Minimum Pitch For Tiles Roof

Asphalt shingles continue to be the most widely installed roof covering option in north america.

Minimum pitch for tiles roof.

Let us recap on the minimum roof pitch required for each type of roofing material. For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. At a minimum use a type ii no. Divide the results by the number of 12 inch segments in your level.

Some tiles and slates incorporate design features allowing them to be laid at a low minimum pitch. What is the minimum slope for an asphalt shingle roof the short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Because of the long service life of tile a long lasting underlayment should be used as well. Underlayments play a key role in tile roofing since most tile roofs are not completely waterproof.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Concrete is long lasting with a minimum lifespan of 50 years depending on climate. However with modern roofing materials such as boral roofing tiles the minimum roof pitch can be as low as 15.

In traditional home construction it was not recommended to have a roof pitch lower than 20. The following tableprovides the minimum required allowable roof slope for each type of roofing material mentioned in the code. Although the minimum roof pitch for residential homes may vary depending on city and state building codes. Metal roof shingles require a minimum roof pitch of 3 12 or greater.

It is uncommon to find a roof below 15 but for those very low pitch applications there are interlocking clay pantiles available suitable for use down to 12 5. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler. Both clay and concrete tile are available in many colors and are naturally weather resistant. The minimum roof slope allowed by code for any type of roofis in 12 applicable only to coal tar pitch roof systems.

Clay tiles are colorfast which means their tints improve rather than fade over time. The minimum pitch for each product can be found in the table below and in the product brochure or within the products pages. Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15. Low pitches are often found on extensions to properties where the angle of the roof is limited due to obstructions such as.