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How Much Overhang on a Metal Roof?
You can’t overthink the overhang
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The metal roof overhang extends beyond your fascia board, and a standard length of 1 to 3 inches protects your roof decking and fascia from water damage.
Metal roof installation costs $7,500 to $24,000, with average costs around $11,700, so choosing the right overhang length during installation helps avoid future repairs.
Your ideal overhang length depends on your local climate and aesthetic preferences, with 2 to 4 inches working best in areas with heavy rainfall or snowfall.
Hiring a local metal roof installing professional keeps your overhang measurements accurate and ensures proper drip edge installation for long-term fascia and decking protection.
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Your roofing system is one of the most crucial parts of your home to make sure you get right. There are building codes for most aspects of roof installation and design, including the depth of your eaves and even where you place fasteners, but one area where the code is lacking is the roof overhang. While there’s no specific measurement required, between 1 and 3 inches is standard for metal roofs. In this guide, we’ll explain how to determine the ideal overhang for a metal roof and why it’s important.
What Is Roof Overhang?
Homeowners and contractors alike use the term “roof overhang” to refer to a few things, so a little clarification is in order before we get into the ideal roof overhang on a metal roof.
Eave overhang: “Roof overhang” can sometimes refer to how far your eaves extend beyond your exterior wall at the bottom of your gables. A more specific term for this is “eave overhang,” and the standard measurement is 12 inches. Building code requires under 24 inches unless the builder uses additional bracing for support.
Rake overhang: Some people use “roof overhang” as a general term for rake overhang, which is how far beyond the exterior wall your roof extends on the rake edge (the sloped side of a gable). Standard rake overhang is anywhere from 1 inch to 12 inches, and it can extend to 24 inches without additional support.
Roof overhang: The most accurate definition of “roof overhang” is how far beyond the fascia board your actual roofing material extends at the bottom of your roof slopes.
How Much Overhang Should You Have on a Metal Roof?
There are no general building code requirements for how much roof overhang you need on a metal roof. In most cases, though, accounting for between 1 and 3 inches beyond the fascia board is standard when measuring for a metal roof, depending on your climate and the look you’re going for on your home. A shorter overhang looks more modern and sleek, while a longer overhang provides better protection for your roof decking and fascia board, reducing the risk of water damage and rot.
How to Choose the Right Roof Overhang for Your Metal Roof
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There are a few important things to think about when hiring a roofer and discussing roof specifications to make sure you get the optimal metal roof overhang for visual appeal and property protection.
Aesthetics
You can eliminate metal roof overhang entirely to achieve a sleek, modern appearance. Coupling a roof with no overhang with drip edge flashing can still protect your roof decking, although your fascia boards will see more exposure to rain and snowmelt and will be at a greater risk of rotting.
Climate
In areas with heavy snowfall and above-average rainfall, you should aim for between 2 and 4 inches of roof overhang, especially if you have a steep metal roof pitch. Doing so reduces the risk of water damage to your fascia and roof decking. You should avoid going beyond 4 inches because longer overhangs run the risk of snow loads bending the roof downward over time, which can detract from your home’s curb appeal.
For the best results and the lowest risk of property damage, consult with your local metal roof installer about what’s best for your area.
Gutters
If you have gutters installed on your home, a metal roof overhang of 2 inches is ideal for directing water into the gutters for safe disposal. Extending the overhang beyond that can route water over your gutters, rendering them useless.
Frequently Asked Questions
Roofing services reviews from real Angi homeowners in Columbus, OH
4.3★ avg. • 120 total reviews
- Chance R.
D1 Roofing delivers outstanding service from beginning to end, backed by a strong warranty and expert teams. I highly recommend them for their excellence in meeting and surpassing expectations with unmatched communication. Choosing D1 Roofing was flawless decision
Division 1 Roofing LLC - Jeremy P.
This place took $25,000 for a flat roof job with a five-year warranty and never returned to fix the leaks that were caused by their work. These people are not professionals and should not be doing this type of work. They incorrectly changed the pitch of the roof, and caused more damage than...
- David B.
The technician was very professional and friendly. He answered all my questions and was very thorough. He left the fireplace area very clean . He inspected from the roof and advised me as to other work that might need to be done. There was no pressure there. I was very satisfied with the...
Supreme brick & chimney - Kevin S.
I am really impressed with their timeliness and turnaround. Mitchell came out, and we decided to move forward with their pricing. Our roof was on within a week, and we could not be happier with their team! Amazing company, great prices and honest, dependable craftsmanship. I highly recommend...
Window Depot USA of Central Ohio - Rob B.
Manuel Calvillo is the best option in the area for roofing and you won't be disappointed.
- Julie K.
They damaged multiple items on my property, including a marble slab used as a table top, tried to hide it, and refused to pay or replace. Arrived day one without a ladder to access roof & delayed a day. Left a mess in back yard; didn't wear face masks; no show by owner to property to see damages
Grants Tree Service - Marcia L.
I've hired Gary/Cherokee Roofing for two different homes, work quality, responsiveness, and completion have been great both times. And the prices quoted were very competitive. I would definitely hire again.
- Paul F.
Lyle did a great job removing asbestos shingles from our front porch roof. They worked together with our roofer to make sure that the new roof was able to be installed on the same day that Lyle removed the asbestos shingles.
Lyle Environmental - Paul F.
Bradley Builders did a good job replacing the roof on our front porch. They color-matched the existing shingles on the rest of the house and installed a metal ridge roll since we live in a historical neighborhood. They did the job while we were out of town. When we got back, everything was...
Bradley Builders, Inc. - Madison B.
I would absolutely recommend this business. They offer a variety of services, including: painting, roofing, and refinishing wood flooring. I hired them to refinish the original hardwood flooring in my home built in 1874. The job was quite challenging, as the floors were extremely aged and...
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