Building owner
Characteristics of hemp lime
What you should know about planning
Light stones
Hemp limestones are defined by their low weight, they have a density of about 300 to 400 kg per m³.
Heat insulating and regulating
Hemp limestones are able to store, reflect and conduct heat. In summer, for example, they provide a cool temperature, whereas in winter they keep the heat in the house.
Indoor air
Hempcrete consists of hemp shives, lime and mineral additives.
Water-absorbent
Hemp can absorb water up to four times its own weight in just one minute and thus regulates the moisture balance.
Fire behaviour
They are very flame retardant and resist fire for more than 2 hours. They also meet reaction to fire class B-s1,d0 according to EN 13501-1
Moisture buffering
Hemp lime can absorb and release moisture (no wetness remains on the wall surfaces) and thus buffers fluctuations in indoor humidity.
Pest resistant
Compared to wood, hemp limestones are resistant to insects as well as rodents.
Soundproofing
They help to dampen and absorb most of the sound waves. The sound insulation value of hemp lime is 37 to 45 decibels.
Circularity
Hemp-lime blocks consist of hemp shives and lime.
Nevertheless, it is important to note that hemp lime is not load-bearing, which means that it is not designed to support roofs, for example. In order to be able to build with it, it is important to have a load-bearing wooden framework beforehand, for example, so that the walls are stabilised. werden.
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