The first step is the covering of the house roof with plastic sheeting.
Planting grass on roof.
Most grasses would fail on a living roof unless they were watered constantly in the summer.
Roll over the root membrane.
Draining and root stopping 1.
If you are growing them from saplings.
To be honest most green.
Cover only the roots in the soil.
With this type of roof planting mediums are much deeper which can be between seven and 24 inches and can consist of lawn shrubs trees and perennials for example.
The overlapping of two plastic sheeting must be at least 4 inches.
To attach the membrane to the roof structure use asphalt mastic.
Load capacity of the roof is probably the most important consideration when installing a lawn on a.
When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot.
Pour on the bags of gravel your looking to get just a single layer cover over the entire roof 2.
Planning a green roof green roofs are made up of several layers typically a waterproof root barrier layer to protect the roof a drainage layer water retention mat then the growing medium and vegetation.
Spread 1 inch of gravel on top of the soil to improve drainage.
This thick sheeting will be the grass roof waterproofing membrane.
Proper drainage prevents damage to the roof retains enough water in the soil to hydrate grass and.
The vegetation on these roofs also helps to soak up rainwater and may even reduce annual runoff by 40 to 90 percent depending on roof design plant varieties and roof pitch according to the.
1 intensive green roof if you want your roof to function as a garden and have large plants and even water features then the intensive green roof is for you.
There are soils in markets that are designed especially for rooftop gardenings so choose these lightweight varieties of.
Otherwise the grass may rot due to water.
Purchase an underlayment system from a green roof dealer.
How to grow a lawn on a rooftop deck calculate roof load.
Brush into place 3.