Somewhere over Richfield right now, a jet is lowering its landing gear. Inside thousands of nearby homes, that rumble arrives as a dull hum rather than a roar, and a lot of the credit belongs to work nobody sees. Attic insulation, sealed gaps, and baffled roof vents have been quietly doing their job for years.
The trouble is that a reroof touches nearly every one of those hidden layers. Shingles come off, vents get swapped, decking gets replaced, and crews walk through the attic space from above. Done carelessly, a new roof can leave a house looking better and sounding worse.
That makes the conversation with your roofing company in Richfield worth having before anyone climbs a ladder. A team like Bravo Restorations, which handles exterior renovation and storm work for homeowners and businesses around the Twin Cities, can plan a replacement around what the attic already holds instead of discovering it halfway through. Whoever you hire, the goal is the same. Keep the sound protection you already paid for, or earned through a program, fully intact.
How Jet Noise Actually Finds Its Way Indoors
Sound does not need a leak to get inside, but it travels much more easily through some routes than others. On the roof side of a house, it tends to use three.
Through the mass of the roof itself. Heavier assemblies block low frequency rumble better than light ones. Shingles, underlayment, and the wood deck all contribute weight, and a deck made of old plank boards with gaps between them performs worse than solid sheathing.
Through open holes. Roof vents, ridge slots, exhaust caps, and skylights are literal openings to the sky. Air has to move through them for the attic to stay healthy, which also means sound can pass through almost unhindered unless something interrupts its path.
Through the attic and into the ceiling. Once noise is in the attic, insulation and air sealing decide how much of it reaches the bedrooms below. Thin or disturbed insulation and unsealed light fixtures act like small speakers pointed downward.
What the Metropolitan Airports Commission Already Did to Many Homes
The Metropolitan Airports Commission has run residential sound insulation work around MSP since 1992, and inspectors in the area call these houses “MAC’d.” The treatments commonly included wall and attic insulation, sealing attic bypasses, and baffling roof and attic vents. Guidance from the program describes insulating attics to capacity or up to fourteen inches, and baffling vents in a way that blocks a direct sound path while still allowing airflow, sometimes with something as simple as insulation board mounted beneath the vent opening.
Richfield also adopted an ordinance in 2009 that recommends noise mitigation measures when homeowners remodel or add on, though it requires them only for new construction. In practice that means nobody will force you to protect the sound package during a reroof. You have to ask for it.
The program is not frozen in the past, either. The commission’s current phase runs from 2025 through 2032, with eligibility reviewed every year based on actual noise contours. A home generally needs to sit inside the 60 to 64 DNL contour for three consecutive years to qualify. You can check where your address falls using the MAC eligibility page and mitigation map. If your home might qualify soon, coordinate the timing of a reroof with any future sound work so the two projects support each other.
The Reroof Decisions That Matter Most
Most choices on a roof replacement are about weather, longevity, and looks. A handful of them also shape what you hear indoors.
- Replacing old box vents with a continuous ridge vent, which can cut a long open slot along the peak and bypass the baffles installed under the original vents
- Adding or keeping a powered attic fan, which creates a large opening and can pull conditioned air out through ceiling gaps
- Tearing off plank sheathing or overlaying it with new plywood, which changes the mass of the roof
- Moving or replacing bath and kitchen exhaust caps, which should have working dampers
- Installing or keeping skylights, often the weakest acoustic point on any roof
None of these choices is wrong on its own. Ridge vents often improve attic ventilation, which helps with ice dams and shingle life. The point is that each one needs a matching acoustic solution, such as a baffle beneath the ridge opening that still lets air flow, so one benefit does not cancel another.
Choosing Materials With Your Ears in Mind
Asphalt shingles are the default across Richfield’s ramblers and story and a half homes, and that works in your favor. Laminated architectural shingles weigh more than older three tab styles, which adds a little mass to the assembly. Ice barrier membrane along the eaves and solid synthetic underlayment add a sealed, continuous layer that also helps.
Metal roofing deserves a closer look rather than a quick dismissal. Its reputation for noise comes mostly from rain and hail. Installed over solid sheathing with a quality underlayment, a metal roof can perform reasonably well against aircraft noise, but its lighter weight means the attic insulation has to carry more of the load. Homes directly under approach paths may get more benefit from investing in deeper insulation and careful sealing than from the roofing material itself.
If your home still has plank boards under the shingles, the reroof is the cheapest chance you will ever get to add solid sheathing. That one upgrade improves nailing, reduces drafts, and adds meaningful mass.
Protecting the Attic During the Work
Tear off day is hard on attics. Old nails, granules, and splinters fall through gaps in plank decking. Replacing rotted sections from above can compress loose fill insulation underneath, and compressed insulation blocks less sound and less heat.
Ask the crew how they handle this. Good practice includes walking the attic before work starts, protecting insulation near any planned deck replacement, and checking afterward for low spots or debris that needs raking level. If insulation was blown in as part of a sound program, it may be worth having it topped up rather than simply patched.
Photos help, too. A quick set of pictures showing the vent baffles, insulation depth, and any sealed fixtures before the job begins gives everyone a reference point for putting things back the way they were.
A new roof should make a home drier, tighter, and more comfortable. With a little foresight, it can also keep the planes overhead sounding far away, which for many Richfield households is half the reason they love living there.