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.
The minimum pitch for each product can be found in the table below and in the product brochure or within the products pages.
With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs.
After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually.
Is it possible to have a pitched kitchen roof extension.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
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.
Low pitches are often found on extensions to properties where the angle of the roof is limited due to obstructions such as.
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.
The pitched roof extension demands less maintenance than flat roofs.
Some tiles and slates incorporate design features allowing them to be laid at a low minimum pitch.
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.
What does minimum roof pitch mean.
People think that it is not possible to construct a pitched roof kitchen extension.