FLAT ROOF REPAIR
A flat roof is a roof which is level in comparison to the most roof types. The slope of a roof is also known as pitch. A flat roof could have up to 10° pitch, approximately. Flat roofs are based on an ancient form most commonly used in arid climates and allow other uses for the roof space such as a living space or patio. Flat roofs or a "low-slope" roofs, are more commonly found in use on commercial buildings. The National Roofing Contractors Association defines a low-slope roof as having a slope of 3-in-12 or less. Flat roofs are constructed all over the world and each area has its own technique or preference of materials used. In warmer climates where there is less rain and freezing is less of an issue flat roofs can be built of masonry or concrete. This is a good way of keeping out the heat of the sun and it's cheap and easy to build where wood is not available. Areas where the roof could become saturated by rain and leak or where it could sink into the brickwork and freeze to ice. This could lead to 'blowing' (breaking up of the mortar, brick or concrete by the expansion caused by ice formation. In these cases a Flat Roof is not suitable. Flat roofs evolved from the Egyptian, Persian, and Arabian styles of architecture