
Plastic drawers are a convenient and affordable storage option for clothing, bathroom items, and other miscellaneous objects. However, they often suffer from durability issues, such as sagging due to weight, rubbing, and sticking. To reinforce plastic drawers and improve their functionality, there are several methods you can employ. This includes using reinforcing strips made of wood, metal, or plastic attached with screws or adhesive, reinforcing plates for the bottom of drawers, and lubricants to reduce friction and sticking. Additionally, you can use a heat gun or blow dryer to reshape sagging drawers and duct tape to stiffen the structure. Building custom drawer organizers from craft foam board and duct tape is another option for a more personalized storage solution.
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What You'll Learn

Use a heat gun or hair dryer to reshape the plastic
If your plastic drawers are sagging or bowed out, you can use a heat gun or hair dryer to reshape the plastic. This method can also be used to get a snug-fitting piece of wood at the bottom of the drawer, which will add strength to the entire unit.
Heat guns can be purchased for around $10-15 and are essentially more powerful versions of hair dryers. They can get very hot, very quickly, so it is important to keep the gun moving and to also move the drawer or plastic piece you are treating. This will prevent the plastic from catching fire and producing toxic smoke.
You can start with a hair dryer as these are more common household items, but they may not get hot enough to reshape the plastic. When using a hair dryer, treat it like you would when drying your hair—move it back and forth over the area you want to heat.
Once the plastic is warm, you can use a flat piece of wood or another similar object to push the plastic back into shape. If you are reshaping a plastic figure, you can hold it in the pose you want while it cools.
To cool the plastic down and lock in the new shape, you can quickly douse it with water.
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Reinforce corners with plastic or metal brackets
Reinforcing the corners of plastic drawers with plastic or metal brackets can provide additional support and stability. This method is particularly useful when the drawers are sagging in the middle, making them difficult to open and close.
To reinforce the corners with brackets, you can follow these steps:
Step 1: Choose the Appropriate Brackets
Select plastic or metal brackets that are specifically designed for reinforcing corners. These brackets are typically L-shaped or triangular and come in various sizes and colours. You can find them at hardware stores or online. Ensure the brackets are long enough to provide adequate support and made of durable material.
Step 2: Measure and Mark the Drawer Corners
Using a measuring tape, determine the dimensions of your drawer corners. Mark the spots where you want to place the brackets. It is essential to ensure that the brackets will be attached to sturdy areas of the drawer.
Step 3: Attach the Brackets
You can attach the brackets to the inside corners of the drawers using screws or a strong adhesive. If using screws, pre-drill pilot holes to avoid cracking the plastic. Follow the instructions on the adhesive packaging if you're using it, and ensure proper ventilation.
Step 4: Test and Adjust
Once the brackets are securely attached, test the stability of the drawers by placing a reasonable amount of weight on top. Adjust the brackets as needed to ensure optimal support. Be cautious not to overload the drawers, as they can still break or become damaged even with reinforcement.
Reinforcing the corners with plastic or metal brackets is a straightforward way to enhance the structural integrity of your plastic drawers. This method, combined with other reinforcement techniques, such as adding reinforcing strips or plates, can significantly improve the overall durability of your storage solution.
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Use reinforcing strips and plates made of wood, metal or plastic
Reinforcing strips and plates can significantly strengthen plastic drawers. These additions can be made of wood, metal, or plastic and can be attached to the drawers using screws or adhesive.
Reinforcing strips are added to the sides of the drawers, providing additional support to the structure. This prevents the drawers from sagging or warping under the weight of the items stored within. The reinforcing strips can be cut to size and attached securely using screws or a strong adhesive.
Reinforcing plates, on the other hand, are used to strengthen the bottom of the drawers. These plates provide a sturdy base, preventing the drawers from sagging or bowing under pressure. Like the reinforcing strips, the plates can be made of metal or plastic and attached with screws or adhesive.
When using screws, it is important to ensure that the screws are spaced evenly for a secure fit. Additionally, a reinforcing adhesive, such as epoxy, can be used to add extra strength to the plastic drawers. It is crucial to follow the instructions on the product and work in a well-ventilated area when using adhesives.
