Why Do Roofs Need Overhangs

One function of a roof overhang is directing water away from the foundation.

Why do roofs need overhangs.

A high quality gutter system is necessary for this as well but roof overhangs greatly increase a roof s productivity in this area. Because it s easier to frame a wide eave overhang than a wide rake overhang problems from stingy overhangs are more common at rakes than eaves. Next step stainless steel drip edges and shingles. With our house we are planning minimal east and west overhangs and ample south and north overhangs.

At the bottom of the shed wall the fact that water from the roof is being directed away from the shed. A house with improper overhangs can overheat in the summer and can suffer from water entry problems at windows and doors and can have premature siding rot or damage. A typical gable roof has two kinds of roof overhangs. Having a roof overhang protects the walls and the base of the shed.

They can shade windows when solar heat gain is undesirable and they can help keep basements and crawl spaces dry. Perhaps martin is right houses should have roof overhangs. The original rafters are extended but original roof deck sheathing cut back to be flush with the original wall sheathing. With the west east overhangs the main use is siding window protection and keeping rain snow from foundation.

Overhangs protect the foundation and home walls from excess water and subsequent water damage by redirecting water runoff away from the structure attached eaves spouting can corral excess water and safely deposit it into the ground diverted from the foundation. Even wind driven rain finds it difficult to enter a shed when protected by a relatively small overhang. And i thought a roof overhang would be really nice right now. On the front of the roof edges of the roofs the overhangs were extended to hide the thickness of the roof insulation photograph 10.

Eave overhangs and rake overhangs. Roof overhangs have several important functions. They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. A roof overhang also protects the upper portion of your exterior walls that it is attached to from rainfall.

We will protect shade the west windows with cedar awnings grates. These will also help shed snow away from the foundation in the winter. Overhangs are generally a good thing especially on one story houses. Keeping rain water away from the building is not only good for the foundation it also gives the windows and doors less water and less direct impact from water so they leak less.

They can protect exterior doors windows and siding from rain.