Green Roof Maintenance Costs

Green roofs have been proven to help reduce heat islands.

Green roof maintenance costs.

Cost of green roof vs conventional roof. Green roofs will require a level of maintenance comparable to at grade landscapes. 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. Baltimore maryland based green roof technology a company that specializes in the specification and design of green roofs notes that increases in costs can also depend on growing media depth desired water storage and plant material.

If the green roof is installed in a warm and dry period we recommend watering the green roof regularly for the first 2 to 3 weeks. This page provides a brief overview of the role of green roofs in mitigating the heat island effect including green roof types other environmental and social benefits and cost benefit considerations. Inspect the green roof at least 5 times a year for weeds and seeds carried by the wind and remove these. Because a green roof is a living system the maintenance plan may require a certain amount of modification over time as the roof matures and you come.

If you are planning a diy project and buying the raw materials for installation and building the garden yourself for a site that is 8 m you. Ecoroofs are expected to be an important part of the city s urban strategy as it grows and density increases in the decades to come. A green roof or rooftop garden is a vegetative layer grown on a rooftop. Factors that affect maintenance costs include for example project size level of maintenance needed and proximity of the maintenance crew to the project site.

Annual maintenance costs. This will enable the plants to sink their roots into the substrate. Cost benefit evaluation of ecoroofs 2008 pdf 37 pp 2 1 mb about pdf this report attempts to quantify the private and public costs and benefits of green roofs or ecoroofs in portland oregon. For an intensive roof annual maintenance costs range from 1 to 1 50 per square foot.

This document is intended to be a resource for the creation of a maintenance plan and for documenting the activities. Maintenance costs for extensive green roofs in minnesota typically range from 0 10 to 1 00 per square foot per year after the first five years.