04/07/2018
Fancy a unique centrepiece for your garden gatherings? An old oil drum, with a bit of elbow grease and a dash of creativity, can be transformed into a rustic and highly effective barbecue. This guide will walk you through the process, from safely preparing the drum to assembling your new cooking station. It’s a rewarding project that’s both economical and environmentally friendly, giving a second life to an item that might otherwise be discarded.

- Safety First: Preparing Your Oil Drum
- Essential Tools and Materials
- Step 1: Stripping the Drum – The Foundation of Your BBQ
- Step 2: Cutting the Drum – Creating the BBQ Chamber
- Step 3: Ventilation – The Key to Temperature Control
- Step 4: Attaching the Lid and Handles
- Step 5: Adding Legs or a Stand
- Step 6: Installing the Cooking Grates
- Step 7: Finishing Touches (Optional)
- Frequently Asked Questions
- Conclusion
Safety First: Preparing Your Oil Drum
Before we get our hands dirty, the most crucial step is ensuring the oil drum is safe to work with. If the drum previously contained flammable liquids, extreme caution is advised. Any residual flammable material could ignite when exposed to heat or sparks from tools like angle grinders. If you have any doubts whatsoever about the drum's previous contents, it is highly recommended to seek advice from someone experienced. Proper disposal of any remaining liquids is paramount and must be done according to local regulations.
Essential Tools and Materials
To embark on this transformation, you'll need a few key items:
- An old oil drum: Preferably one that has been thoroughly cleaned.
- Angle grinder with a paint-removing disc: This is highly effective for stripping off old paint and rust. A wire brush attachment for a drill can also be used, but an angle grinder typically works much faster.
- Dust mask or spray painting mask: Essential for protecting your respiratory system from dust and debris.
- Safety goggles: To protect your eyes from flying particles.
- Heavy-duty gloves: For hand protection.
- Wire brush (handheld): For getting into nooks and crannies.
- Metal cutting disc (for angle grinder): If you need to cut the drum.
- Drill with metal drill bits: For creating holes for vents, hinges, or handles.
- Hinges: For the lid.
- Handles: For the lid and potentially for moving the BBQ.
- Legs or a stand: To elevate the drum to a comfortable cooking height. This could be metal legs, bricks, or a custom-built frame.
- Cooking grates: To place your food on.
- Optional: High-temperature paint: For a more finished look.
Step 1: Stripping the Drum – The Foundation of Your BBQ
This is where the real work begins. The goal here is to remove all existing paint and rust to create a clean surface. Place the oil drum in a stable, well-ventilated area. Donning your dust mask and safety goggles is non-negotiable for this stage. Start with your angle grinder and the paint-removing disc. Work methodically across the entire surface of the drum. You’ll find that the angle grinder is a powerful tool for this, quickly stripping away layers of old paint and grime. Don't rush this process; taking your time to ensure all paint is removed is crucial. Any paint left behind will likely bubble and peel when the BBQ is heated, ruining the aesthetic and potentially compromising the finish.
After using the angle grinder, you might want to go over the drum with a handheld wire brush to remove any stubborn residue or to clean up areas the grinder couldn't quite reach. The cleaner the drum is now, the better the final result will be.
Table: Paint Removal Methods
| Method | Pros | Cons | Best For |
|---|---|---|---|
| Angle Grinder with Paint Remover Disc | Fast, efficient, removes thick paint and rust | Can be dusty, requires safety precautions, can be aggressive | Thick, stubborn paint layers |
| Wire Brush Attachment (Drill) | Less aggressive than grinder, good for detail | Slower, less effective on thick paint | Lighter paint, rust removal |
| Handheld Wire Brush | Precise, good for edges and crevices | Time-consuming for large areas | Finishing touches, small areas |
Step 2: Cutting the Drum – Creating the BBQ Chamber
This is arguably the most significant modification you'll make. You'll need to cut the drum to create the main cooking chamber and potentially a lid. The most common design involves cutting the drum in half horizontally, or making a cut along the length of the drum to create a lift-up lid. For a horizontal cut, you’ll need to measure and mark a straight line around the drum. Use a metal cutting disc on your angle grinder for this. Precision is key here to ensure the two halves fit together neatly or that the lid opens smoothly.
