MHM Panels

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Untreated wood without any chemicals

MHM® walls consist of untreated wood. The boards are joined together by aluminium groove pins, the resilience of which ensures extremely stable and strong wall elements. Thus, the MHM® does not require any glue as an adhesive agent. Due to this permeable construction method and the intrinsic properties of wood, absolutely no vapour brakes are required for MHM walls.

On the interior, no chemical wood protectors are generally required in timber construction because the drying process makes the wood dimensionally stable and resistant to parasites. On the exterior, constructive wood protective measures reduce the use of wood protection agents to a minimum. Once fitted with insulating elements, the façade of MHM houses can simply be plastered.

High degree of fire retardancy

While construction materials such as brick, steel and concrete are mostly fire retardancy class F30, official measurements confirm that MSM® are actually classed as REI90.  Wood has a further advantage: Due to the material’s low thermal conductivity, heat does not reach neighbouring rooms so quickly. Fires can only spread slowly whilst remaining controllable.

Remarkable heat storage, low thermal conductivity

The solid construction of MHM® walls and the consequent mass forms a much larger heat store than in other construction systems. The thermal conductivity of wood is so low that the surface warms up quickly.

When the indoor temperature drops, e.g. during the night, the high retention capacity means that only the indoor air and not the walls need to be heated the following day. The so-called “phase shift”, this means the time in which a square metre of wall cools down by 1°K, is up to four times as long as with a brick.

Insulation value

The MHM wall stands out on account of its remarkable insulation value. This is caused by MHM’s unique construction method: The boards are given rabbet joints and are profiled with many small grooves which form an air cushion. These standing layers of air give the MHM wall elements insulation values which are roughly 30% better than with pure solid wood.