The ecologically sound building material company, Natural Building Technologies (NBT), has introduced Ziegel blocks to their product range. The interlocking blocks are imported from Germany and are a full loadbearing external and internal wall masonry system. They have high thermal performance, are economical, allow for fast build times and also have good environmental performance.
NBT Ziegel systems have available a variety corner blocks, lintels, blocks for internal pipework, internal partition blocks and even flooring and roofing systems. It is a breathing wall design that has a K value of 0.11 meaning that a single block 300mm meets building regulation standards part L for walls (a U Value of 0.35). Higher performance blocks and systems are also available from NBT if required.