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Rev-A-Shelf door storage is a wood cabinet door rack made for sink base organization on the back of a cabinet door. This Rev-A-Shelf 4SBSU Series unit is a natural maple sink base door storage rack sized at 16-1/2 inches wide by 18-1/2 inches high. The product is sold as each and is identified as model RS4SBSU-21 in the RS4SBSU series. For buyers searching rev a shelf or revashelf storage parts, this product is a door-mounted storage option for kitchen and bath cabinet applications. The included package information states that each rack includes built-in 5 inch adjustable mounting brackets and four screws per rack, which helps installers plan the door-mount setup before ordering.
Key specs to confirm: This maple door storage rack is listed at 16-1/2 inches wide and 18-1/2 inches high, so the first step is to measure the usable flat area on the back of your sink base door. Confirm that hinges, door frames, plumbing lines, and any interior trays or shelves will not interfere with the rack after installation. Because this is a door-mounted product, buyers should also verify door construction, door thickness, and mounting surface condition before drilling. Load details, compliance information, and any specific installation limits are not provided in the verified data and should be confirmed with the manufacturer or technical documentation.
What's included: Each Rev-A-Shelf 4SBSU Series rack includes built-in 5 inch adjustable mounting brackets and four screws per rack. The product is sold as each.
What to verify before ordering: Check your cabinet door opening area, usable door back dimensions, hinge clearance, sink plumbing clearance, and whether RS4SBSU-21 is the right size versus RS4SBSU-18 or RS4SBSU-15 for your cabinet layout.
A sink base cabinet often has open door space that goes unused because the cabinet interior is interrupted by plumbing. A sink base door storage rack helps turn that door area into a practical storage zone for items you want close at hand. In a kitchen, that can mean keeping cleaning supplies, sponges, or small bottles on the door instead of loose under the sink. In a bath cabinet, the same door-mounted format can help organize compact items where shelf depth is limited.
This Rev-A-Shelf sink base door storage model is part of the 4SBSU Series and uses natural maple construction. Buyers who want a wood cabinet accessory instead of a wire rack often look for that material match when finishing a cabinet interior. The listed dimensions of 16-1/2 inches wide and 18-1/2 inches high give installers a starting point for checking fit on the door itself. Because sink base doors can vary by frame width, hinge placement, and interior obstructions, measuring the flat mounting area is the key step before purchase.
The included built-in 5 inch adjustable mounting brackets matter in real installation work because door backs are not always identical from one cabinet to the next. Adjustable mounting helps with layout and alignment during install. The included four screws per rack also clarify what basic hardware comes with the unit. If you are comparing RS4SBSU-21 with RS4SBSU-18 or RS4SBSU-15, the main decision is not appearance but size and fit. Buyers should choose the version that matches the usable door area and does not conflict with hinges, plumbing, or other accessories.
For trade professionals and serious DIY buyers, this type of cabinet door rack is most useful when the goal is better access without giving up cabinet floor space. Since the verified data does not include door thickness requirements, load limits, or detailed installation constraints, those points should be confirmed before final selection. Follow manufacturer installation guidance and local building requirements where applicable.
When buyers compare a cabinet door rack, the most useful differences are usually material, mounting method, included hardware, and size. This Rev-A-Shelf door storage product gives clear verified information in those areas. It is a natural maple wood rack, it is designed for door storage use, and it includes built-in 5 inch adjustable mounting brackets plus four screws per rack. Those details help buyers understand what arrives in the carton and what kind of install they are planning.
Another useful comparison point is whether the rack is intended for a sink base application or for a general cabinet interior. This product is specifically described as sink base door storage, which makes it relevant for cabinets where plumbing reduces interior storage options. That application focus can be more important than broad category labels when you are trying to organize a tight under-sink space.
Brand consistency also matters when matching accessories across a project. Rev-A-Shelf is the verified brand on this product, so buyers already using rev a shelf or revashelf cabinet accessories may prefer to stay within the same product family for a more consistent look and install approach. For model selection, the RS4SBSU series references such as RS4SBSU-21, RS4SBSU-18, and RS4SBSU-15 are helpful as search terms, but the final choice should be based on measured fit. If you need exact mounting limitations, weight guidance, or door preparation details, confirm those points with current manufacturer documentation before ordering.
Rev-A-Shelf sink base door storage is described for sink base cabinet door use in kitchen and bath applications.
The Rev-A-Shelf 4SBSU-21 rack is listed at 16-1/2 inches wide and 18-1/2 inches high.
This cabinet door rack fit depends on your usable door space, hinge clearance, and plumbing layout, so measure before ordering.
The Rev-A-Shelf rack includes built-in 5 inch adjustable mounting brackets and four screws per rack.
This Rev-A-Shelf door storage unit is a natural maple wood rack.
RS4SBSU series selection should be based on measured door area and clearance, because verified fit details beyond this model's size are not provided here.
This product is categorized for kitchen and bath cabinet accessories, so bath cabinet use may be appropriate if the door size and clearances work.
Door thickness should be verified before installation because the verified data does not list a required thickness range.
Load ratings and compliance details are not provided in the verified data and should be confirmed with the manufacturer. Follow manufacturer installation guidance and local building requirements where applicable.
Rev-A-Shelf sink base door storage is a straightforward choice when you need a natural maple cabinet door rack for the back of a sink base door. Before purchase, confirm the 16-1/2 inch width, 18-1/2 inch height, door clearance, and any plumbing or hinge interference. Each rack is sold individually and includes built-in 5 inch adjustable mounting brackets plus four screws per rack. If you are comparing sizes in the same series, verify whether RS4SBSU-21 is the right fit for your cabinet before ordering.
Buyers searching rev a shelf cabinet organization often need a door-mounted rack that uses space efficiently without taking up the cabinet floor. This Rev-A-Shelf 4SBSU Series product is intended for that type of sink base application. Measure carefully, confirm mounting space, and review current technical documentation if you need exact installation limits or additional fit data.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  RS4SBSU-18 Mfr# 4SBSU-18 | Rev-A-Shelf 4SBSU Series Door Storage Natural Maple 13-1/2"Wx18-1/2"H, - 4SBSU-18 | ||||
Sold in: 1 Each |  RS4SBSU-15 Mfr# 4SBSU-15 | Rev-A-Shelf 4SBSU Series Door Storage Natural Maple 10-1/2"Wx18-1/2"H, - 4SBSU-15 |
