{"id":7701,"date":"2026-03-03T15:28:42","date_gmt":"2026-03-03T07:28:42","guid":{"rendered":"https:\/\/meettfit.com\/?p=7701"},"modified":"2026-03-04T18:13:05","modified_gmt":"2026-03-04T10:13:05","slug":"what-happens-when-acoustic-underlay-is-over-compressed","status":"publish","type":"post","link":"https:\/\/meettfit.com\/ar\/%d8%b7%d8%a8%d9%82%d8%a9-%d8%b3%d9%81%d9%84%d9%8a%d8%a9-%d8%b5%d9%88%d8%aa%d9%8a%d8%a9\/%d9%85%d8%a7-%d9%8a%d8%ad%d8%af%d8%ab-%d8%b9%d9%86%d8%af%d9%85%d8%a7-%d8%aa%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b7%d8%a8%d9%82%d8%a9-%d8%a7%d9%84%d8%b3%d9%81%d9%84%d9%8a%d8%a9-%d8%a7%d9%84%d8%b5%d9%88\/","title":{"rendered":"\u0645\u0627\u0630\u0627 \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0635\u0648\u062a\u064a\u0629 \u0645\u0636\u063a\u0648\u0637\u0629 \u0623\u0643\u062b\u0631 \u0645\u0646 \u0627\u0644\u0644\u0627\u0632\u0645"},"content":{"rendered":"

When acoustic rubber underlay is over-compressed, it stops acting as a decoupler and starts acting as a sound bridge. The air pockets within the rubber collapse, which eliminates the material’s ability to absorb vibrations. This leads to a massive drop in the Impact Insulation Class (IIC) rating, making the floor nearly as loud as if no underlay were installed.<\/p>\n

In the field, over-compression is often the "silent killer" of a project’s acoustic performance. Most people assume that squeezing a rubber pad tightly between the subfloor and the finish floor creates a more stable surface, but the opposite is true for sound. A rubber underlay is engineered to function as a mechanical spring. For this spring to work, it needs "deflection room"\u2014space to compress and rebound when someone walks on it. When you exceed the load limit, the rubber reaches a state of maximum density. At this point, kinetic energy from a footstep doesn’t get converted into heat through the rubber’s polymer chains; instead, it travels instantly into the joists and the ceiling below. This is a physical transition from a damped system to a rigid one. If the rubber is squashed flat before the first person even walks on the floor, the acoustic engineering has effectively been neutralized.<\/p>\n

\"\u0645\u062e\u0637\u0637<\/p>\n

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\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a<\/th>\n\u0627\u0644\u062f\u0648\u0631 \u0627\u0644\u0639\u0644\u0645\u064a<\/th>\n\u0646\u062a\u064a\u062c\u0629 \u0648\u0627\u0642\u0639\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n
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The standard "Mass-Spring-Mass" system relies entirely on that middle layer staying flexible. In a typical installation, the subfloor is one mass, the finish floor is the second mass, and the rubber pad is the spring. If that spring is too soft for the weight of the floor, it stays permanently crushed. If it is too hard, it doesn’t move at all. I have seen many installers choose a soft, cheap rubber for a heavy hardwood floor, thinking it will feel "cushy." Within a month, the weight of the wood and the furniture flattens the cells. The floor then feels hard, and the noise levels downstairs skyrocket. The goal is to select a rubber density that compresses by only about 10% to 15% under the static load of the floor. This leaves enough "travel" in the material to handle the dynamic load of people walking or moving furniture without hitting the floor’s structural limit.<\/p>\n

\"\u0631\u0633\u0645<\/p>\n

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Over-compression is the point where a material is loaded beyond its elastic limit, causing the internal air cells to fail. This is caused by excessive static weight from heavy flooring, point-loading from appliances, or mechanical bridging where screws and nails bypass the underlay’s damping properties.<\/strong><\/p>\n

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\u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/td>\n\u0627\u0646\u0647\u064a\u0627\u0631 \u0627\u0644\u062e\u0644\u0627\u064a\u0627 \u0627\u0644\u0645\u0648\u0636\u0639\u064a<\/td>\n\u062a\u0633\u0631\u0628\u0627\u062a \u0635\u0648\u062a\u064a\u0629 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

