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Swept Valley
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Details contribute enormously to a roofs character. The Cotswold stone roof
can have a distinctive swept valley,where one slope gently flows into another
roof’s slope.
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Specially cut stone tiles are used for swept valley’s so as to establish a gentle curve,
two across the valley alternating with three across. Where there are three,
the centre tile is called a bottomer,this is wedge shaped and does not reqire
a peg. It is held in place by placing a stone tile either side called a lie-bye or a
side skew. The next course has two stone tiles turning the valley,these are called
skews.
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Sometimes a swept valley is replaced with a modern lead valley, this can
sometimes harm the appearance of a Cotswold stone roof. This is usually done by
a tiler whom does not now the proper method of building a swept valley.
Cotswold roofing is skilled at building swept valley’s to a very high standard.
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