2 Side Slope Roof

A mansard roof also known as a french roof is a four sided roof with a double slope on each side that meet forming a low pitched roof.

2 side slope roof.

Generally such roofs have a pitch ranging from 1 2 12 to 2 12. The upper slope is low pitched and the lower slope is high pitched. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. Holly smith architects designed this louisiana home.

Photography by marc lamkin. Asphalt shingles can only be installed on roof slopes of 2 12 or greater. This type of roof is popular for areas with cold weather conditions providing a stable design that deals well with rain and snow. Also if asphalt shingles are installed on a roof slope of 2 12 to 4 12 it shall be provided with a double underlayment application.

A reversed gambrel or mansard roof with the lower portion at a lower pitch than. A gable roof with one side longer than the other and thus closer to the ground unless the pitch on one side is altered. The slope of the roof on this modern pond side house allows the solar panels to take in as much energy as possible and lets rain water fall back into the pond to help with drainage around the house. Raising the high end of this shed roof a few inches will improve the roof drainage and stop the leak problem.

The sides can either be flat or curved depending on the style. The picture makes it easier to understand than to explain. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units.

A pitched extension of a main roof similar to a lean to but an extension of the upper roof. Conventional roofs are the easiest to construct and you can walk on them safely. Low pitched roofs are generally difficult to maintain and you need special materials to prevent leaks. Mansard roofs can help create a great deal of extra living space.

Box gable roofs have two sloping sides that meet to form a ridge with a triangular extension on either side that is boxed off from the walls. These roofs have a pitch less than 4 12. The style consists of 2 sides with a ridge at the peak just like gable but each side actually consists of 2 different pitches.