Green Roof Psf

Weight 1 3 gal sq h2o ret.

Green roof psf.

The university of melbourne s demonstration green roof is designed for use by visitors and staff. On a roof with a slope greater than 4 to 12 the live load limit is typically adjusted downward from 20 psf to 15 psf to allow for the relatively greater dead load on the steeper roof. To perform a structural analysis. It has areas of deep and shallow substrate and is designed for a dead load of 300kg m 2 and a live load of 300kg m 2 on the decking and walkway mesh areas and 150kg m 2 on the planting.

The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane. This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value. Increasingly cool and green roofing strategies are proposed as solutions to a number of endemic urban. There are two different types of green roof systems.

It is built on a heritage listed brick building in burnley. This tried true standard of the green roof industry has been proven for many years and will continue to be specified. 4 5 depth 4 soil 33 psf sat. The omni green roof is the lightest and most biologically diverse green roof on the market.

This will determine if the existing roof and its support system can hold the added load without modification. Ddc cool green roofing manual overview 2 1 overview new york city has almost one billion square feet of roof area and people are starting to pay attention to it. The gro classic is a cost effective system that meets minimum depths and stormwater retention requirements for most u s. Two types of green roof exist.

But they also must create a growing area and potentially provide support irrigation and root protection barriers while staying as light as possible. Must certify specific technical. When filing the construction permit application the p e. A green roof will add substantial weight to a building so property owners must hire a p e.

Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof.