how to repair a cracked plastic oil tank

by Hulda Frami DVM Published 2 years ago Updated 2 years ago

Getting Started. On the downside, however, plastic fuel tanks are more likely to get cracked or break easily. ...
Method 1: Epoxy Glue Method. Of the three methods to repair a plastic fuel tank, this method is the easiest and least expensive. ...
Method 2: Seal With a Plastic Welder. Right now, you must think, really! Welding plastic? Well, you heard it correctly. ...
Method 3: Using a Soldering Gun. This method is quite simple, and we assure you it isn’t at all as complicated as you imagine. ...

Tips for Repairing Plastic Fuel Tanks. There are safety tips to consider when repairing a plastic fuel tank. ...

Frequently Asked Questions. There are a few questions you must get familiar with as you plan to repair your plastic fuel tank. Q: Can a plastic fuel tank be repaired?

Final Thoughts. Now, you can boast of the best ways to get your plastic gasoline tank fixed without spending so much or causing further damage to the tank.

Part of a video titled How To Fix A Broken Plastic Gas Or Oil Tank - with Taryl

2:24

10:28

You're gonna need some coarse sandpaper this is 80 grit it don't have to be 80 to be some course.MoreYou're gonna need some coarse sandpaper this is 80 grit it don't have to be 80 to be some course. And of course me some taro pudding pair of gloves latex gloves or a little bit of water.

Full Answer

How do you fix a cracked plastic tank?

Touch the plastic tank repair epoxy to the top of the crack. Apply pressure per the instructions that came with your plastic welding gun, and pull the gun down or across to the other end of the plastic tank crack. Make sure you allow the plastic tank repair epoxy to dry for at least 1 hour before you move ahead.

Should I repair or replace my cracked oil tank?

Your tank has a crack in it. If you have a bunded oil tank (double-skinned), you have more time to call experts in. If your steel or single skinned tank has a crack in it, it will need immediate attention. An oil tank repair kit is really just a tool to buy you some time; it should never be used to fix the tank as a permanent solution.

How to fix a crack in plastic without damaging it?

A simple soldering iron is a great way to fix a crack in plastic. The focused heat from the iron allows you to melt only the edges of the crack so you can reconnect them easily without melting or warping any of the rest of the plastic. They are also easy to use and do not require any extra material.

How do I Stop my oil tank from leaking?

A quick fix that you can do to stop oil from leaking into the environment and water from entering is to rub a bar of soap into the splits/cracks. Duct tape can also be used however, these are quick and temporary fixes so it is important to replace your tank as soon as you can.

Can a cracked oil tank be repaired?

Unfortunately a fuel tank cannot be repaired once damaged. Having your tank serviced regularly just as you would with your boiler is important so you can notice any signs early on to avoid any spillage/damage.

Can I repair my plastic oil tank?

Plastic fuel tanks cannot be repaired once they've started to deteriorate. Checking your tank regularly so you can notice the signs of a fault early on is key to avoiding a spillage.

How do you fix a crack in a plastic tank?

What can I use to fix a plastic fuel tank?

Using epoxy glue is the easiest way to seal a plastic fuel tank, but it sometimes fails after a short time. If using a plastic welder for the first time, practice before attempting to seal the plastic gas tank. The rental store should be able to work with you to ensure that you have no problems.

Why do oil tanks crack?

The most common form of damage experienced by plastic oil storage tanks is caused by the cold and often freezing temperatures in winter. The cold weather causes the plastic of the tank to become brittle. Over a long period of time this can cause damage to the tank, most commonly in the form of splits and cracks.

How often should you change your plastic oil tank?

A plastic tank has a 10-15-year lifetime, however improper maintenance can significantly reduce this. As plastic tanks are cheaper than steel tanks, people tend to think they are better value for money. But steel tanks are less prone to damage from the weather and environment, boasting a much longer lifespan.

How do I fix a cracked tank?

4:597:27HOW TO: Fix BROKEN or CRACKED aquariums - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe top silicone. And a new sheet of glass over top of it it can no longer leak. So with that saidMoreThe top silicone. And a new sheet of glass over top of it it can no longer leak. So with that said this is completely safe and the tank is now good as new if the tank does not have a bottom brace.

How do you weld a plastic tank?

4:138:34Plastic Welding RV Holding Tank Repair, DIY with a ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can go too deep and gouge out a hole in the plastic. This plastic welder gets very hot as youMoreYou can go too deep and gouge out a hole in the plastic. This plastic welder gets very hot as you can see from all that smoke. So let the welder do the work.

How do you fix cracked polypropylene?