I once inspected a site where the contractor used 2mm recycled rubber under a heavy slate tile. The weight of the slate alone was enough to push the rubber past its yield point. When rubber hits this point, it experiences "creep"\u2014a permanent deformation that doesn’t go away even if you remove the weight. Another huge mistake is "over-screwing." If an installer drives a screw through the hardwood, through the rubber, and deep into the plywood subfloor, that screw becomes a highway for sound. It doesn’t matter how good the rubber is if you’ve built 500 tiny metal bridges across it. We call this a "short-circuit." You also have to watch out for heavy items like kitchen islands or pianos. Without a load-distribution plate, these items create "dead zones" in the rubber where sound leaks through like water through a crack in a dam.<\/p>\n

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\u062e\u0633\u0627\u0631\u0629 \u0627\u0644\u0636\u0645\u0627\u0646<\/td>\n\u0639\u062f\u0645 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/td>\n\u0627\u0631\u062a\u0641\u0627\u0639 \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0625\u0635\u0644\u0627\u062d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

When the rubber is crushed, you lose the "air cushion" that blocks high-frequency noise. This is why you start hearing the sharp "clack" of high heels or dropped keys from the floor above. But it isn’t just a noise issue; it is a structural one. If the underlay is over-compressed in some areas but not others, the floor becomes uneven. For a tile floor, this is a death sentence. Tile needs a stable, flat base. If the rubber underneath is failing and shifting, the grout lines will crack, and the tiles will eventually delaminate. In many cases, the floor feels "mushy" in high-traffic areas where the rubber has been fatigued. Most manufacturers will walk away from a claim if they see the underlay was not rated for the weight of the top floor. It is a costly mistake that usually requires a full teardown to fix correctly.<\/p>\n

\"\u0641\u0648\u0627\u0635\u0644<\/p>\n

\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0627\u0639\u062f\u0643 \u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u0649 \u0647\u0630\u0647 \u0627\u0644\u0623\u0639\u0631\u0627\u0636 \u0645\u0628\u0643\u0631\u064b\u0627 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0646\u062a \u0628\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u062f\u062e\u0644 \u062c\u0631\u0627\u062d\u064a \u0643\u0628\u064a\u0631 \u0623\u0648 \u0631\u0642\u0639\u0629 \u0628\u0633\u064a\u0637\u0629.<\/p>\n

\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0643 \u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u0649 \u0623\u0639\u0631\u0627\u0636 \u0641\u0634\u0644 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629\u061f<\/h2>\n

\u062a\u0628\u062f\u0648 \u0623\u0635\u0648\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0641\u0627\u0634\u0644\u0629 \u0645\u062b\u0644 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \"\u0627\u0644\u062d\u0627\u062f\u0629\" \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0635\u062f\u0645\u0627\u062a \u0627\u0644\u0645\u0643\u062a\u0648\u0645\u0629. \u0628\u0635\u0631\u064a\u064b\u0627\u060c \u0642\u062f \u062a\u0644\u0627\u062d\u0638 \u0623\u0646 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u062a\u063a\u0631\u0642 \u0628\u0639\u064a\u062f\u064b\u0627 \u0639\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0623\u0648 \u0638\u0647\u0648\u0631 \"\u0628\u0642\u0639 \u0646\u0627\u0639\u0645\u0629\". \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u062a\u0643\u062a\u064a\u0643\u064a\u0629\u060c \u0633\u062a\u0634\u0639\u0631 \u0628\u0623\u0646 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0635\u0644\u0628\u0629 \u0648\u062a\u0641\u062a\u0642\u0631 \u0625\u0644\u0649 \u0627\u0644\u0645\u0631\u0648\u0646\u0629 \u0627\u0644\u062e\u0641\u064a\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0637\u0627\u0637 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629.<\/strong><\/p>\n

