The internet is full of egg-carton myths. We measure what actually lowers the noise — then show you the fixes that disappear into a modern home.
Airborne hallway noise through an apartment door — untreated vs. fully sealed · illustrative
Structure-borne noise from the unit overhead.
Sound leaking through glass, frames, and gaps.
Hard surfaces bouncing sound back at you.
Sealing a noisy door instead? Start with the 5-step door guide →
Every guide on this site comes back to these. Skip the gimmicks; this is the physics of a quieter room.
Latest guideYou are almost certainly not stomping. Ordinary walking is audible through most apartment floors because of how they were built, and the three fixes that help most are free or close to it. Here is the order to do them in.
Most people searching this are not trying to get quieter. They are trying to stop being the problem for the apartment below. That changes which product helps, and makes the rating printed on most floor mats irrelevant.
Every mat in this category was built for drummers, and every number printed on the box measures absorption, not impact isolation. Here is what a felt tile can and cannot do for the neighbour below, and how to pick one anyway.
A window AC is a hole in your wall with a machine in it. The street noise comes through the gap, not through the machine, and the accordion side panels that shipped in the box are the leakiest part of the whole installation.
An old window fails acoustically in five or six separate ways, and each one has a different fix at a wildly different price. Diagnose first, then work in order of decibels per dollar: seal, de-rattle, add mass, treat the room.
Somewhat, and much less than the brochure implies. The half-inch of air sealed inside a thermal double-glazed unit was sized by a heating engineer, not an acoustician, and the numbers show exactly where that costs you.
The real acoustic inserts — Indow, Magnetite, Climate Seal, CitiQuiet — are made to measure, sold direct, and priced in the hundreds per window. You cannot buy one on Amazon. Here is which is which, and how to build the renter-budget version if the real thing is out of reach.
Sleep responds to peaks, not averages. One bus at 3 a.m. wakes you in a room with a perfectly respectable average level, and that single fact changes the order of everything you should do to a street-facing bedroom.
Window film is about two thousandths of an inch of polyester, and blocking sound takes mass. Even the companies that sell film will tell you a noise-blocking film does not exist. Here is the honest verdict and where your money belongs instead.
A window plug is the highest-performing thing a renter can build for a noisy window, and it looks exactly like a board in your window. Here is how to measure it, what to build it from, and the one detail that decides whether it works at all.