Green Roof Insulation Types

Of course there is some cross over between the categories.

Green roof insulation types.

Quieter environment indoors and outdoors. According to etag 031 xps insulation with a cs 10 y 300 designation i e. Green roofs are internationally placed in three different types. However a green roof with grasses or herbs contributes more to heat regulation because the substrate layer is thicker than for a sedum roof.

Consists of a thick layer of soil 50 200mm in which a variety of grasses herbs flowers and shrubs can grow. Other insulation materials include foam wool and even insulated glass for windows. The combination of substrate plants and the embedded air in the green roof system provide good sound insulation. Most homes are filled with traditional fiberglass material with newer ones adopting recycled cellulose material for more environmentally friendly alternatives.

Build it green. Denim and cotton waste is treated with a fire retardant chemical. Sheep s wool is often considered one of the best insulation types available but it is also one of the most expensive. 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.

In addition to thermal insulation a green roof also has a sound insulating effect. So you can also save on your heating bills in the winter. There are three basic types of green roof. 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.

Cotton insulation is similar to fiberglass insulation in several ways. Sound waves are absorbed and reflected. Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs. A compressive strength of 300 kpa declared in accordance with en 13164 is suitable for both green roofs and roof gardens.

They fall into three main categories extensive intensive and semi intensive. 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. 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.

Recycled denim is an earth friendly roof insulation alternative. Intensive thick extensive thin and semi extensive somewhere in between. Thermal insulation in some cases a green roof may include thermal insulation typically a layer of extruded polystyrene.