Green Roof Norway

The load of approximately 250 kg per m of a sod roof is an advantage because it helps to compress the logs and make the walls more draught proof.

Green roof norway. The load of approximately 250 kg. The norwegian translation is torvtak which means turf roof. 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. The scandinavian green roof prize has been awarded annually to the best green roof project in scandinavia since 2000.

It has become less common nowadays but i have read that since 2000 an award is given to the best green roof project in scandinavia by the board of the scandinavian green roof association to promote this concept. Because there are large forests and long winters people use wood to build huts and cover the roof with soil and plant grass to block the outside cold. Green roofs in norway can be seen everywhere. 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.

These sod roofs have been built in norway not for centuries but for millennia the objective is not to be green but to use a thick layer of dirt as thermal insulation you should know that the biggest thermal loss is through the roof the vegetation simply helps keep the dirt in place. Modern green roofs might use water protective membranes and. It is a cultural tradition that began in the middle ages and has a history of thousands of years. Norway green roofs a green roof does not mean a green roof as some might think of us it s a roof covered with vegetation like a garden using vegetation on roofs is not a modern invention this option is currently a alternative to a less polluted environment.

The roofs are traditionally built with water tight birch bark and topped with soil and sod which helps to hold the birch bark together. The prize tradition is intended to inspire the green roof market toward excellence and to raise public and professional awareness about the multiple benefits of green roofs. There are different kinds of turf roofs some velvety green some golden yellow and some extremely colourful with flowers grown on them.