Roof Garden Rainwater

Rainwater can absorb zinc copper and aluminum from metal roofs as well as chemicals used for weatherizing and waterproofing asphalt shingles.

Roof garden rainwater.

For stability stomp the berm soil down well and make the base at least 2 feet wide and the top at least 1 foot wide. If the rain garden is on a slope you can pile some of the excavated soil into a berm on the low side to retain the water. Most people already have gutters and downspouts attached to their roofs to transport rainwater away from the building. A green roof is a vegetative layer grown on a rooftop.

Roofs made of wooden shingles treated with chromated copper arsenate are not appropriate for rainwater harvesting. To store as much rainfall as possible in your garden soil you can set up a rainwater irrigation system that diverts your roof runoff water directly onto your garden beds or lawn if you prefer. That is why my husband and i began harvesting our rainwater. Planted with grasses and flowering perennials rain gardens can be a cost effective and beautiful way to reduce runoff from your property.

Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof. A rain garden is a depressed area in the landscape that collects rain water from a roof driveway or street and allows it to soak into the ground. Lay attractive river rock 1 1 2 in. Green roofs can be ornamental and low profile or be used to grow vegetables and larger plant material on rooftops.

Green roofs are not only important because they hold rain water but they also reduce temperatures of the roof surface by removing heat from the air through evapo transpiration. The size of your rainwater catchment system may ultimately depend on your budget and how much space you are willing to dedicate to it. Doesn t that sound like a lot of water that you could harvest and use for free. Zinc antimoss strips mounted on roofs also produce toxic chemicals that you want to keep out of your garden.

Diameter and if desired larger decorative rocks or run an underground 4 in. The peak of the berm should be at least 6 inches higher than the water level when the rain garden is full. Well we thought so too. Small mammals birds and insects deposit fecal matter.