How to build a lightweight RV cabinet?

In this blog post, we will answer the question: “How to build a lightweight RV cabinet?” We will discuss the simple steps to build a lightweight RV cabinet. We will discuss the essential materials and steps to assemble the outer frame and make the shelves. At the end of this post, you will learn to build a lightweight RV cabinet in less than two days.

How to build a lightweight RV cabinet?

To build a lightweight RV cabinet, follow the steps described below.

  • Determine the location
  • Select the right materials
  • Design the cabinet
  • Cut the components
  • Assemble the outer frame
  • Add shelves and dividers
  • Attach the doors and handles
  • Stain or paint the cabinet
  • Mount the cabinet

Determine the location

  • First, you need to determine the location of the RV lightweight cabinet. Once you have selected the location, you can choose the materials and develop a design for the cabinet.
  • Some RV cabinets are fixed on the walls, while some are placed on the floor. Determine the location and the available space where you plan on building the RV cabinets. RV cabinets are built-in kitchens, while some cabinets are built-in bedrooms.
  • Make a note of the dimensions with the help of a measuring tape. It is also essential to understand the type of lightweight RV cabinet you plan on building.

Select the right materials

  • When it comes to building lightweight RV cabinets, plenty of options are available. One of the most common materials is plywood. However, there are options like lightweight composite panels and aluminum honeycomb panels. Be sure to compare these materials and check the weight before selecting one.
  • Purchase enough hinges for the cabinet doors and get door handles. Gather the essential tools that are required for this project. You will be required to have a saw, screwdriver, drill, measuring tape, level, screws, clamps, etc.

Design the cabinet

  • Now that you have the materials, it’s time to design the cabinet. Based on the dimensions of the RV cabinet, you can create a rough sketch of the design.
  • The number of shelves for the cabinet depends on your storage needs. It is essential to draw the shelves or partitions. Some RV lightweight cabinets have both partitions and shelves together.
  • Consider the length, width, and height of the cabinet. Draw the number of shelves or partitions and consider the weight limitations.

Cut the components

  • Next, you must cut the cabinet components to the right dimensions before assembling them. Cut the selected lightweight material with the help of a saw and the measurements.
  • Cut the boards or plywood for the shelves and dividers. Start by cutting the top and bottom of the RV lightweight cabinet.
  • Next, cut the sides and ensure that they are the right fit for the other panels. Cut the back part of the cabinet, which will be secured to the RV wall.
  • Cut out the doors for the cabinet as per the required measurement. The doors can also be cut later after installing the cabinet to the wall.
  • Ensure that the pieces are cut perfectly to the measurements and ensure they have clean cuts.

Assemble the outer frame

  • Now that you have all the materials, it’s time to assemble the outer frame. Attach the side panels to the bottom piece and attach the top panel at the end.
  • Next, attach the back part of the cabinet by covering one side entirely. You will have that open on one side according to your cabinet dimensions.
  • Add a couple of brackets at the corners to secure the outer frame. This will provide better stability to the frame.

Add shelves and dividers

  • The next step is a crucial one since you need to fix the shelves and dividers on the inside. This step requires precision. Hence, you must measure and mark the areas before fixing the shelves or dividers. Use a level to ensure that the shelves and walls are aligned.
  • Fix the shelves inside the cabinet by attaching them with screws on the top and bottom panels. Mark the areas to fix the screws and ensure they are straight and correctly secured.

Attach the doors and handles

  • Next, you will need to attach the doors and handles. Now that you have a cabinet cutting the doors based on size is easy.
  • Note that it is always better to fix the handles on the door before fixing the doors to the cabinets. Hold the door against the cabinet to check if the measurements are right. Make the necessary alterations if there are any.
  • Fix the handle towards the door’s end and ensure it is secured correctly. Leave some room to open and close the door. The easiest way is to fix a single door instead of a double door. However, if the cabinet is large, you must build two doors.
  • Add door magnets to the cabinet frame and the door. This will keep the door locked and secured while traveling.
  • Next, with the help of hinges, you must secure the door to the cabinet. Use a minimum of three hinges or more, depending on the cabinet size. Use screws to secure the hinges. Add the hinges first to the door and then to the cabinet frame. Make sure that the door magnets are aligned properly.

Stain or paint the cabinet

  • Sand down the rough edges or surfaces of the cabinets with the help of sandpaper.
  • It’s essential to give your cabinet a stain or paint it with a color of your choice. Staining the cabinet is one of the best ideas, especially if you choose wood. However, there are no restrictions, and feel free to be creative. You can also paint the cabinet to match the RV walls.
  • Be sure to stain or paint the cabinet inside before working on the exterior part. Double-check whether the RV cabinet is sturdy enough to withstand the necessary weight.

Mount the cabinet

  • Next, you must mount the cabinet to the wall of the RV. This depends on the area where you plan to install the cabinet. Use long screws and mounting hardware to secure the cabinet to the RV wall. Use mounting brackets at the bottom of the RV cabinet to provide additional support.
  • Reinforce the cabinet by adding supports such as internal braces and corner braces. Do not add any heavy elements since they can add to the cabinet’s weight. Remember, keeping the RV cabinet as light as possible is essential.
  • Finally, you must test the cabinet and ensure its stability and weight-bearing capacity. Test the shelves of the lightweight RV cabinet by placing some objects or items.

Those were a few simple steps to build a lightweight RV cabinet. Building a lightweight RV cabinet is an easy process, but it requires carpentry skills. Contact a professional if you cannot work on this project. The most important part is to prioritize lightweight materials for constriction.


In this blog post, we have answered the question: “How to build a lightweight RV cabinet?” We have discussed the simple steps to build a lightweight RV cabinet. We discussed the essential materials, steps to assemble the outer frame, and building the shelves.

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