Low pitched roofs are generally difficult to maintain and you need special materials to prevent leaks.
2 side slope roof.
A reversed gambrel or mansard roof with the lower portion at a lower pitch than.
Holly smith architects designed this louisiana home.
A gable roof with one side longer than the other and thus closer to the ground unless the pitch on one side is altered.
This type of roof is popular for areas with cold weather conditions providing a stable design that deals well with rain and snow.
Mansard roofs can help create a great deal of extra living space.
Asphalt shingles can only be installed on roof slopes of 2 12 or greater.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
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.
The style consists of 2 sides with a ridge at the peak just like gable but each side actually consists of 2 different pitches.
Photography by marc lamkin.
Conventional roofs are the easiest to construct and you can walk on them safely.
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.
The picture makes it easier to understand than to explain.
These roofs have a pitch less than 4 12.
The sides can either be flat or curved depending on the style.
The lower slope is much steeper than the upper.
Generally such roofs have a pitch ranging from 1 2 12 to 2 12.
This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units.
The upper slope is low pitched and the lower slope is high pitched.
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.
Raising the high end of this shed roof a few inches will improve the roof drainage and stop the leak problem.
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.
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.