La pedra en sec. Materials, eines i tècniques tradicionals a les illes ...

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Definition
To roof a drystone masonry building
with a false dome (popularly called a
curucull or caperutxa). Curucull roofs
are common in round or square buildings
although some rectangular huts
are roofed with two or more false
domes.
Description
Building a curucull roof involves placing
flat stones next to one another to
make concentric circles which
decrease in diameter the higher they
get until they are topped off with one
or more stones. An alternative technique
is to build the roof with more or
less uniform stones placed on edge
rather than flat as is more common.
The stones in the rings rest on one
another and are carefully fitted together
and wedged so that is difficult for
them to come out of place. The rings
lean slightly outwards to stop rainwater
getting inside the building.
The stone used to top off the false
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may be placed flat (as a cover) or vertically.
The false dome on a circular building
rises straight up from the walls. Roofing
a square building involves creating
an octahedron formed by four
stone slabs placed on an internal
angle or taking advantage of spaces
in the internal angles such as food
stores or eating areas and then change
the square shape to a round one.
The most common external form is a
more or less pronounced bell-shape
covered with earth to make it waterproof.
Another type is a very pronounced
conical roof with no earth covering
in which the interior walls form
small steps on the outside at the
height of each ring. A system of roofing
which is rare in Majorca but widespread
in Minorca is stepped dome
using a series of belts.
Tools required
Hammers, mass, triangular hoe, twohandled
basket.