The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions.
Minimum roof slope philippines.
Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
The pitch of the roof in the philippines refers to the angle or the slope of the roof.
The metal roof minimum slope doesn t stray far from other building with different material.
Due to the fact that the philippines is susceptible to weather events such as typhoons a properly built.
Declaration of policy a it is hereby declared to be the policy of the state to safeguard life health property and public welfare consistent with the principles of environmental management and control.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
The values given here.
The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
A this act shall be known as the national building code of the philippines and shall hereinafter be referred to as the code.
And to this end make it the purpose of.
The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope.
The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code.
Try and keep the roof uniform.
Asphalt shingles require a minimum roof pitch of 2 12 or greater.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
The profile refers to the shape the metal sheets take when they bend to.
Depending on the roof profile there are minimum roof slope requirements for each panel which need to be considered.
Let us recap on the minimum roof pitch required for each type of roofing material.
The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.
The standard of lower pitch actually ranges between 1 12 to 5 12.
A recommended pitch is 3 12 to 6 12.
Very low roof pitches angles or very high pitches create more upwards pressure and will require more engineering to keep them in place.