Native watercraft sidekickSpray the entire ceiling and pipes with oil- or shellac-based primer, using an airless sprayer; water-based primer is an option for PVC pipes. Also know, how do you hide a pipe? 12 Creative Ways to Hide Plumbing Pipes. Make the Plumbing Pipes Stand Out (or Blend in) Build Shelving to Hide the Pipes. Use Decorative Pipe Covers. Sink Skirts ... Wattpad big babyPipe Structures. We're amazed by all of the unique structures our customers have built using our heavy-duty pipe and fittings. We've seen everything from garden trellises to jungle gyms. With a few simple tools and some pipe fittings, you can build almost anything. Take a look at some of our favorite pipe structures below.