Flat Grass Roof Construction

Old asbestos roofs are often replaced with flat roofs.

Flat grass roof construction.

I liked the idea of having a bit more greenery in the property we live. Make a normal flat or sloped roof into a beautiful living garden. If you have a sloping roof of 3 degrees then please take a look at our pitched roof kits where you can find a range of green roof kits that are perfectly suited to your sloping roof. Green roofing is becoming more and more mainstream as architects garden designers property developers and householders work harder to improve eco efficiency and combat the.

Sedum green roof kit for flat roofs. The pitch of your roof determines how fast rainwater runs off it. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. This means that shed green roofs are a very popular choice along with log cabin and garage green roofs.

Sizes of joists needed for flat roof construction. Build a living roof green roof. Flat roofs are an easier option from a green roof construction point of view but living roofs are able to grow on pitched roofs too. Slopes and angles for green roofs.

There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations.

A flat roof usually consists of the following. So any timber joists that are used need to be strong enough to support this weight. The 3 most common materials used for flat roof construction. Living roofs on houses fall into two basic categories.

Waterproof membrane to prevent water penetrating the structure and interior of the. For a wildflower roof with a 150mm depth of the substrate work on loading capacity of 250kg per square metre. For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away.

Of soil and sedum roofs with about 4 cm. Of sodden turf requires a heavier and specially designed structure. A green roof is in ecological terms a great and simple thing to do. Sedum roofs differ from turf roofs in that they are much lighter and can usually be built with the same type of roof structure that a normal roof would require whereas the weight of 15 cm.

To support lightweight sedum green roof construction your roof needs a loading capacity of at least 120 kg per square metre. Unlike pitched green roofs flat green roofs can either take the form of extensive consisting of a thin layer of turf or sedum matting or intensive characterised by a greater soil depth that can even accommodate shrubs. Turf roofs with about 15 cm. Flat roof construction for residential.

Having said that any outbuilding or garden building with a flat roof is a suitable route.