This online guide is designed to meet the needs of diy enthusiasts looking to put a green roof on a shed or outhouse builders and landscaper contractors who want to build green roofs.
Grass roof sweden.
The plants can keep warmth within the home in the winter as well as keep the.
Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas.
They are not only a beautiful feature for a house.
A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms.
Perhaps the reason grass roofs were originally used hundreds of years ago is the plants role in insulating the home.
Scandinavians are serious about their green roofs.
Green roofs can reduce stormwater runoff via water wise gardening techniques.
These roofs are covered with sod on top of several layers of birch bark on gently sloping wooden roof boards.
They ve had them for a while now and it doesn t look like they re going anywhere.
And they are long lasting.
They provide good insulation.
But there is a reason why scandinavians like these green roofs so much.
Its distribution roughly corresponds to the distribution of the log building technique in the.
Until the late 19th century it was the most common roof on rural log houses in norway and large parts of the rest of scandinavia.
Carex nigra is technically considered a sedge and is often used on living roofs because its roots require less soil than most other grasses or grass like plants.
Turf roofs in norway are a tradition and you will see them everywhere.
They are very heavy so they help to stabilize the house.
Roofs in scandinavia have probably been covered with birch bark and sod since prehistory.
Norwegian grass roofs the norwegian translation is torvtak which means turf roof.
This website based guide builds on the material and information in our original pdf the diy guide to green living roofs which we published in 2008.
A sod roof or turf roof is a traditional scandinavian type of green roof covered with sod on top of several layers of birch bark on gently sloping wooden roof boards.
The advantages of turf roofs also called sod roofs are many.
Choose seeds that are the best suited for the area where you live.
Plant the grass seeds.
Protect your lawn use a wind blanket and cover the roof to protect your grass seeds.
The load of approximately 250 kg per m of a sod roof is an advantage because it helps to compress.
Next step is planting the grass seeds.
Water is stored by the roof s substrate and.
They even have a competition every year to determine the best green roof project in scandinavia by the scandinavian green roof association.
A simple drip irrigation system connected to your garden hose and a water timer is enough for your grass roof.