Flatline Barriers – The New Leader In Automotive Thermal Acoustic Insulation – “Where Heat & Sound Meet Their Maker”


Brand History Into TextGround Up carries the full line of Flatline Barrier products for a range of applications covering Camaro, Chevelle, El Camino, G-Body, & Nova. Started in 2018 by RPUI, Flatline Barrier is the New Leader In Automotive Thermal Acoustic Insulation! Flatline Barrier offers you the lightest Acoustic Insulation available on the market without sacrificing any of the traditional sound and heat control properties.

“Flatline Barriers. Remember The Name. It’s That Quiet”

Flatline Barrier products are made with the DIY’er in mind offering Pre-Cut exact fit kits as well as universal options. Kit types include full kits, floor kits, door kits, trunk kits, cab wall kits, and roof kits to cover all the bases. Their designs were created by in-house automotive enthusiasts with the goal of creating an easy to install, logical, and highly effective kits. All of this combined provides the end user with an extremely good value. So whether your trying to quiet the interior of a pro-street monster or just want to avoid some excess heat in the summer Ground Up SS396.com has you covered on the Flatline Barrier products you need at the best price around!


Click on your car below to shop our selection of Flatline Barriers parts!

Camaro

Chevelle

Nova

Products Coming Soon From Flatline:


Why Choose Flatline Barriers for your Acoustic Insulation?

New exact fit complete vehicle sound barrier insulation kit for your restoration project. These insulation kits provide the sound and thermal solution you have been looking for!

Your vehicle will remain cooler as the barrier helps prevent the transfer of heat to the interior of the vehicle. Adhesive-backed for easy installation. The All-in-One thermal acoustic barrier kits include; the insulation for the doors, floor, & roof.

Tremendous value, ultra-lightweight, easy to install and premium heat and sound control properties.

The only kit for you.


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