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westes

Plastic Fixtures to Connect Two Facing Storage Shelves?

6 years ago
last modified: 6 years ago

In the web hosting business, when you connect two facing vertical racks of equipment, you connect these racks to each other by using a metal "ladder rack" (aka "cable runway"). These look like a tall ladder with rungs, and they are secured by metal hooks on either side. The photo below gives some rough idea of how these are used. These racks do much more than just give you a way to run cables. They add structural stability to the installation, by tying each piece of infrastructure together and making it hard for any one vertical rack to fall over.

I have a side yard used for storage. Since most of what I need to store are things like rocks, garden soil materials, etc, I do not need an enclosure for most of it. I could get by with plastic shelves like shown here. I have a permanent paver installation on either side of the side yard, so I have a firm level base on which I can set the shelves. But I need to secure the shelves to some solid structure otherwise they could fall over with a large load on them.

I am not keen on attaching a temporary storage shelf to the sidewall of the home, so I had the idea to use something analogous to a ladder rack. The two storage shelves would face each other, on either side of the walking path on the side yard. I would need some kind of spacer to attach to the top of each shelf and give the rack extra height. Then I would need a plastic equivalent of the metal ladder rack that I could tie into the spacers and then stretch across the walkway. The rack would be above the walkway, spanning from the sidewall of the home to the fence. Does anyone make structural plastic equipment that could be used for the spacer and ladder rack in this case?

Each shelf on the storage rack is rated to 150 pounds, and each rack is rated to 750 pounds. If I could find a way to just tie these storage shelves into each other while facing each other, the plastic "ladder rack" would not be load bearing and would ensure that the storage shelf on one side is supported on its backside by the fence and on the other side by the sidewall of the home.

I guess another alternative would be to create a kind of pergola in the side yard and attach the storage shelves to the side beams of the pergola. That's an extra expense I would rather avoid if there is a cheap and structurally sound solution to this issue.




Comments (11)

  • PRO
    6 years ago

    Plastic shelves to store rocks?? Over a long period of time? Outdoors?

    westes Zone 9b California SF Bay thanked Mark Bischak, Architect
  • 6 years ago

    @Mark Bischak, Architect Examples of rocks would be 50-pound bags of poultry grit and 50-pound bags of pumice. I use both in various soil mixes. Other examples would be bags of lava rock, bags of base rock, and bags of decorative stone. I always keep a few of each around for various uses.

  • 6 years ago

    Are those plastic shelves rated for UV light? They might degrade pretty quickly in the sun.

    westes Zone 9b California SF Bay thanked greg_2015
  • 6 years ago

    IKEA has some galvanized metal outdoor shelves that might hold up better, but you did say this is temporary and you're in a pretty mild climate.


    Can you just put two units back-to-back to form a 36" deep unit? Tie them together with zip ties. Put it perpendicular to the house so you can access from either side?

    westes Zone 9b California SF Bay thanked Fori
  • 6 years ago
    last modified: 6 years ago

    @live_wire_oak Even if I had to replace the shelves once every year, it is still 10% the price of building an enclosure with doors. Those shelves cost $40, and a similar-sized enclosure that could enclose those shelves costs $400 and higher.

    If you had four of these racks tied together in a 2x2 configuration, it would be virtually impossible for a complete structural failure in one of those racks to bring down the entire assembly or to have the rack fall inwards to the walking path. The basic configuration would be:

    * two rack side by side on each side of the pathway, tied together on the main structural supports in multiple places

    * each rack on one side faces another rack, with the walking path between them

    * each facing rack has some infrastructure to connect them at the top, similar to what I describe in the original post

    Any one component in that configuration can fail completely without the entire assembly failing.

  • 6 years ago
    last modified: 6 years ago

    @Fori The paver platform on the fence and home sidewall are each about 24" wide. Each of those 24" sections is up against either the fence or the sidewall of the home, with the space between them being filled with decomposed granite. So there is no room for back to back racks. Putting them perpendicular would block the path. It is a narrow side yard.

  • 6 years ago
    last modified: 6 years ago

    Occasionally in a thread that I start, I stop receiving any notifications of new posts, and additionally I lose the ability to reference a user in the thread by starting to type "@...". Normally when you type @ there is an automatic appearing drop-down list that matches the substring you type to the list of users participating in the thread. Does anyone know what causes that to happen (other than Houzz being incredibly buggy)? Both of these things have happened to me in this thread.

  • 6 years ago

    If it's money you're trying to save, just check out Craigslist for shelves or old workbenches, or a shed. To me, it looks like someone's going to get hurt when they walk next to that flimsy plastic shelving with very heavy stuff on it.

  • 6 years ago

    Houzz is incredibly buggy. :)


    It is not a redneck hillbilly thing to store gardening supplies outdoors. This is neither junk nor trash. It is actually a common thing in the SF Bay area to store potting soil and gardening rocks outdoors. I had no idea that was a regional thing.

    westes Zone 9b California SF Bay thanked Fori