Pitched Roof Extension Minimum Angle
The minimum roof pitches degrees that are required range between 15 to 22 degrees using the clay range of tiles and if the slate tiles are to be used then this range extends to 22 5 degrees.
Pitched roof extension minimum angle. The minimum pitch for each product can be found in the table below and in the product brochure or within the products pages. According to this code the minimum slope for asphalt shingles is 17 degrees or two vertical units to twelve units in the horizontal. Asphalt shingles continue to be the most widely installed roof covering option in north america. Some tiles and slates incorporate design features allowing them to be laid at a low minimum pitch.
Low pitches are often found on extensions to properties where the angle of the roof is limited due to obstructions such as. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. The requirements for an asphalt shingles roof are contained in the international building code. Express roof pitch as the ratio of the amount of the vertical rise of a roof or rise over the.
Building a pitched roof kitchen extension is as simple as building any other pitched roof extension.