The final step in sound proofing is the floor insulation.

在合理的检验的最后一步是地板绝缘材料。

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Ground floor insulation mortar; Crumb rubber; Cenospheres; Preparation; Acoustic insulation performance;

楼地面保温砂浆； 废橡胶粉； 漂珠； 配制； 隔声性能；

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ASTM E970 Standard Test Method for Critical Radiant Flux of Exposed Attic Floor Insulation Using a Radiant Heat Energy Source.

ASTM E970使用辐射热能源评定暴露的阁楼地板绝缘的临界辐射通量的试验方法。

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Toyota says it went to great lengths to cut vibrations and engine and wind noise by adding insulation in the floor and sound-deadening glass in the windshield.

WSJ: Hot Wheels: Toyota to replace aging Highlander SUV

The 12, 700-square-foot Energy Star-certified house was crafted from low-toxic materials, withstood air tightness tests on the insulation, and has a water furnace geothermal system that provides hot water, radiant floor heat and air conditioning.

FORBES: Off-The-Grid Mansions