A small green roof 30 50 m 2 with reasonable access would cost between 150 and 400 per square metre to install.
Green roof cost per square metre.
Extensive green roofs on the other hand have a shallow soil of 200mm thick.
This is down to the different materials that are needed within.
In the us roofing contractors exclusively price by square feet or by the hour though charging hourly is less common.
Rubber roofs costs start from 80 per m2.
Direct green roof costs per square metre.
A look at replacement flat roof prices updated may 2020 flat roofs are more likely to leak than any other type of roof covering.
Type of green roof.
Estimated green roof costs per sqm.
Flat roof cost per square metre.
Green roof accessories will you require edge retention trims or a pebble border.
A green roof also called a roof garden is any roof that has vegetation growing on it.
Notwithstanding this it is feasible to retrofit many buildings either by providing additional structural supports or a new floating roof to carry the green roof.
Please note that this cost is an estimate and that each roof is case specific and thus costs may fluctuate.
Flat roof replacement costs.
Finally there is also ongoing costs to consider for maintenance and repairs.
You can plant plants that have a shallow root system on these roofs.
Such facilities include different types of plants with the shallow root system.
For example the delivery cost per pallet decreases as the number of pallets needed increases.
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.
They cost approximately 50 per linear metre paving decking or other types of flooring can cost between 200 and 400 per square metre balustrading costs between 150 and 300 per linear metre.
The type of green roof system plays a part in the cost per m2.
In the us roofing contractors exclusively price by square feet or by the hour though charging hourly is less common.
This does not include.
This saving is carried across the overall cost of the green roof leading to a lower cost per m2.
The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting.
Lead bay roofs are even more expensive starting from 300 per m2.
All these come at an extra cost.
Flat roof prices start from 40 per m2 for felt roofs.
For fibreglass expect to pay from 90 per m2 and for fire glass bay roof from 250 per square metre.
However you can still build a green roof that falls into the above categories.
What is a green roof.