Polypropylene glue is the best glue to use. The only way to successfully bond the plastic is to use hot melt glue that's made of polypropylene. Apply a small drop of the glue onto 1 surface and then press it firmly against the surface you want to connect it to. Hold them together until they fully set.

Can you use J-B Weld on plastic fuel tank?

J-B Weld is The Original Cold Weld two-party epoxy system that provides strong, lasting repairs to many surfaces. Iron & Stainless Steel, Copper & Brass, Aluminum & Broonze, Fiberglass and Plastic & PVC.

Can you weld a plastic fuel tank?

0:427:47Welding Plastic Gas Tank on a FIAT 500 Abarth with the Harbor Freight kitYouTubeStart of suggested clipEnd of suggested clipWith a plastic welder of course.MoreWith a plastic welder of course.

Is superglue fuel resistant?

Product Description. Seal-all is the adhesive mechanics and hobbyists trust for all their automotive and garage repairs. It Adheres with superior strength to most substrates and resists gasoline, oil, paint thinner, and solvents. Seal-all does not require mixing or heating and will not become brittle.

Does JB tank weld work on plastic?

Does JB Weld work on plastic?

J-B WELD PLASTICWELD: A quick setting and multipurpose two part epoxy that provides a strong and lasting bond on various plastic surfaces (Plastic & PVC, Fiberglass, Glass, ABS, Composites and Vinyl).

What are plastic oil tanks made of?

Plastic tanks are made of moulded polyethylene, come in different shapes and are normally green. Steel tanks are usually rectangular and are protected with an oil resistant coating.

How long do plastic fuel tanks last?

Workers at Tiara Yachts install a plastic fuel tank in a new 38 LS. Luckily, it's a choice most boat owners won't have to make, unless they keep their boat for a long time, or decide to buy and rehab an older vessel. Most fuel tanks last for 15 years, maybe 20, if properly installed and maintained.

How to repair a plastic oil tank?

Repair your plastic oil tank with a plastic sealing tape. Sealing tapes are available at any hardware store and are great for an easy fix for smaller cracks and holes. Sealing tapes adhere well to any plastic type and can maintain seal in temperatures as low as -4.44 degrees C to 82.2 degrees Celsius. Simply apply the sealing tape ...

What is the best way to repair a crack in plastic?

Although speed tip welding offers the most precise plastic repair, it is also the most challenging and expensive plastic repair method. Speed tip welding is also the best method for repairing a crack or a hole in a hard to repair area such as a corner.

What is in a fibreglass patch kit?

These kits contain epoxy, fibreglass cloth, application brush and sandpaper. Simply sand down the crack or hole, cover it with the fibreglass cloth, prepare the epoxy and brush it over the fibreglass to create a patch.

What to do if you notice a crack in your oil tank?

If you notice a crack in your tank that is above the oil level, it’s crucial that you have it replaced as soon as possible. Our experienced OFTEC registered engineers will identify and assess any damages you may have on your tank and offer additional solutions, or if needed, we can replace your oil tank and transfer your oil over to the replacement.

Why buy plastic oil tanks?

Why Buy A Plastic Oil Tank? Most Commonly, people favour plastic oil tanks over steel tanks as they are less prone to corrosion/rust than a steel tank. When buying an oil tank it’s sensible to check whether you need a bunded tank or not. It is a legal requirement for tanks storing over 3,500 litres to be bunded.

What Causes Damage To An Oil Tank?

A drop in temperature can cause the plastic on your tank to become brittle which can leave it more prone to physical damage causing cracks and split. During the winter we suggest visually inspecting your tank once every fortnight and keep an eye on your fuel levels for any sudden drops. If there is snow sitting on top of your tank we also suggest clearing this as any extra weight may strain on parts of the tank.

Why buy a bunded oil tank?

Purchasing a bunded oil tank is a great investment that helps you avoid damage from weather, spills and contamination whilst protecting the environment and providing the safest way to store your Oil.

How many litres of fuel should be in a bunded tank?

It is a legal requirement for tanks storing over 3,500 litres to be bunded. A Bunded tank is made up of an inside tank that stores the fuel and an outside tank that provides protection against weather, contamination, leaks, and theft.

Why do single skinned tanks deform?

This is more common for singles skinned tanks where there is no outer tank to protect them. Tanks positioned in direct sunlight can become discoloured/whitened, causing the tank to expand and deform. This then eventually weakens the points on the tank that take the most weight.

Why do you need to service your plastic oil tank?

If you own a plastic oil tank, keeping your tank maintained and having your tank serviced regularly is essential to control the condensation within your tank and to help prevent any other costly problems. Just as you would with a car or a boiler, your tank needs to be well maintained and routinely checked.

How to fill cracks in plastic?

