Low Pitched Roof Construction

Roof window surrounds can be particularly tricky to detail effectively even though the window flashings work perfectly well at low pitches.

Low pitched roof construction.

They are not advised for high rainfall or high snowfall areas. Not only can low slope metal roofing contribute to the bottom line it can also contribute to leed credits which are awarded to buildings that use high recycled content and other green construction materials. A typical low slope metal roof has at least 25 recycled content and at the end of its long useful life is 100 recyclable. This pitch might be as low as 1 12.

The trouble with low roof pitch. The primary advantage of a low roof pitch is maximizing space. Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. Heating and cooling are easier in a building with a flatter roof for example.

As in all construction work paying attention to the little details can make all the difference between a long lasting trouble free project and one that results in callbacks and early failure never a good option with a new england roof. The low pitch makes flat roofs more susceptible to water leakage. Roofs on victorian era houses were often sharply angled with a steep pitch. The basic cold roof construction consists of rafters set at up to 600mm centres underlay laid horizontally over the rafters with a slight drape between each rafter and tile.

However low slope roofs come with disadvantages. This is why roof pitch determination is preferred at the onset of the construction project not when it is time to set up the roof. Although the upfront cost of building a flat roof is less expensive than a pitched roof they can be more expensive in the long run due to maintenance and ongoing roof repair and replacement costs. Can metal roofing be used on a low slope pitch roof.

It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. Visually this roof appears flat. Think of a classic addams family haunted house with its soaring peaks and you have a. Finding the right products for your low slope roof.

In either case find a professional roofing contractor experienced with low slope roofs and these specific products. Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically. Detailing a low pitch eaves the lower the roof pitch the more difficult it becomes to construct an effective eaves system particularly where roofspace ventilation is required. It will allow you to utilize the space in your area all the way up to the top.

Plenty of low pitch roof options are available. Residential low slope roofing can generally be divided up into two broad categories. There are two types of roofing systems low slope roofing systems and steep slope roofing systems.