For a snug fit, you can use a blow dryer to heat up the plastic slightly before inserting a reinforcing plate or strip. This is especially useful when working with wood, as it allows you to shape the plastic around the wood for a secure fit.
By using reinforcing strips and plates, you can effectively strengthen plastic drawers, making them more durable and capable of withstanding heavier items.
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Use a reinforcing adhesive, such as epoxy
Reinforcing adhesives, such as epoxy, can be used to add extra strength to plastic drawers. Epoxy is a strong adhesive that can be used to bond a variety of materials, including plastic. When using an epoxy adhesive, it is important to follow the instructions on the product and to work in a well-ventilated area.
To use an epoxy adhesive to reinforce a plastic drawer, you will need to:
- Prepare the surface: Clean the surface of the plastic drawer to ensure that it is free of any dirt, grease, or debris. This will help the epoxy to adhere properly to the surface.
- Mix the epoxy: Epoxy typically comes in two parts that need to be mixed together in the correct proportions. Follow the instructions on the product to mix the epoxy properly.
- Apply the epoxy: Use a putty knife or a similar tool to apply the epoxy to the plastic drawer. Spread the epoxy evenly and smoothly, ensuring that it covers the entire surface that you want to reinforce.
- Allow for curing: Epoxy needs time to cure and harden. Follow the instructions on the product for the recommended curing time. Do not disturb the drawer during this period.
- Sand and finish (optional): Once the epoxy has cured, you can sand it down to create a smooth surface. You can also paint or finish the epoxy to match the colour of the plastic drawer.
When using epoxy or any other adhesive to reinforce a plastic drawer, it is important to use caution and not to overload the drawer with heavy items. Even with reinforcement, plastic drawers have their weight limits, and overloading them can still cause them to break or become damaged.
Additionally, you can use a blow dryer to heat up the plastic slightly before applying the epoxy. This can help to create a stronger bond between the epoxy and the plastic. Just be careful not to overheat the plastic, as it can warp or melt at high temperatures. Always test the heat level on a small area first before applying it to the entire surface.
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Lubricate the drawers with WD-40 or a similar product
Lubricating the drawers with WD-40 or a similar product can help improve the running capabilities and reduce friction. It is a penetrating oil that can get into small openings and cavities, driving out corrosion, dust, and grease. This can be especially useful if your drawers are squeaking.
To lubricate the drawers, simply spray the WD-40 onto the desired area and wipe it down with a rag. This will help to clean the surface and make it shiny. However, it is important to note that Polycarbonate and clear polystyrene plastic are among the surfaces that should be avoided when using WD-40.
While WD-40 can be useful for lubrication, it may not provide a long-lasting effect due to its high viscosity. There may be better options available if you are looking for a more permanent solution. Additionally, it is always recommended to exercise caution and common sense when using any chemical product, including WD-40.
As an alternative to WD-40, you can use a hair dryer or a heat gun to slightly warm up the plastic. This can help to loosen any dirt or grease buildup and improve the sliding mechanism of the drawers.
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Frequently asked questions
You can use reinforcing strips made of wood, metal, or plastic and attach them to the sides of the drawers with screws or adhesive. You can also use reinforcing plates to strengthen the bottom of the drawers.
You can eliminate excess items and discard the storage boxes. You can also replace the plastic by building your own drawer organizers from craft foam board and duct tape.
You can use plastic or metal brackets to reinforce the corners of the drawers.
You can use a heat gun or a hair dryer to warm up the plastic and then use a flat piece of wood to push it back up.
You can use household lubricants to keep them functioning properly. You can use WD-40 or a similar petroleum-based lubricant, or a bar of soap if you don't have WD-40. You can also use rivets or screws to fasten wood to the drawers for reinforcement, but be careful not to split the wood. Additionally, you can use duct tape to cover any sharp plastic edges.











































