Green Roof Maintenance Costs

Factors that affect maintenance costs include for example project size level of maintenance needed and proximity of the maintenance crew to the project site.

Green roof maintenance costs.

A green roof or rooftop garden is a vegetative layer grown on a rooftop. When comparing the costs of green roofs and conventional roofs it is important to look at both the short term and long term costs. 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. Green roofs have been proven to help reduce heat islands.

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. 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. 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.

Annual maintenance costs. Cost of green roof vs conventional roof. 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. Maintenance costs for domestic green roofs tend to involve the replacing of plants and doing the gardening work which you can pay someone to do or undertake yourself if you are a keen horticulturist.

This document is intended to be a resource for the creation of a maintenance plan and for documenting the activities. This will enable the plants to sink their roots into the substrate. 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. 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.

Green roofs will require a level of maintenance comparable to at grade landscapes. Inspect the green roof at least 5 times a year for weeds and seeds carried by the wind and remove these.