Hemp Shiv, 180 Litre Bale
Hemp shiv is the chopped up, woody core of the hemp plant. When mixed with a lime binder, it becomes a composite building material known as hempcrete. The lime binder can be Hydrated lime (with pozzolans added to speed up the hardening process) or a strongly Hydraulic lime.
We supply hemp shiv in 2 different sizes. a medium cut shiv (22mm) which is suitable for Wall and floor construction and a fine cut shiv (3mm) which is suitable for render and similar coatings.
A bale of the 22mm Shiv weighs 15-18KG, A bale of the 3mm Shiv weighs 20-24kg. Weights can vary slightly depending on batch density. 180 Litre volume is an approximate figure which can vary slightly.
Environmental benefits of Hemp and Hempcrete.
- Hemp can be easily grown without the use of pesticides
- Low amounts of energy used in the production of Hemp Shiv.
- A Large amount of carbon dioxide is locked up in Hempcrete buildings.
- Hempcrete is breathable, so helps to control moisture and condensation
- Resistant to rodents, insects, fungi and bacteria
- Flexible and crack resistant
- Visually attractive - any shape can be formed with Hempcrete.
- Sustainable production – Fast growing, Hemp crop is grown annually.
- Chemical Free
- Helps to keep internal humidity levels within the 40-60% range which inhibits the growth of viruses and bacteria
Uses for Hempcrete
Newbuild: Using shuttering, Hempcrete can be cast in situ to create walls of various thicknesses and shapes. Hempcrete is self-supporting, but not a load bearing product so it is usually formed around a softwood timber frame. Hempcrete can also be precast offsite to form Blocks or panels. Hempcrete can be used in the construction of floors and roofs, adding a breathable, insulated layer.
Restoration projects: In old buildings, Hempcrete can be used to replace damaged or missing infill. It can also be used internally to add an insulated but breathable render to stone walls.
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