Shallow Pitch Roof Options

The following low slope roof system discussion is adapted paraphrased with permission from best practices guide to residential construction chapter on best roofing practices.

Shallow pitch roof options.

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal. Click to enlarge any image or table. Roof pitch designations are comprised of two numbers indicating a ratio. And if the performance of single ply epdm roofing on commercial installations is any measure weatherbond 110 can certainly last much longer than 12 years if it s properly installed.

There are two types of roofing systems low slope roofing systems and steep slope roofing systems. 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 from steep slope to low slope on the same structure. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. A minimum pitch of 3 in 12 or even 4 in 12 will normally be required.

Roof pitch defined and explained. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. Keep in mind that neither metal shingles not corrugated metal panels are suitable options for low slope or nearly flat roofs. Residential low slope roofing can generally be divided up into two broad categories.

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. Plenty of low pitch roof options are available. Most roof coverings can be applied on roofs as shallow as 2 12 as long as a fully waterproof membrane is installed over the decking. Most modern solid roof s in the united states are sloped or pitched to allow for runoff but as seen above there are numerous options in roof design for an outdoor shade shelter.

Low pitch roof systems and steep slope roof systems. Where the minimum pitch for clay pantiles used to be 30 tiles like the redland cathedral pantile can be pitched as low as 22 5. The 12 year weatherbond warranty is to date the best i ve found in the category of residential low slope roofing products. Pitch is the term used to describe the angle slope or slant of your roof.

Finding the right products for your low slope roof. The roof s construction is determined much by its underneath support space it bridges and weather whether a roof is pitched or not. The best roofs for a 2 12 pitch roof pitch basics. Iko roof fast flat roofing products are engineered manufactured to meet the particular challenges associated with residential low pitch roofs applications.

Pitched roofs begin with with slopes greater than 3 in 12.