What is Roof Flashing?

What is Roof Flashing?

When it comes to installing a metal roof, many people know it requires some flashing. What most do not know is that there are several different components to your roof and each component requires a different type of flashing. In order to most efficiently communicate with your roofer or sales representative at Mid Florida Metal, it is best to familiarize yourself with the different flashings.

Getting Acquainted with the Proper Terms


Most Common Flashings:

  • Ridge (1R, 2R, 39, or 40): This is the peak of your roof, where two slopes meet.
  • Hip (1H, 2H, 39, or 40): The external angle at which adjacent sloping sides of a roof meet. Usually will connect a ridge to an eave, but not always.
  • Eave (45): The horizontal, lower slope of the roof. Often referred to as “drip edge.”
  • Rake (31): The edge of the slope of the roof, usually from the eave to the ridge. Is sometimes also referred to as a “gable end.”
  • Valley (25): The internal angle formed by the intersection of two sloping roof planes to provide water runoff.
  • Pipe Boot: Covers and protects pipes protruding from your roof. Available in a range of sizes.



Less Common Flashings:

  • Sidewall (11): The area where a sloped roof meets a wall.
  • Endwall (15): The area where a horizontal section of roof meets a wall.
  • Transition (67): The section on where two different pitched roofs meet.


Mid Florida Metal Roofing Supply is your one-stop-shop for all things metal roofing. In addition to the panels we also manufacture many pieces of flashing, including custom pieces. You can find all of the flashing pieces we offer by checking out our Flashing Profiles, which correspond with the numbers next to the flashing terms.

Contact your Mid Florida Metal Roofing Representative for more information on your new metal roof!


Call us today! 352-742-7070


Or send us an email: sales@mfmrs.com


About Mid-Florida Metal Roofing

Mid-Florida Metal Roofing Supply has been in the business for 16 years. MFMRS manufactures a wide variety of metal roofing products including Multi-Rib (AG), PBR/R, 5V and Standing Seam in a Galvalume mill finish, as well as a wide variety of colors to meet all your preferences.


We also manufacture an extensive list of flashing profiles to meet any standard or custom application as needed. We specialize in custom profiles serving a wide variety of needs in the construction industry. Our profiles can also be ordered in custom lengths up to 21ft.


We are committed to producing quality products in a timely manner and pride ourselves with friendly personal customer service.

Share Our Metal Roofing News Articles

Related Posts

By MFMRS June 20, 2026
A trim joint can look fine from ten feet away and still be wrong at the fastener. When the pop rivet grip range doesn't match the actual stack of metal, the joint can loosen, gap out, or sit proud. That matters on metal roof trim, where laps, hems, corners, and closures change...
By MFMRS June 19, 2026
A gooseneck vent is small, but the leak risk around it is not. Metal roofs move, shed water fast, and punish weak details, so the flashing around any roof opening has to be tight and well planned. If you want the vent to stay dry, you need more than sealant and good intentions...
By MFMRS June 19, 2026
When evaluating roofing options for a home or commercial building in Florida, many property owners focus primarily on the initial installation cost. While metal roofing often carries a higher upfront investment than traditional asphalt shingles, the true cost of a roof should be measured over its entire lifespan—not just the day it's installed. For Florida property owners, metal roofing consistently delivers one of the lowest lifetime ownership costs of any roofing system available. The Real Cost of Roofing: Looking Beyond the Initial Price Asphalt shingles typically have a service life of 15 to 25 years in Florida's harsh climate. Constant exposure to intense UV rays, high humidity, heavy rainfall, and hurricane-force winds can accelerate deterioration, often requiring repairs or complete replacement sooner than expected. By comparison, a properly installed metal roof can last 40 to 70 years or more with minimal maintenance. During the lifespan of one metal roof, a homeowner may need to replace a shingle roof two or even three times. When replacement costs, labor, disposal fees, permit expenses, and inflation are considered, the long-term financial advantage of metal roofing becomes clear. Superior Performance in Florida's Climate Florida presents unique challenges that few roofing materials can withstand as effectively as metal roofing. Metal roofing systems are engineered to resist: Hurricane-force winds Wind-driven rain Extreme heat and UV exposure Mold and mildew growth Rot and insect damage Salt-air corrosion in coastal environments Unlike asphalt shingles, metal roofing does not absorb moisture, crack from heat exposure, or lose granules over time. For homeowners living in hurricane-prone regions, the added durability can provide significant peace of mind during storm season. Energy Savings Year After Year One of the most overlooked benefits of metal roofing is its energy efficiency. Modern reflective metal roofing systems can reduce heat absorption and help keep attic temperatures lower during Florida's hottest months. This reduces the workload on air conditioning systems and can contribute to lower energy consumption throughout the year. Over decades of ownership, these energy savings can offset a meaningful portion of the roof's initial investment. Lower Maintenance Costs Every roof requires some level of maintenance, but metal roofing generally requires far fewer repairs than traditional roofing materials. Because metal panels are resistant to cracking, warping, curling, and granule loss, property owners often experience fewer service calls and repair expenses over the life of the roof. For commercial property owners, this reduced maintenance burden can translate into substantial operational savings. Increased Property Value Buyers increasingly recognize the value of durable, energy-efficient building materials. A metal roof can enhance curb appeal, improve insurability, and increase a property's marketability. Many prospective buyers view a metal roof as a premium upgrade because they understand the long-term savings and protection it provides. For property owners planning to sell in the future, a metal roof can become a valuable selling point that differentiates their property from others on the market. Sustainability Matters Metal roofing is also one of the most environmentally responsible roofing options available. Many metal roofing products contain recycled content and are fully recyclable at the end of their service life. In contrast, millions of tons of asphalt shingles are sent to landfills each year after replacement. By choosing metal roofing, property owners can reduce waste while investing in a roofing system designed to last for decades. The Bottom Line While the initial investment in a metal roof may be higher than traditional roofing materials, the long-term financial benefits often make it the more cost-effective choice. When you factor in durability, energy savings, reduced maintenance, storm resistance, and extended service life, metal roofing delivers exceptional value for Florida homeowners and commercial property owners alike. In a state where weather conditions test roofing systems year-round, metal roofing isn't simply a roofing product—it's a long-term investment in protection, performance, and peace of mind. At Mid Florida Metal Roofing Supply, we're committed to helping property owners make informed decisions by providing high-quality metal roofing products backed by knowledgeable service and dependable support. Because when it comes to protecting your investment, buying a roof once is always better than buying it twice.