Shallow Pitch Roof Options

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal.

Shallow pitch roof options.

The best roofs for a 2 12 pitch roof pitch basics. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. Keep in mind that neither metal shingles not corrugated metal panels are suitable options for low slope or nearly flat roofs. Suitable materials for pitched roofs.

Finding the right products for your low slope roof. 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. Low pitch roof systems and steep slope roof systems. Click to enlarge any image or table.

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. Pitch is the term used to describe the angle slope or slant of your roof. 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. The 12 year weatherbond warranty is to date the best i ve found in the category of residential low slope roofing products.

The following low slope roof system discussion is adapted paraphrased with permission from best practices guide to residential construction chapter on best roofing practices. They can also be used on low pitched roofs such as the sandtoft 20 20 tile which is a highly popular clay option that can be installed on pitches of 15. Iko roof fast flat roofing products are engineered manufactured to meet the particular challenges associated with residential low pitch roofs applications. Or the colon can replace the slash as in 2 12 or 7 12.

A minimum pitch of 3 in 12 or even 4 in 12 will normally be required. Pitched roofs begin with with slopes greater than 3 in 12. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. The roof s construction is determined much by its underneath support space it bridges and weather whether a roof is pitched or not.

Residential low slope roofing can generally be divided up into two broad categories. Roof pitch designations are comprised of two numbers indicating a ratio. 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.

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.