Top caps provide a clean finish to the top of a SlatWall panel assembly. They prevent dust and dirt from accumulating behind your SlatWall panels. , Trusscore SlatWall is a heavy-duty wall storage solution designed to organize your home, office, or workspace. SlatWall panels add storage capacity and organization when installed in any commercial or do-it-yourself space. SlatWall is easy-to-install and allows anyone to quickly improve the look and function of their room.