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Castle Tradical Hemcrete

Castle Tradical® Hemcrete® is a light concrete made of Tradical® HB - Hemp binder and Tradical® Hemp products.

Castle Cement Ltd has formed a partnership with Lhoist UK Ltd, Lime Technology Ltd and Hemcore Ltd to develop and launch Castle Tradical®Hemcrete® products to the UK construction market. Castle Cement is the key distributor of Castle Tradical®Hemcrete® and supplies the cementitious component required for the binder.

The development of the Tradical® HB special lime binder specifically for use with Tradical® HF hemp shiv offers, to mainstream construction, materials that have the ability to make a very significant contribution in combating global climate change. Fast growing hemp stores carbon during its growth and releases oxygen into the atmosphere. The overall CO2 balance for Tradical® hemp and lime products is such that captured carbon is retained within the fabric of a building.This sequestration of atmospheric CO2 offers an exciting opportunity to grow and produce sustainable, natural fibre, insulation and construction materials.

Over ten years of experience in hemp lime technology has been gained by Lhoist companies in continental Europe and the transfer of this patented knowledge to the UK market comes through Lhoist UK with Tradical® hemp and lime products. Castle Tradical® Hemcrete® provides the filling and the insulation for timber-framed walls. The wooden frame can be completely encompassed by the Castle Tradical® Hemcrete® or the timber can be made visible on one or both faces, depending upon the dimensions of walling and timbers.As well as being ideal for new construction, Castle Tradical® Hemcrete® is well suited for the renovation and repair of old timber-framed buildings as a viable and sympathetic replacement for the original wall in-fill.

One very important product feature is that the breathability brought by Hemcrete is continuously drying the wooden structure thereby contributing to its longevity.Among the important technical considerations for wall infilling materials, is that the excellent vapour permeability provided by Castle Tradical® Hemcrete® is continuously drying the wooden structure and thereby protecting it from deterioration mechanisms and extending its longevity. The light weight of Castle Tradical® Hemcrete® means that very lightweight timber framing and foundation structures can be used which reduces costs and construction time making Castle Tradical® Hemcrete® a very efficient building medium.

The high insulation of the Castle Tradical® Hemcrete® in-fill means that single wall structure provides sufficient insulation and does not require additional insulation and avoids the need for cavity wall construction. This makes construction speed and simplicity a very attractive feature of Castle Tradical® Hemcrete® construction.

What does Castle Tradical® Hemcrete® bring to your construction? Castle Tradical® Hemcrete® products are high-technology construction products specifically developed and patented by the LHOIST group. They provide one of the best opportunities for low impact, sustainable construction technologies to deliver environmental and health benefits.

Tradical® Hemp Lime products main technical characteristics include: