Norwegen Green Roof

A green roof is simply one that fosters the growth of vegetation.

Norwegen green roof.

These roofs are covered with sod on top of several layers of birch bark on gently sloping wooden roof boards. Most of these cabins with timber from norway still exist and the owners are very proud of having these solid cozy and unique structures. 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. 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.

Its distribution roughly corresponds to the distribution of the log building technique in the vernacular architecture of finland and the scandinavian peninsula. The scandinavian green roof prize has been awarded annually to the best green roof project in scandinavia since 2000. The load of approximately 250 kg. Therefore keeping straighter wooden walls which were prone to warp with changes in moisture in the wood.

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. Green roofs have become a long standing tradition in norway and it s not common to see them dotting the country s landscape or in this case essentially melding with the landscape. The norwegian translation is torvtak which means turf roof. 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.

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.