Technical - Anyone ever used mass loaded vinyl under the carpet

[ATTACH] I finished the 55 flooring this weekend, covering everything with Kilmat. I was reading online about a stuff called "mass loaded vinyl". I

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FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

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Technical - Anyone ever used mass loaded vinyl under the carpet

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Technical - Anyone ever used mass loaded vinyl under the carpet

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