

I’ve covered the bottom with clear Contact Paper . Note the two bolts .

This prevents the shelf from sliding around, and also makes it removable if needed.
A step ladder, which is what I normally use, does not touch the wall, so there is no worry of marks or dents. But in this room, with it’s high ceilings and awkwardly placed tub, it was necessary to use my extension ladder, which works by leaning against the wall.
In the first photo, you see how a towel is used to protect the wall and woodwork from the ladder. In the second shot, the tub has been well-padded, before placing the ladder inside (the only way to access the walls above it).
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