Minimum Angle For Pitched Roof Extension

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Minimum angle for pitched roof extension.

People think that it is not possible to construct a pitched roof kitchen extension. The pitched roof extension demands less maintenance than flat roofs. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. They believe that the roof angle is too steep for a small sized kitchen and there are chances for water to seep into the kitchen.

With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs. Is it possible to have a pitched kitchen roof extension. Minimum roof pitch is the lowest angle at which a roof can be designed so the roof covering remains watertight. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually.

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. Asphalt shingles continue to be the most widely installed roof covering option in north america. What does minimum roof pitch mean. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.

But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof.