There are distinct strains of hemp that were valued as primary resources for thousands of years.
Hemp roof tiles.
With a first flush diverter and a non toxic roof rainwater could be captured and used to water the garden or treated for washing or even drinking.
Hemp roofing tiles are non toxic so they could be used to tile a roof designed to catch rainwater without making it toxic.
Roof tiles for shallow pitch roofing a typical hemp green pitched roof is over 20 degrees which means you have a wide choice of tile available but in the instances where your pitch is more shallow such as an extension then you need to consider specialist tiles developed exclusively to cope with shallow pitches down to 10 degrees.
The outer hemp fibers then can also be used like straw in bale construction paired with mud for an old style cob building.
Hemcrete is a substance consisting of hemp hurds lime sand plaster cement and water.
However it also is flexible.
So why don t we see more people building with hemp.
These hemp made products include but are not limited to plastic fiberboard wallboard roofing tiles insulation paneling and bricks can even be made from the compressed inner short hemp fiber.
Roofing tile by geographic region us canada japan europe.
It breathes and helps clean the air regulates humidity is mildew resistant fire resistant insect resistant and waterproof when used above ground.