Flat Grass Roof Construction

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.

Flat grass roof construction.

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. For a wildflower roof with a 150mm depth of the substrate work on loading capacity of 250kg per square metre. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. Living roofs on houses fall into two basic categories.

A flat roof usually consists of the following. 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. Old asbestos roofs are often replaced with flat roofs. It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away.

Hot tar and gravel. 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. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. Slopes and angles for green roofs.

Sedum green roof kit for flat roofs. Sizes of joists needed for flat roof construction. For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

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. Waterproof membrane to prevent water penetrating the structure and interior of the. Flat roof construction for residential. Of soil and sedum roofs with about 4 cm.

So any timber joists that are used need to be strong enough to support this weight. Build a living roof green roof. The pitch of your roof determines how fast rainwater runs off it. While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.

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. The 3 most common materials used for flat roof construction. Green roofs flat knowledge of green roof construction methods and the benefits of incorporating them in building design is steadily becoming more widespread in the uk.

Having said that any outbuilding or garden building with a flat roof is a suitable route. A green roof is in ecological terms a great and simple thing to do. This means that shed green roofs are a very popular choice along with log cabin and garage green roofs. To support lightweight sedum green roof construction your roof needs a loading capacity of at least 120 kg per square metre.

Of sodden turf requires a heavier and specially designed structure.