FlatTop 36" Sleeper Heavy Duty Truck HushMat Sound & Thermal Insulation. Treats the floor, roof, rear walls and sleeper sides with the #1 rated sound & thermal insulation material.

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Easy to install: Lightweight and flexible

• Superior Sound Deadening reduces road noise and engine vibrations and insulates the cab from outside noise.
• HushMat treated cab and sleeper Provides a quieter and more peaceful environment, reducing driver fatigue and stress.
• Maintains a comfortable temperature, improving overall driver and passenger comfort.
• Designed for efficient Thermal Insulation provides excellent temperature control keeping the cab and sleeper cooler in the summer and warmer in the winter.
• Lightweight and super flexible material is easy to form to uneven cab and sleeper surfaces preserves fuel efficiency.
• Manufactured with non-toxic materials providing you with a safe interior application.

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Information:

Reduce that aftermarket engine, exhaust drone, road noise, vibration and the noise that disrupts your ride and reduce the heat that comes from engine, headers, exhaust and catalytic converter with one USA Made material, light weight HushMat Ultra.

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Application Summary:

Year	Make/Model
1997-2011	Kenworth T2000
1986-2008	Kenworth T600A
2007-2020	Kenworth T660
2011-2016	Kenworth T700
1981-2023	Kenworth W900
1981-1988	Peterbilt 359
1986-2007	Peterbilt 379
2008-2023	Peterbilt 389
2013-2023	Peterbilt 579
2011-2018	Peterbilt 587
1981-2002	Western Star 4900
2016-2022	Western Star 5700XE