Use this kit plus the installation kit that came with your BedRug or BedTred application to install your bed liner on top of a bed that has an existing spray-on liner. It includes (14) 1 x 2 hook-and-loop fasteners designed to stick to a spray-on bed liner. This installation kit also provides an adhesive promoter that you apply to the surface of the bed to help the hook-and-loop fasteners stick to the surface.
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BedRug BRZSPRAYON Spray In Liner Adhesion Promoter; For Use w/BedRug Liner Kit;