Hempcrete
Hempcrete
Hempcrete (pronunciation: /ˈhɛmp.kriːt/) is a bio-composite material that is used in the construction industry as an insulating wall infill and insulation material. It is made from the inner woody core of the hemp plant mixed with a lime-based binder.
Etymology
The term "Hempcrete" is a portmanteau of "hemp", a variety of the Cannabis sativa plant species, and "concrete", a hard, strong construction material.
Composition
Hempcrete is composed of the woody inner fibers of the hemp plant, known as shiv or hurd, and a lime-based binder. The binder can be made from various materials, including hydrated lime, pozzolans, and cement. The hemp shiv provides the bulk of the mix, while the binder ensures the mix hardens and provides structural strength.
Properties
Hempcrete has several properties that make it an attractive construction material. It is lightweight, has good thermal insulation properties, and is resistant to mold, pests, and fire. It also has a negative carbon footprint, as the hemp plant absorbs carbon dioxide during its growth.
Uses
Hempcrete is primarily used as an insulating infill in the construction of walls, roofs, and floors. It can also be used to create standalone structures, such as garden walls and small outbuildings.
Related Terms
- Bio-composite
- Cannabis sativa
- Shiv
- Hurd
- Hydrated lime
- Pozzolans
- Cement
- Mold
- Pests
- Fire
- Carbon footprint
External links
- Medical encyclopedia article on Hempcrete
- Wikipedia's article - Hempcrete
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