How much time and labor is required for maintenance?
How much does it cost to maintain a green roof?
The average maintenance cost for extensive green roofs ranges from $.75 to $2/sqft, while that of intensive green roofs ranges from $1.25 to $2/sqft. The cost of roofs with landscape design will be higher. Annual maintenance of green roofs costs 21 cents to 31 cents more per square foot a year than maintenance of a black roof. The overall green roof maintenance costs decrease after the first two years.
How are green roofs maintained in the winter?
How often does a green roof need to be watered?
How are pests controlled on green roofs?
Do not use herbicides, pesticides, or any other chemicals that could negatively affect the roofing membrane or warranty. Natural pest controls, such as ladybugs, are required.
Do green roofs need to be fertilized?
Green roofs may need periodic fertilization. If fertilizing a green roof, use slow-release, organic fertilizer in the spring.
ANSWERS? WE'VE GOT THEM.
Here are the questions we are most frequently being asked: