3. Off-site construction

Off-site construction is an evolution in the world of building. Buildings are evolving and becoming more and more complex to comply with regulations, and this has always been the case. 40 years ago, carpenters made windows, which were relatively simple, with walnut and wolf grooves; watertightness was achieved by the swelling of the wood in winter, and a slightly cool temperature was accepted in the home. With the spread of central heating, people's desire for greater comfort, and the oil shocks that pushed people to economize, joinery has greatly evolved, with large sliding openings, double joints, double glazing... The way they are produced has also changed: some joiners have become industrialists capable of producing very high quality joinery at very reasonable prices, while others have chosen to work on site and play the essential role of installation. In the beginning, made-to-measure...