Green Roof Insulation Types

Thermal insulation in some cases a green roof may include thermal insulation typically a layer of extruded polystyrene.

Green roof insulation types.

Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs. According to etag 031 xps insulation with a cs 10 y 300 designation i e. Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal watering requirements and is often not accessible. Polyfoam roofboard extra offers a declared compressive strength of 300 kpa.

Additionally the r value of cotton insulation and fiberglass is the same roughly r 3 2 to r 3 7 per inch of thickness source. Most homes are filled with traditional fiberglass material with newer ones adopting recycled cellulose material for more environmentally friendly alternatives. Quieter environment indoors and outdoors. There are three basic types of green roof.

Sheep s wool is often considered one of the best insulation types available but it is also one of the most expensive. The combination of substrate plants and the embedded air in the green roof system provide good sound insulation. Other earth friendly roof insulation options include soy fibers and sheep s wool. While this can be positioned below the roof deck installation above the waterproofing known as an inverted green roof is preferred as it further protects the membrane from condensation and physical damage.

For one thing it can be rolled into batts. Green roofs are internationally placed in three different types. Other insulation materials include foam wool and even insulated glass for windows. Of course there is some cross over between the categories.

Recycled denim is an earth friendly roof insulation alternative. It is sold in rolls making it easy to install and it won t irritate the skin. They fall into three main categories extensive intensive and semi intensive. In addition to thermal insulation a green roof also has a sound insulating effect.

You may ask how well does a green roof insulate a building what is the r value of a green roof more insulation is better right does a green roof system have to include insulation don t engineers already figure this out for us. Denim and cotton waste is treated with a fire retardant chemical. So you can also save on your heating bills in the winter. A compressive strength of 300 kpa declared in accordance with en 13164 is suitable for both green roofs and roof gardens.

Consists of a thick layer of soil 50 200mm in which a variety of grasses herbs flowers and shrubs can grow. Build it green. Cotton insulation is similar to fiberglass insulation in several ways.