The typical Norman houses of the 15th and 16th centuries stand proudly with their half-timbered walls. They are built following a medieval technique, using thick beams which form tiles. In between the beams, the cob is made using water, hay, and clay. Once dry, the cob is covered with a plaster of sand, linen, and lime which gives it its typical fresh-butter colour as well as protecting it from the weather. Some facades are also covered with chestnut-wood shingles.