Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2.
Sedum roof maximum pitch.
This way sempergreen has a solution for every type of roof.
Therefore if you have a flat roof with a slope of 3 degrees or less please check out of flat roof kits.
40mm high perforated edge drainage trim for bauder sedum blanket.
C s 0 6.
Sedum vegetation blanket instantly providing at least 90 coverage on an extensive green roof.
Roof pitch multiplier table.
The roof construction is 250mm x 50mm joists spaced 600mm apart with a 18mm plywood deck.
Now comes the growing medium which for a sedum roof should be at least 8cm 3in deep and for a roof of wildflowers herbs salad and strawberries at least 15cm 6in deep.
An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself.
Run in degrees and as percentage the minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
Sempergreen has developed various systems which differ in structure in keeping with the pitch of the roof.
35 kg m weight saturated.
Our sedum green roof kits are designed for use on roofs with a slope of 3 20 degrees.
Sedum modular roof tray specifications material.
Acre sedum album coral carpet floriferum weihenstephaner gold.
An all purpose soil less peat free potting mix is fine for growing herbs and other edibles but mix in plenty of perlite to both improve drainage and save on weight.
In the section on roof pitch the guidelines state that a gradient of at least 2 should be considered the norm.
5 15 9 27 discharge coefficient.
More than just a fad or decorative novelty a living green roof provides insulation helps prevent flooding filters pollutants from the air absorbs noise and provides food and shelter for a vast variety of wildlife.
Degrees to pitch rise in run table.
Polypropylene provided with an uv stabilizer weight dry.
Having reviewed what the fll 2008 guidelines say about the construction of sedum roofs and others it is clear that a drainage layer is needed in cases where the pitch of the roof is very low or flat.
Generally speaking vegetation blankets can be applied on surfaces with a pitch up to 45.
In most instances an additional drainage layer is not required though on roofs up to 2 or in areas of high rainfall its inclusion may be necessary.
We designed and built our own sedum roof on a 5m wide carport.
There are various layers of sheeting on top to make the roof waterproof.
8 kg per smart box approx.