Green Roof Demensions

The first step in a free roofing estimate is measuring the roof dimensions.

Green roof demensions.

1 extensive vegetative roofs which are 6 inches or shallower and are frequently designed to satisfy specific engineering and performance goals and 2 intensive vegetative roofs which may become quite deep and merge into more familiar on structure plaza landscapes with promenades lawn large perennial plants and trees. Installed the most green roofs in north america this past year with 1 326 872 square feet. Help with moderation of urban heat island type effects. Starting from the existing roof deck and moving up the typical layers of a green roof system are.

In 2012 the north american green roof industry recorded 982 green roof projects which was a 24 increase from 2011. You will need to express this size in terms of square feet. 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. One can execute efficient storm water management with green roofs.

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. Vegetative roofs are divided into two categories. As a semi intensive green roof a combination of 20 000 herbaceous plants 112 shrubs and 2 trees were planted. Help improve the aesthetics in urban building constructions.

Some advantages of green roof systems are. Courtesy of the city of chicago. Standard sizes for the grs edge restraints are 3 tall up to 8 5 tall in 0 5 increments. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.

Were chicago new york city toronto philadelphia and cincinnati. Waterproof membrane in many retrofit cases this layer already exists and depending on it s condition water tightness it may or may not need replacing. Improve quality of air to a great extent. The growing medium varied from a depth of 3 inches for the extensive plantings to 24 inches for the intensive plantings and the semi intensive areas averaged 8 inches in depth.

Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs and require minimal maintenance. Make a healthy contribution towards landfill diversion.