This fiber-free acoustic duct liner is an acoustical and thermal insulation for use in residential and commercial ductwork, says the company. The lightweight material is composed of seven layers: foil ...
DENVER--(BUSINESS WIRE)-- Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, announced the release of VVSD (very, very small diameter) Spiracoustic Plus® ...
Fiber-free duct liner provides acoustical and thermal insulation for residential and commercial ductwork. The material is com-posed of seven layers: foil, polyethylene, bubble, polyethylene, bubble, ...
DENVER — Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, announced the release of VVSD (very, very small diameter) Spiracoustic Plus ® spiral duct liner.
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