\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062f\u0642\u064a\u0642 \u0627\u0644\u062a\u0634\u062e\u064a\u0635\u064a<\/h3>\n\n\n\n\n\n\n\n
\u0627\u0644\u0639\u064e\u0631\u064e\u0636<\/th>\n\u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0629<\/th>\n\u0627\u0644\u0645\u0639\u0646\u0649<\/th>\n<\/tr>\n<\/thead>\n
\u0635\u0648\u062a\u064a<\/td>\n\"\u0646\u0642\u0631\u0627\u062a\" \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0646\u0628\u0631\u0629<\/td>\n\u0627\u0644\u062a\u062e\u0645\u064a\u062f \u0627\u0644\u0635\u0641\u0631\u064a<\/td>\n<\/tr>\n
\u0645\u0631\u0626\u064a<\/td>\n\u062b\u063a\u0631\u0627\u062a \u0641\u064a \u0645\u062d\u064a\u0637 \u0627\u0644\u0623\u0631\u0636\u064a\u0629<\/td>\n\u0627\u0644\u063a\u0631\u0642 \u0627\u0644\u062f\u0627\u0626\u0645<\/td>\n<\/tr>\n
\u0627\u0644\u0628\u062f\u0646\u064a\u0629<\/td>\n\u062a\u0628\u062f\u0648 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \"\u0645\u064a\u062a\u0629\" \u0623\u0648 \u0635\u0644\u0628\u0629<\/td>\n\u0627\u0644\u0645\u0648\u0627\u062f \u0641\u064a \u0627\u0644\u0642\u0627\u0639<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0642\u0641 \u0641\u064a \u0627\u0644\u063a\u0631\u0641\u0629 \u0641\u064a \u0627\u0644\u0623\u0633\u0641\u0644 \u0648\u064a\u0645\u0643\u0646\u0643 \u0633\u0645\u0627\u0639 \u0634\u062e\u0635 \u0645\u0627 \u064a\u0645\u0634\u064a \u0641\u064a \u0627\u0644\u0637\u0627\u0628\u0642 \u0627\u0644\u0639\u0644\u0648\u064a \u0643\u0645\u0627 \u0644\u0648 \u0643\u0627\u0646 \u0641\u064a \u0627\u0644\u063a\u0631\u0641\u0629 \u0645\u0639\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0642\u062f \u0627\u0646\u062a\u0647\u062a. \u064a\u0642\u0648\u0645 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0633\u0644\u064a\u0645 \u0628\u062a\u0635\u0641\u064a\u0629 \"\u062d\u0627\u0641\u0629\" \u0627\u0644\u0635\u0648\u062a\u060c \u062a\u0627\u0631\u0643\u0627\u064b \u0641\u0642\u0637 \u0642\u0639\u0642\u0639\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0631\u062f\u062f. \u0639\u0644\u0627\u0645\u0629 \u0623\u062e\u0631\u0649 \u0647\u064a \"\u0627\u0644\u062d\u0648\u0636 \u0627\u0644\u0645\u062d\u064a\u0637\". \u0625\u0630\u0627 \u0631\u0623\u064a\u062a \u0641\u062c\u0648\u0629 2 \u0645\u0645 \u0623\u0648 3 \u0645\u0645 \u062a\u0646\u0641\u062a\u062d \u0628\u064a\u0646 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0648\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0633\u0641\u0644\u064a\u0629\u060c \u0641\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0645\u0637\u0627\u0637 \u064a\u0641\u0642\u062f \u0633\u0645\u0643\u0647. \u0623\u0642\u0648\u0644 \u0644\u0644\u0646\u0627\u0633 \u0623\u064a\u0636\u0627\u064b \u0623\u0646 \u064a\u0646\u062a\u0628\u0647\u0648\u0627 \u0644\u0634\u0639\u0648\u0631 \u0623\u0631\u062c\u0644\u0647\u0645. \u0641\u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0627\u0637\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0644\u0629 \u062a\u0643\u0648\u0646 \u0623\u0633\u0647\u0644 \u0628\u0643\u062b\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0639\u0644\u0649 \u0645\u062f\u0649 \u0641\u062a\u0631\u0627\u062a \u0637\u0648\u064a\u0644\u0629. \u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0634\u0639\u0631 \u0628\u0623\u0646 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0644\u0627 \u062a\u0631\u062d\u0645 \u0645\u062b\u0644 \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629\u060c \u0641\u0645\u0646 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u0637\u0627\u0637 \u0642\u062f \u0648\u0635\u0644 \u0625\u0644\u0649 \u0623\u0642\u0635\u0649 \u0636\u063a\u0637 \u0644\u0647 \u0648\u0644\u0645 \u064a\u0639\u062f \u064a\u0648\u0641\u0631 \u0623\u064a \"\u0639\u0637\u0627\u0621\". \u0648\u062a\u0639\u0646\u064a \u0647\u0630\u0647 \u0627\u0644\u0623\u0639\u0631\u0627\u0636 \u0639\u0627\u062f\u0629\u064b \u0623\u0646 \u0627\u0644\u0645\u0637\u0627\u0637 \u0642\u062f \u0627\u0646\u062a\u0642\u0644 \u0645\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0631\u0648\u0646\u0629 \u0625\u0644\u0649 \u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u0644\u0627\u0633\u062a\u064a\u0643\u060c \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u0636\u0631\u0631 \u062f\u0627\u0626\u0645\u0627\u064b.<\/p>\n

