Semi-finished products

More convenience, improved performance

Semi-finished products like window frames, doors, gates, thresholds or special profiles make your work and calculations easier. Many of these products will be manufactured and customised in line with your wishes.

More and more developers are looking for healthy, sustainable construction materials. The LEWA® wall system is an ecologically interesting development of our own. The timber comes from forests in the region. LEWA® demonstrates that ecologically designed and implemented buildings need not be any more expensive than conventional ones.

Window frames and doors

Manufactured ready-to-assemble, supplied on time and quickly assembled…

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Special profiles at the request of customers

Another application of CNC technology is customised profiles for innovative solutions...

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Cross-glued thresholds

Another development by Lehmann: cross-glued thresholds with high levels of resistance...

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