How the Romans built their walls
Walls were constructed from frames of oak timbers. The Romans would have prefabricated the frame in a workshop and then assembled it on site. The timbers were fitted together and consisted of base-plates laid on the ground with vertical corner posts and wall-plates fitted into the base-plates at intervals of about 2 Roman feet (60 cm). Diagonal timber braces were fastened to the timbers in order to strengthen the frame.
Once the frame was in position, it was in-filled in one of two ways:
The exterior walls were then either clad with planking or plastered and then painted.
Evidence from the Poultry dig
Many of the buildings uncovered at Poultry had no foundations but were supported by large timber posts, sharpened and driven in to the ground as piles. The ground was levelled with a layer of brickearth. Then the base of the frame was set directly on to the piles and the ground. Remains of both wattle and daub and mudbrick were found, as well as the bases of some walls. The bakery had a wall surviving to a height of 30 cm and the merchants shop to a height of nearly 60cm.
Reconstructing High Street Londinium
The walls were prefabricated in a workshop and then assembled in the Museum, just as the originals would have been. Each of the three buildings uses a different technique.
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