\u0644\u0645\u0646\u0639 \u0630\u0644\u0643\u060c \u0639\u0644\u064a\u0643 \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0642\u0628\u0644 \u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0648\u0627\u062f \u0625\u0644\u0649 \u0645\u0648\u0642\u0639 \u0627\u0644\u0639\u0645\u0644.<\/p>\n

\u0643\u064a\u0641 \u062a\u062e\u062a\u0627\u0631 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0627\u0637\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062d\u0645\u0644\u061f<\/h2>\n

\u064a\u062a\u0637\u0644\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u0637\u0627\u0646\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0645\u0637\u0627\u0628\u0642\u0629 \u0635\u0644\u0627\u0628\u0629 \u0634\u0648\u0631 \u0648\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0645\u0637\u0627\u0637 \u0645\u0639 \"\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u064a\u062a\" \u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0627\u062a. \u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0637\u0627\u0637\u064b\u0627 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0648\u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0644\u0644\u0623\u0631\u0636\u064a\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0648\u0635\u0644\u0627\u062a\u060c \u0648\u062d\u0635\u0627\u0626\u0631 \u0623\u0643\u062b\u0631 \u0633\u0645\u0643\u064b\u0627 \u0648\u0645\u062a\u0648\u0633\u0637\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0644\u0644\u0623\u062e\u0634\u0627\u0628 \u0627\u0644\u0635\u0644\u0628\u0629 \u0623\u0648 \u0627\u0644\u0628\u0644\u0627\u0637 \u0644\u0644\u0633\u0645\u0627\u062d \u0628\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/strong><\/p>\n

