Sloped Roof Construction

Roof covering materials provide weather protection and chapter 9 regulates the minimum required slope for each type of roof covering material since part of the performance of a roof covering material is based on the slope of the roof surface.

Sloped roof construction.

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Place corner pieces where panels will meet bends at the edge of the roofing. Amongst many decisions one has to make when designing a metal building determining metal roof minimum slope is one of them. A hipped roof is sloped in two pairs of directions e g.

A hybrid of a gable and a hipped roof. Roof pitch is the degree of building s roof slope. It is often compared to slope but is not exactly the same. A type of japanese roof construction.

The reverse hybrid of a hipped and a gable roof. A flat roof has a slope of 2 in 12 or less. There are many different types of roof covering materials used in residential construction. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

A curved roof adds an extremely modern interesting feature to any building. A low slope roof is anywhere from 2 in 12 to 4 in 12. To use this you must take the required measurements so you can input them in the required fields. If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.

Modern roofs take advantage of the flexibility of metal materials creating one large curved structure. The flat roofing materials most appropriate to these shallow sloped roofs include. N s and e w compared to the one pair of direction e g. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.

However from the wind uplift mitigation perspective a 7 12 roof slope can be considered as a two story building due to the higher overall steepness and profile of the roof. A roof slope of 7 12 is also good and can provide the additional benefit of helping minimize the effects of wind driven rain. Curved roofs do help to reduce resistance to wind but are mainly chosen due to the stunning aesthetic look they can add to a building. Roof pitches with lower angles such as 1 12 up to 3 12 are found in more urban contemporary style houses and in industrial buildings and shacks.

There are two main categories of roofing. See above dutch gable gablet. N s or e w for a gable roof. It determines how many inches the roof should rise for every 12 inches expanding on the horizontal side.

Although ceramic tile roofs are expensive they can have a life span of over 100 years.