Generally the soil must be three to four inches thick and composed of a special lightweight growth medium that is 30 percent organic soil expanded clay pellets wood chips and vermiculite.
Roof garden materials required.
Metal tin tile and other man made materials which can be expensive.
The material of the roof membrane remains in direct contact with weathering elements including wind sun rain ice snow etc.
It is made mostly of xps extruded polystyrene boards pir panels or polyurethane foam.
Roofs are made of various types of materials.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
Resistance to ultraviolet rays and root penetration.
If you re considering a rooftop garden there are a couple of directions you could go in.
Inaccessible gardens not used by people could be constructed on a sloped roof.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
A roof garden usually exists on a mostly flat roof surface due to the weight of the materials and the way the space is going to be used.
Options for your rooftop garden.
If you change your mind about something you can always go back and redesign it.
A roof garden might also include outdoor furnishings and can be thought of as an outdoor room.
Try to use as little weight as possible.
Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.
Fall protection systems usually include a reusable roof anchor safety harness rope lifeline and shock absorbing lanyard.
Map out your roof garden s design on graph paper.
They serve an important purpose protecting the property from sun rain sleet snow dust and dirt.
Asphalt shingles and wood shakes are traditional materials that are less expensive options but they are not very durable.
Using graph or blueprint paper make a rough sketch of your garden and plot out where you want to put plants and furniture.
Fully planted green roofs where the roof is covered with soil and the plants are in the ground make great environmental sense but they are too difficult for homeowners to undertake on their own.
The membrane required for roof garden construction should have the following characteristics.
Insulation layer protection layer makes a terrace garden resistant to moisture and temperature fluctuation and provides it sufficient mechanical strength.
If you get on the roof to repair shingles clean your gutters or check for soft spots after a storm invest in fall protection equipment.
A roof garden usually consists of larger planters filled with a mix of evergreens flowers shrubs and grasses.
Use styrofoam peanuts for drainage rather than rocks or pottery shards.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
This will keep your rooftop organized as you begin building your garden.