Grass Roof Construction Details

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.

Grass roof construction details. Of soil and sedum roofs with about 4 cm. Instead green roofing systems possess some definite layers in a top down manner. Often called green roofs these designs feature a roof that is completely or partially covered with some sort of vegetation usually grass. Rooftop decks require proper drainage regardless of the type of decking.

Turf roofs with about 15 cm. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. 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. Choosing the right plants.

Green roofs consist of a number of layers including a waterproofing layer drainage layer substrate and planting. Landen cedar logs along the eaves protect against. The construction of the flat roof is similar to that of the timber upper floor. It utilizes an engineered growing medium that does not contain soil.

Designed by booth hansen and completed in 2009 the daniel f. Build a living roof green roof. A roof with a covering of soil or growing medium and plants. Before installing artificial grass it is important to check for any existing drainage issues.

You can walk out from the second floor of this house onto the green roof sod roof of the first floor which creates a grass covered patio. It utilizes a filter type cloth that holds the roots of plants and allows for the penetration of water. Its distribution roughly corresponds to the distribution of the log building technique in the vernacular architecture of finland and the scandinavian peninsula. On houses fall into two basic categories.

Although this idea may seem strange it actually serves several useful purposes including absorbing rain water and providing extra insulation. Plants are specifically selected for intended applications. They tend to be divided into turf roofs with a 150mm layer of soil and sedum roofs with a thinner layer about 40mm. If you plan to install turf over the wood deck proper drainage and airflow is essential to help avoid this.

The best green roofs in the long term tend to be ones that a re planted and seeded. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask. Make a normal flat or sloped roof into a beautiful living garden.

The load of approximately 250 kg.