Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
Minimum roof overhang philippines.
The opening be notlessthan 55 centimeters by 75 centimeters 22 inches by 30 inches.
Seventy fivecentimeters 30 inches minimum clear headroom shall be provided abovethe access opening.
With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels.
To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope.
A typical metal roof overhang may be 2 to 4 inches or even less.
This will protect a roof from most types of damage.
Two feet is the general maximum length for a typical roof overhang.
They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation.
Doing so keeps basements and crawlspaces dry and it also helps to.
Attics with a maximum vertical clear height of lessthan 75 centimeters 30 inches need not be provided with accessopenings.
The minimum roof slope for metal roofs is dependent upon the roof profile.
386 the 1949 civil code of the philippines speaks of the minimum easement of two meters 2 0 m from the property line for the reason of privacy i e.
The larger the overhang the more upward lift will be created on the roof.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
The required open space shall be located totally or distributed anywhere within the lot in such a manner as to provide maximum light and ventilation into the building fig.
Of course it is common in the philippines to build the overhangs larger so to keep the sun off the concrete walls.
This is a compromise you will have to think about the larger the overhang the more pressure your roof will have to withstand.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
On easements or setbacks and courts or yards 1 articles 670 and 682 of r a.