all use types i e high density residential commercial industrial etc 1 these costs include all aspects of green roof development from the waterproofing membrane to soil substrate creation to planting.

Green roofs cost per square foot.

Extensive system can range from 8 15 per square foot semi intensive system can range from 15 25 per square foot. 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. 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. Designed as a lightweight low profile system the garden roof assembly can be safely installed on roof and plaza decks not engineered to handle the heavy load requirements of a traditional green roof.

Based on these considerations recover green roofs has found that extensive roofs can cost about 10 to 50 per square foot while intensive roofs can cost from 20 to 200 per square foot. Roofing cost per square foot when calculating roofing costs per square asphalt shingles run from 350 and 500 per square metal or tin roofs costs 600 to 1 200 per square and concrete or clay costs between 1 200 and 1 800 per square. How much does a green roof cost. To further illustrate the environmental protection agency has made an estimation for the costs of green roofs.

They estimate that extensive green roof systems cost about 10 per square foot and intensive systems cost around 25 per square foot. And because the assembly incorporates hydrotech s. 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. Factors like location quality of the roofing membrane roof accessibility structural load capacity and ease of material conveyance to the roof affect the price explains recover green roofs a boston area based design build firm specializing rooftop gardens and green roofs in new england.

Hydrotech s garden roof assembly allows the design professional to transform virtually any flat or sloped roof into a landscaped environment. The installed cost premium for multi course extensive green roofs ranges from 10 30 to 12 50 per square foot more compared to a conventional black roof. The installed cost premium for semi intensive green roofs ranges from 16 20 to 19 70 per square foot more compared to a conventional black roof. Depending on the conditions of the roof the total surface area and the type of green roof system to be installed.