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Chartres nave

Chartres nave

Inside Chartres cathedral

The architect started from the west end of the cathedral, at the nave. The builders built the nave very tall, the highest in France at that time – 120 feet. And, to keep the church from burning down again, they put on a stone roof instead of a wooden one.

What is Chartres Cathedral?
What is a cathedral?
Gothic architecture
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The new four-part vault

But a stone roof was very heavy. It pressed down on the walls, and pushed them outward, so the builders had to built big stone buttresses on the outside of the church to push back the other way, so the walls wouldn’t fall down. To make the roof lighter, the builders used the new four-part vault for the roof, instead of the older six-part vault as at Notre Dame in Paris.

What’s a buttress?
What’s a four-part vault?
Notre Dame Cathedral

Flying buttresses let in the light

To let more light into the church, and to hold up the extremely high roof, they built flying buttresses. You can see the flying buttresses in the picture of the outside of the cathedral.

Flying buttresses at Chartres

Flying buttresses at Chartres

Because of the lighter roof and the flying buttresses, the walls didn’t have to hold up much weight, so they could be mostly glass. Here you can see the elevation (the way the walls look) – see how much is glass or archways, and how little is made of stone?

What is a flying buttress?
More about window glass

The walls of Chartres Cathedral

The walls of Chartres Cathedral

Comparing Chartres with Paris

If you compare the walls of Chartres with the walls of Notre Dame in Paris, which was built only a few years earlier, you can see that there is a lot less wall and more glass at Chartres. The arches have gotten higher, the gallery has gotten smaller, and the windows have gotten bigger than at Notre Dame.

More about arches
Rouen cathedral

Also, check out how the columns between the arches are made with lots of little columns that run almost uninterrupted all the way up to the ceiling, to draw your eyes up to Heaven.

Learn by doing: build an arch
More about Chartres cathedral

Bibliography and further reading about Chartres cathedral:

Rouen cathedral
Gothic architecture
Medieval architecture
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