Green Roof Insulation Types

Sound waves are absorbed and reflected.

Green roof insulation types.

Other insulation materials include foam wool and even insulated glass for windows. For one thing it can be rolled into batts. Recycled denim is an earth friendly roof insulation alternative. Polyfoam roofboard extra offers a declared compressive strength of 300 kpa.

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. Of course there is some cross over between the categories. Denim and cotton waste is treated with a fire retardant chemical. 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.

In addition to thermal insulation a green roof also has a sound insulating effect. Build it green. They fall into three main categories extensive intensive and semi intensive. 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.

Other earth friendly roof insulation options include soy fibers and sheep s wool. According to etag 031 xps insulation with a cs 10 y 300 designation i e. Consists of a thick layer of soil 50 200mm in which a variety of grasses herbs flowers and shrubs can grow. There are three basic types of green roof.

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. It is sold in rolls making it easy to install and it won t irritate the skin. Green roofs are internationally placed in three different types.

Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs. The combination of substrate plants and the embedded air in the green roof system provide good sound insulation. Quieter environment indoors and outdoors. A compressive strength of 300 kpa declared in accordance with en 13164 is suitable for both green roofs and roof gardens.

Cotton insulation is similar to fiberglass insulation in several ways. So you can also save on your heating bills in the winter. Sheep s wool is often considered one of the best insulation types available but it is also one of the most expensive.