There are several types of green roofs which leads 1 to a wide range of associated costs.
Green sedum roof cost.
With 50 years of horticulture growing experience eco roofs is uniquely positioned to be your source for green roof knowledge and experience as well as growing and providing the green.
A sedum blanket system requires less growing medium than a wildflower blanket system.
As a very rough indication in the us one can expect to pay around 150 per meter squared of extensive green roof and around 200 per meter squared for the intensive variety.
A green roof cost per m2 can change significantly with just a different choice in system.
Labour is probably around 200 per person per day depending on who you hire.
At the time of writing january 2017 the materials for a sedum roof buildup cost around 35 40 per square metre.
Roof can expect to spend between 15 000 and 30 000 with most paying around 22 000 for the project.
These figures will vary however and green roof installation companies will be able to give you a clearer figure based on your site s specifications.
Plus a bit extra for delivery.
The cost will vary with the green roof system and the particular situation.
The average homeowner creating an extensive green roof for a 1 500sq ft.
Cost of the green roof build up for a 10 8 flat roof is less than 420 00 enviromat offer discounts on large areas and for trade customers.
Now if you re completing a small project a garden shed for example you might not need paid labour.
Unfortunately not much can be done to change this factor.
An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself.
Eco roofs is a grower and supplier of pre grown green roof trays pre vegetated sedum mats plants plugs cuttings and all of your other green roof supplies.
Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2.
Finally there is also ongoing costs to consider for maintenance and repairs.
These figures will vary however and green roof installation companies will be able to give you a clearer figure based on your site s specifications.
As an estimate in the uk the average cost per square meter of extensive green roof system is 50 100 whereas an intensive green roof system is 60 150.
As a guide prices can vary from 50 m for a sedum roof to 200 m for a fully planted intensive roof the cost of any reinforcement needed to the roof and or wall structures is additional to this.