If you're opting for a lengthwise cut to create a lid, you'll cut along the top half of the drum, leaving one side intact as the base. This creates a classic 'clamshell' BBQ. Again, a metal cutting disc on the angle grinder is the tool for the job. Ensure you leave enough of the drum intact to act as a sturdy base and lid.
Step 3: Ventilation – The Key to Temperature Control
A BBQ needs airflow to burn efficiently and to control the cooking temperature. You’ll need to create ventilation holes. Typically, these are placed near the bottom of the drum to allow air to enter and feed the coals, and near the top to allow smoke and heat to escape. Use your drill with an appropriate metal drill bit to create these holes. Common sizes range from 10mm to 25mm. You can drill several small holes or a few larger ones. Some people create adjustable vents, which allow for more precise temperature control. This might involve cutting a larger opening and then attaching a piece of metal with hinges, allowing it to be opened or closed.
Step 4: Attaching the Lid and Handles
If you've cut your drum to create a lid, you'll need to attach it. Use hinges to connect the lid to the base. Position the hinges so that the lid opens and closes smoothly without snagging. You’ll need to drill pilot holes and then use bolts and nuts to secure the hinges. For the handles, choose sturdy metal ones. Attach them to the lid and potentially the sides of the drum for easy lifting and moving. Again, drilling pilot holes and using bolts and nuts is the most secure method.
Step 5: Adding Legs or a Stand
A BBQ needs to be at a comfortable working height. You have several options for legs or a stand:
- Metal Legs: You can purchase or fabricate metal legs. These can be bolted directly to the base of the drum.
- Brick or Stone Stand: A simple and stable option is to build a base using bricks or stones. Ensure it’s level and sturdy.
- Custom Frame: For a more professional look, you could build a frame from angle iron or other metal stock.
Whichever method you choose, ensure the stand is stable and can support the weight of the drum, coals, and food.
Step 6: Installing the Cooking Grates
You'll need a way to support the cooking grates inside the drum. There are a few ways to achieve this:
- Internal Supports: Weld or bolt metal brackets or angle iron strips inside the drum to create ledges for the grates to rest on.
- Grill Racks: Some designs use existing grill racks that can be cut to size and placed inside.
- Direct Placement: If your drum is cut perfectly and you have grates that fit snugly, they might rest directly on the bottom edge of the drum halves.
Ensure the grates are positioned at a suitable height for cooking.
Step 7: Finishing Touches (Optional)
Once the main structure is complete, you might want to add some finishing touches:
- High-Temperature Paint: Painting the exterior with high-temperature BBQ paint will give it a professional look and offer some protection against rust. Ensure the drum is thoroughly cleaned and prepped before painting.
- Ash Catcher: You could add a small tray or drawer at the bottom to catch ash and make cleaning easier.
- Thermometer: Installing a BBQ thermometer in the lid will help you monitor the cooking temperature more accurately.
Frequently Asked Questions
Q1: Is it safe to convert an oil drum into a BBQ?
Yes, provided you take the necessary safety precautions, especially regarding the drum's previous contents. Ensure it's thoroughly cleaned and any residues are removed safely.
Q2: What kind of paint should I use?
If you choose to paint the exterior, use a high-temperature, heat-resistant paint designed for BBQs or grills. Standard paints will peel and bubble when exposed to heat.
Q3: How do I dispose of any remaining oil or liquid?
Never pour old oil or liquids down the drain or into the environment. Contact your local waste disposal or recycling centre for advice on the correct disposal methods for hazardous waste.
Q4: How long will my oil drum BBQ last?
The lifespan depends on the quality of the materials used, how well it's maintained, and the conditions it's exposed to. With proper care and occasional touch-ups, it can last for many years.
Q5: Can I use any type of oil drum?
It's best to use drums that previously contained non-hazardous substances. Drums that held food-grade oils or water are generally safer. Avoid drums that contained toxic chemicals or fuels if possible, or ensure they have been professionally cleaned and certified safe.
Conclusion
Transforming an old oil drum into a BBQ is a fantastic project for any DIY enthusiast. It requires careful planning, attention to safety, and a bit of skill with tools, but the result is a unique and functional piece of outdoor cooking equipment. With your newly crafted oil drum BBQ, you're ready to host memorable cookouts and enjoy delicious grilled food for years to come. Remember to prioritise safety at every step, and happy grilling!
If you want to read more articles similar to Transform Your Old Oil Drum into a BBQ, you can visit the Automotive category.
