Residential Roof Slopes

This means for every 12 horizontal units the roof must rise a minimum of 3 vertical units.

Residential roof slopes.

A bonnet roof with the lower slopes at a lower pitch. Metal roof shingles can only be installed on roof slopes of 3 12 or greater 25 slope. So don t completely. Roof slope is a very important aspect and it is considered the primary factor in roof design.

However they can also be installed on residential houses in both high and low rainfall areas. Steeper slopes are ideal for areas that have higher snow loads and will also prevent the possibility of ponding water on the roof. The popular simple hip roof is a type of roof where all four sides feature symmetrical gentle slopes towards the walls with no gables or vertical sides to the roof. And smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically from.

Mansard roof on a county jail. If a roof slope rises say 4 inches when measured 12 inches along the bottom of a horizontal roof truss the roof slope is said to be 4 12. 2 12 4 12 conventional slope roof. Residential low slope roofing can generally be divided up into two broad categories.

Mineral surfaced roll roofing can only be installed on roof slopes of 1 12 or greater 8. Collegiate gothic style roof of the sage hall at cornell central campus. The defining feature of hip roofs is that the roof faces are almost always identical in pitch making them symmetrical from the center point. A steep slope roof is one whose slope is greater than 3 12.

A hip roof has slopes on all four sides. The slope of a roof has an effect on the interior volume of a building the drainage the style and the material used. When it comes to residential construction your roof is a visible part of the structure. Roof slopes are most commonly defined by the rise over run ratio.

Most people don t consider the amount of available outdoor living space a flat roof can provide. Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses. This roof form is a classic on some barns in the western united states. 9 12 20 12 steep slope.

The sides are all equal length and come together at the top to form a ridge. Mineral surfaced roll roofing minimum roof slope roof pitch r905 5 2. Common roof slopes include standard designs based on residential or commercial applications. Roof pitch is a measurement of a roof s slope expressed as a ratio.