Planting Grass On Roof

When saturated these layers can weigh in at more than 100kg per square metre or 20lbs per square foot.

Planting grass on roof.

The first step is the covering of the house roof with plastic sheeting. Proper drainage prevents damage to the roof retains enough water in the soil to hydrate grass and. Otherwise the grass may rot due to water. Do not water the grass thoroughly as the roots may come out.

To attach the membrane to the roof structure use asphalt mastic. 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. The overlapping of two plastic sheeting must be at least 4 inches.

However there are a few that have what it takes to withstand the conditions. To be honest most green. Load capacity of the roof is probably the most important consideration when installing a lawn on a. Purchase an underlayment system from a green roof dealer.

Spread 1 inch of gravel on top of the soil to improve drainage. Pour on the bags of gravel your looking to get just a single layer cover over the entire roof 2. Most grasses would fail on a living roof unless they were watered constantly in the summer. This thick sheeting will be the grass roof waterproofing membrane.

Cover only the roots in the soil. Try dry habitat perennials and ornamental grasses such as rudbeckia achillea potentilla armeria dianthus helictotrichon sempervirens stipa tenuissima and even bulbs such as muscari or small allium species such as allium flavum and a. 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. Draining and root stopping 1.

If you are growing them from saplings. There are soils in markets that are designed especially for rooftop gardenings so choose these lightweight varieties of. Brush into place 3.