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Coupe architecturale stylisée d’un hypocauste, un système de chauffage romain.
Stylized architectural section of a hypocaust, a system of central heating used by Romans.
- A hypocaust is a central heating system for ground and pools used in roman times.
- A fireplace fuelled from an adjoining room warm up the air in a free space beneath the ground and the pool.
- Heat is spreading under the ground and is stored then given by small piles of terracotta. These piles are also used to support the suspensura.
- Ground and pool are over a level called “suspensura”, composed of an impermeable hydraulic mortar.
- Heat is also diffused through walls thanks to a system of terracotta pipes called “tubuli”