The warehouse will be covered and a cement structure will top the lower part .
The first glulam ribs have been installed.
The thickness of the rib has been determined by the experts.
The instrument shown in the picture is a hydrometer designed to measure and register the humidity of air every hour.
Indeed, when we have to work with wood and epoxy glue there are very strict tolerances to be respected.
The ribs themselves are kept in air conditioned humidity controlled rooms.
Click on the images to enlarge.