The roof pitch is an important calculation that plays a role in choosing the appropriate roofing for your home or commercial property. Top roofing contractors in Columbia, SC, understand its technical nature. For example, keep in mind that warranties from certain manufacturers could get voided if you choose the wrong roofing type for a given roofing slope.
CMS Roofing provides a few pieces of information regarding this essential topic.
Roof Pitch Basics
Rise and run are just a few of the terms you should learn. Rise is a vertical measure, while run is its horizontal equivalent. Experts define roof pitch as the number of inches of rise your roof has for every foot of run. This is expressed as a ratio or a fraction, with the run typically expressed as 12.
The definition of pitch ranges vary among every manufacturer and roofer in Charleston, SC. Here is an overview:
• Flat — Mostly seen on commercial properties, this usually falls within the ½:12 to 2/12 range. Despite the name, there exists a slight slope as this is necessary for drainage.
• Conventional Slope — This usually falls within 4/12 to 9/12. This perhaps the most common slope referred to by roofing companies in Charleston, SC, in reference to residential buildings.
• Low Slope — This usually falls within 2/12 to 4/12.
• Steep Slope — Its pitch typically falls 9/12 and above.
Once you have identified your roof pitch, you can then narrow down your roofing material choices. With a flat or low slope roof, membrane-type roofing like TPO and EPDM are ideal options. Prevention of standing water and solar heat deflection is a priority over curb appeal, as roofs with this pitch aren’t visible from the ground.
Meanwhile, a conventional slope is the optimal pitch for visually a pleasing material like shingles and tile. This is advisable for shedding moderate rainfall. On the other hand, a steep slope works for areas with large amounts of snow and rain. Given its steepness, lighter materials like shingles and steel are the best choice, as heavier materials such as slate and tile can fall off easily.
Understanding your roof pitches can help you make an informed decision on the kind of roofing you should get. If you’re interested in getting new roofing for your home, call CMS Roofing today at (877) 425-4121. You may also fill out our contact form.