The Truth Behind These 3 Roofing Myths

The Truth Behind These 3 Roofing Myths


There are many roofing myths often circulated by people who don’t understand how roofing works. Proper
roof maintenance and installation will help ensure your roof and entire home are in good condition for many years to come.


Early roof leak repair is crucial because water leaks can cause major damage to your roof and other parts of your house, such as ceilings, walls, and insulation. This can lead to structural damage.


Keep reading to learn the truth about three common roofing misconceptions.


Myth 1: It Is Okay to Put a New Roof on Top of an Old One


You might have heard that installing a layer of new shingles over the old ones will save you money. Although you may spend less initially, chances are you’ll end up paying more in the end. Whether one part of your roof or the entire roof needs to be replaced, it’s best to remove old shingles before putting down new ones.


Shingles are designed to fit flat, even surfaces. Forcing them to fit over bumps and gaps won’t hide the defects of old shingles. Not only is it less aesthetically pleasing, but it can make the new layer of shingles harder to mount and secure, which will almost surely lead to problems down the road.


Putting new shingles over the old ones doubles the weight placed on the roof. When snow piles up in the winter, it can cause strain that leads to extensive structural damage and even roof collapse.


Having a roof replacement over old shingles also makes it impossible for contractors to properly examine the condition of the base wood and determine if there need to be repairs done beforehand.


Myth 2: No Leaks, No Problem


Although a leak is one of the most common signs that there’s a problem with your roof, it’s by no means the only issue when it comes to roof maintenance.   


Paint that’s peeling or blistering is often a sign of poor attic ventilation, and you could have roof problems especially if moisture is trapped. If you see rays of light coming through attic boards, it’s a sure sign that you need roof repairs.


The condition of your roof shingles is a good indicator of roofing problems. It’s a good idea to check if they’re cracked, curling, discolored, missing, or showing other signs of decay due to age or weather exposure.


You could even have a leak without noticing. Mold growth stains where the roof and exterior wall meet can be signs of a leak hidden inside the wall.


Myth 3: New Roofs Do Not Need Regular Maintenance


Getting a new roof is a major expense. You want to make sure you get the most out of your investment.


Something as simple as roof maintenance is one of the best ways to maximize the life of your roof. This involves checking all of the most vulnerable areas of the roof. Even a brand new, properly installed roof should have an occasional roof maintenance inspection to catch potential hazards. 


A minor issue left untreated can lead to costly, major repairs. But, minor issues are often tough for the untrained eye to catch. Not all leaks and other roofing problems are easily detected unless you’re a trained professional who knows how to inspect for potential hazards and repair them before they become major restorations.


Contact Us Today for a Free Estimate!


As a roofing contractor in Rockville, Maryland for over three generations, Central Exteriors has developed an excellent reputation for our commitment to customer satisfaction and quality craftsmanship.


As a
residential roofing company specializing in roof repair , our team takes pride in providing an array of services and giving you the best product within your budget to ensure your home functions at its best.


For more information or a free estimate, call
301-881-2424 or fill out our online form .


Share This Blog

Red metal roof with chimney and angled edges.
March 18, 2026
Protect flat roofs with TPO, EPDM, and metal details that resist uplift. Get inspection, fastening, and warranty tips for properties across MD and WNC.
Blue two-story house with white trim, porch, and brown door, under a cloudy sky.
March 10, 2026
Compare costs, insulation, colors, and warranties to choose siding that boosts home value and cuts upkeep. HOA‑friendly picks for MD, DC, and Northern Virginia.
Gutter filled with leaves, partially covered by a metal screen, against a blurred autumn background.
March 4, 2026
Stop clogs and protect your home during pollen season in DC Metro and Western North Carolina. Discover why “Leaf Relief” gutter guards from Central Exteriors offer the best solution for lasting gutter protection.
Double black front doors with sidelights, flanked by potted flowers and bushes, under a covered entry.
February 24, 2026
Explore the latest in secure and stylish door options to enhance your home's entrance and boost its value.
Dark gray rain gutters installed on a house with a matching roof.
February 18, 2026
Find out how advanced gutter solutions protect your home’s foundation and prevent costly repairs.
Damaged asphalt shingle roof with missing and broken shingles. Grey color.
February 10, 2026
Spot cracked shingles, lifted flashing, and attic leaks after winter. Learn fast repair steps and when to call Central Exteriors for emergency service in MD, DC, and WNC.
Aerial view of a dark gray roof with two chimneys, a small green lawn, and surrounding trees.
February 4, 2026
Compare shingles vs. metal for MD, DC Metro, and WNC homes. See lifespan, cost, curb appeal, and warranty tips—plus when full replacement beats repairs. Get an instant roof estimate.
Green door framed by white windows, peach exterior. Potted plants flank the entrance.
January 27, 2026
Security, energy efficiency, and style—learn which features make the biggest impact when choosing new exterior doors.
Person in red glove lifting a damaged terracotta roof tile on a wooden structure.
January 21, 2026
Identify what leads to roof leaks and learn simple prevention and repair strategies to keep your home dry and safe.
Bay window with white trim on brick house, reflecting trees and interior furnishings.
January 13, 2026
See how upgrading to new energy-efficient windows offers homeowners substantial savings and boosts home value.