\u0645\u062e\u0637\u0637 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f<\/h3>\n\n\n\n\n\n\n\n
\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0623\u0631\u0636\u064a\u0627\u062a<\/th>\n\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/th>\n\u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/th>\n<\/tr>\n<\/thead>\n
\u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0627\u0644\u0641\u0627\u062e\u0631 (LVP)<\/td>\n\u0645\u0637\u0627\u0637 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 2 \u0645\u0645<\/td>\n\u064a\u0645\u0646\u0639 \u0637\u0642\u0637\u0642\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644<\/td>\n<\/tr>\n
\u0627\u0644\u062e\u0634\u0628 \u0627\u0644\u0635\u0644\u0628 \/ \u0627\u0644\u0644\u0627\u0645\u064a\u0646\u064a\u062a<\/td>\n3mm – 5mm Rubber<\/td>\n\u064a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0635\u0648\u062a \u0648\u0627\u0644\u062b\u0628\u0627\u062a<\/td>\n<\/tr>\n
\u0627\u0644\u0628\u0644\u0627\u0637\/\u0627\u0644\u062d\u062c\u0631<\/td>\n\u062d\u0635\u064a\u0631\u0629 \u0645\u062a\u064a\u0646\u0629 6 \u0645\u0645 + 6 \u0645\u0645<\/td>\n\u064a\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0648\u0632\u0646 \u0627\u0644\u0633\u0627\u0643\u0646 \u0627\u0644\u0639\u0627\u0644\u064a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The biggest error is the "one size fits all" approach. You cannot use the same rubber pad for a floating laminate floor that you would use for a 3\/4-inch solid oak floor. The oak floor weighs significantly more and will crush a low-density pad instantly. You need to look at the "Load-Deflection Curve" on the tech sheet. This chart shows how many pounds per square inch (PSI) the rubber can handle before it loses its spring. For heavy tile, you need a high PSI rating and a higher Shore Hardness (usually 50-60). For lighter floors, a lower Shore Hardness (40-45) is better because it allows the lighter floor to actually move the "spring." If the rubber is too hard for a light floor, it won’t compress at all, and you’ll get a "drum" effect where the noise echoes. This calibration is even more critical when selecting \u0637\u0628\u0642\u0629 \u0633\u0641\u0644\u064a\u0629 \u0644\u0627\u0633\u062a\u0648\u062f\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u062a\u0633\u062c\u064a\u0644<\/a>\u062d\u064a\u062b \u0627\u0644\u062f\u0642\u0629 \u0641\u064a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a \u0647\u064a \u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629 \u0627\u0644\u0642\u0635\u0648\u0649.<\/p>\n

\"\u0631\u0633\u0645<\/p>\n

\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0628\u0627\u0644\u0641\u0639\u0644 \u0648\u0643\u0627\u0646\u062a \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0645\u0634\u0643\u0644\u0629\u060c \u0641\u0625\u0646 \u062e\u064a\u0627\u0631\u0627\u062a\u0643 \u0645\u062d\u062f\u0648\u062f\u0629 \u0644\u0644\u0623\u0633\u0641.<\/p>\n

\u0645\u0627 \u0647\u064a \u0623\u0641\u0636\u0644 \u062d\u0644\u0648\u0644 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0648\u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u062a\u062d\u062f\u064a\u062b\u064a\u061f<\/h2>\n

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\u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0643\u0627\u0645\u0644<\/td>\n100%<\/td>\n\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0648\u062d\u064a\u062f\u0629 \u0644\u0627\u0633\u062a\u0639\u0627\u062f\u0629 IIC<\/td>\n<\/tr>\n
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\u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u0639\u0632\u0644<\/td>\n60%<\/td>\n\u062a\u062d\u062a \u0645\u0643\u0628\u0631\u0627\u062a \u0627\u0644\u0635\u0648\u062a \u0623\u0648 \u0627\u0644\u0623\u062b\u0627\u062b \u0627\u0644\u062b\u0642\u064a\u0644<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

When a system fails, people usually want a quick fix. The reality is that once that rubber is squashed, it stays squashed. You can’t inject air back into it. If a client doesn’t want to rip up the floor, I suggest adding mass to the top. Thick rugs with heavy felt underlays can do about 30% of the work that the rubber pad was supposed to do. For specific "hot spots" like a heavy refrigerator or a washing machine, you can cut out the flooring and install dedicated vibration isolation mounts that sit directly on the subfloor. For future installs, always go with a "floating" system if possible. Gluing or nailing the floor down significantly increases the risk of over-compression because you are adding vertical pressure that the rubber wasn’t designed to handle 24\/7.<\/p>\n

\"\u0648\u0633\u0627\u062f\u0627\u062a<\/p>\n

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When acoustic rubber underlay is over-compressed, it stops acting as a decoupler and starts acting as a sound bridge. The air pockets within the rubber collapse, which eliminates the material’s ability to absorb vibrations. This leads to a massive drop in the Impact Insulation Class (IIC) rating, making the floor nearly as loud as if…<\/p>","protected":false},"author":4,"featured_media":7707,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-7701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acoustic-underlay"],"yoast_head":"\nWhat Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR<\/title>\n<meta name=\"description\" content=\"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. 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