In winter the total load may well increase to 400 or 500 kg per m because of snow.
Why sod roofs.
The roofs offer places for birds to nest and insects to breed.
This type of roof has been used for centuries and remains one of the simpler techniques to top a house in an energy efficient manner.
Sod is also a reasonably efficient insulator in a cold climate.
Northern europeans once chose traditional sod roofs as a means of insulating houses.
Today green roofs are prevalent or even required in some parts of europe.
The sod roofs support biodiversity by recreating a place for local plants to grow even within urban areas.
Not having access to slate tiles or wood shingles the farmers used the natural materials that were readily available.
Benefits of sod roofs well for one sod roofs are known to provide homes with excellent insulation keeping the cold out during the cold winter months and keeping the heat in at the same time.
Many cities like portland or and bellingham wa have embraced cost friendly aspects of the green movement.
These roofs are covered with sod on top of several layers of birch bark on gently sloping wooden roof boards.
Sod roofing in bellingham wa is just one part of a greater shift.
In wales and also across the irish sea it was common to use slate thatch or stone and to work in moss that would in time take over.
During the warmer months sod roofs can help to cool down your house compared to other roofing materials.
Roofs of sod houses were dangerous to build and difficult to construct.
The sod roofs of today do so much more than those of yesteryear.
In germany 14 percent of all roof area is green source.
Sod roofs turve roofs green roofs mossy coverings these are all traditional methods of providing water proof thermal roofs.
That shift is towards unique living spaces with communal benefits.
A sod roof has become a popular choice as more people attempt to go green.
This roof lowers the structure s inside temperature.
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.
It is also aesthetically appealing.