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Introduction to Tradical®


Tradical construction materials are developed products of the Lhoist Group based on high purity manufactured lime materials. The Lhoist Group is an international business focussed on the supply of high purity lime products to many industries including the construction industry.

Tradical Hemcrete is a unique, highly sustainable construction product for the creation of insulating walls as well as insulation layers for floors and roofs. Hemcrete is a blend of specially prepared hemp shiv (Tradical HF) and a special lime based binder (Tradical HB). Together these products form a bio-composite building material that can be used both for the creation of buildings that have excellent thermal and acoustic properties as well as creating a healthy living and working environment.

Additionally Tradical Hemcrete has the ability to make an impact on the future of sustainable building. Helping to reverse the damaging effects of greenhouse gases, Tradical Hemcrete locks up approximately 110kg of CO2 per m3 of wall and provides one of the best value materials for low impact, sustainable and commercially viable construction.

Produced mainly from renewable sources, Tradical Hemcrete is mixed on site for fast track construction and delivers high levels of insulation, air-tightness and vapour permeability.

Low density
High thermal insulation
High sound insulation
High thermal inertia
Good vapour permeability
Good flexibility
Fire and pest resistant
Can significantly reduce CO2 emissions
Inherently air-tight structures
Low waste

Hemcrete Products' Components


Combining patented formulations of air-lime based binders with the chopped core of the industrial hemp plant stem, delivers a suite of new building products. These Tradical Hemp Lime products have excellent performance characteristics for durable, healthy, sustainable and ecologically sound buildings.

Tradical Hemp Lime products deliver excellent application, durability and aesthetic performance characteristics combined with sustainability, economic, comfort and health qualities that architects, developers, contractors and customers will value.

Comfort & Health
Carbon Balance


Tradical Hemcrete is a bio-composite building material made by mixing specially prepared hemp shiv (Tradical HF) with a lime based binder (Tradical HB).

Tradical HB - Hemp binder
Tradical HF - Hemp shiv

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