With this staircase your cat can easily reach the window or the cellar exit. The cat ladder can easily be extended up to 4m. It is connected by 8 screws on the underside. The article is supplied with pre-drilled connecting parts. We recommend to impregnate the stairs weatherproof for a longer durability. For stabilization, the staircase can be provided with a support or fastened to the wall with an angle.