A gambrel, or gambrel roof, is a usually symmetrical two-sided roof with two slopes on each side. The upper slope is positioned at a shallow angle, while the lower slope is steep. This design provides
Barn with a gambrel roof
Dwelling with gambrel roof in Amityville, New York, made famous by The Amityville Horror
If the date of construction and the roof of the Henry Bull House was original to the circa 1639 date this would be the oldest known example of a gambrel in America.
Another candidate for oldest gambrel roof, said to be from 1666, Alexander Standish House
A mansard or mansard roof is a multi-sided gambrel-style hip roof characterised by two slopes on each of its sides, with the lower slope at a steeper angle than the upper, and often punctured by dorme
Gambrel
…origin, the older, European English name being curb roof (kerb roof, kirb roof). Europeans historically did not distinguish between a gambrel roof and a mansard roof but called both types mansard roofs. In the United States, various shapes of gambrel roofs are sometimes called Dutch gambrels, Dutch Colonial gambrels…
A mansard roof on the Château de Dampierre, by Jules Hardouin-Mansart, great-nephew of François Mansart
Mansard rooftops along Boulevard Haussmann in Paris constructed during the Second French Empire.
The Landed Gentry House in Szczecin, Poland
The Hôtel de Besenval in Paris. The mansard roof was added in 1866.