Submerge a few pieces of scrap plastic in the acetone. You’ll be melting down plastic to use to fill your crack, so use pieces that you don’t need . It doesn’t matter the shape, because it will melt completely before you use it. If possible, use scrap plastic that matches the cracked plastic you are repairing.

What is the best way to fix cracks in plastic?

Use plastic glue to fix small cracks in plastic. If you need to reconnect a crack in plastic, you can use plastic glue, which is specially formulated to bond plastic surfaces. Plastic glue is often used for making models so it is easy to use and safe to handle for adults.

How to clean melted plastic?

Fill a glass container with acetone. Acetone melts plastic, so you don’t want to fill a plastic container like a cup or bucket with it. Use a glass or ceramic bowl and fill it with enough acetone to completely submerge a few pieces of scrap plastic. It may be difficult to fully clean the melted plastic when you’re finished, so use a bowl you don’t mind ruining.

How to get cracks out of plastic?

Leave the cracked plastic in the water for at least 30 seconds. Take the plastic out of the water periodically to test if it is soft enough to mold. You can use tongs to hold the plastic in the hot water. Don’t slosh the plastic around in the water.

How long should you leave a cracked plastic in water?

Different types of plastic may take longer to become malleable in the water. Leave the cracked plastic in the water for at least 30 seconds.

What can you use to hold plastic together?

You can use a C-clamp to hold the plastic together.

How to make plastic soft?

You can make the plastic set almost instantaneously by quickly submerging it in cold water. 2. Fill a container of hot water and a container of cold water.

How to repair a crack in a plastic tank?

How to repair a plastic tank with epoxy?

When you have met all the prescribed requirements of your plastic tank repair epoxy, take your polyethylene welding rod and cut it to a point, like a pencil, with your utility knife. Insert the welding rod into your plastic welding gun. Touch the plastic tank repair epoxy to the top of the crack.

What type of tanks can you repair yourself?

Plastic tanks have the benefit of outlasting many other types of tanks and also being much easier to repair. Depending on their function and what they hold, you may need to call a plumber or other expert after all. Plastic tanks can play an essential role in the daily life of your household or business, and it is essential that you know your abilities and limitations before attempting to repair them yourself. When in doubt, seek out a professional plumber or plastic tanks specialist for help.

Why does my plastic tank crack?

If your tank forms a crack at the bottom of the tank, this is due to inability to withstand the pressure. Unfortunately, there is no fix for this kind of rupture and your tank will need to be drained and replaced. In these worse-case-scenarios, it is helpful to know that some plastic tank suppliers offer the option of renting tanks while you are in the process of replacing or repairing yours.

How to tell if plastic tank is damaged?

For water tanks, the tell-tale signs will be a loss of water pressure, loss of water level in the tank itself without use, or, if housed indoors, you will be able to see the collection ...

How to stop cracks in a wall from growing?

Next, you need to drill two small holes, one at the top and one at the bottom of the crack. These holes will relieve some of the structural pressure and prevent the crack from growing any larger.

Can you repair plastic tanks yourself?

Plastic tanks can play an essential role in the daily life of your household or business, and it is essential that you know your abilities and limitations before attempting to repair them yourself. When in doubt, seek out a professional plumber or plastic tanks specialist for help. First of all, it is a misunderstanding held by many people, ...

Collect the oil

If your tank is leaking, find a suitable container to safely collect the leaking oil in. Collecting the oil stops it from reaching absorbent soils or drainage, where serious problems and costly clean-up operations will occur if oil contaminates them.

Contact the experts

Get on the phone! Call Oil Tanks Plus as quickly as possible to get an expert, registered oil tank engineer out to you to assess the damage. We will work quickly to ensure as little damage is caused and can advise you on the next steps to replace your tank.

Important safety measures

Oil can be harmful to both humans and to the environment, because of this it is not meant to be handled or introduced into the ecosystem, hence the hefty penalties for oil leaks. To protect yourself and your surroundings, we advise;

Oil tank maintenance

Oil tank maintenance is the best way to avoid a cracked and leaking oil tank. With an Oil Tanks Plus maintenance plan you can schedule engineer visits and service checks in advance when it suits you, to ensure your tank is in peak condition.

Oil Tank Replacement

If you are concerned about the condition of your oil tank it may be a good time to think about replacing it. If you are unsure of the type of oil tank you need and want some advice then contact our friendly team of experts today. From site surveys to guidance on choosing your oil tank, we can help you.

Oil Tanks Plus are here to get you safely back in working order

Our highly trained and accredited nationwide network of engineers are on hand to quickly assist you in the event of a damaged oil tank. We cover the whole of the UK, and with our expert engineers based in over 40 locations, we can get to you no matter how remote your location. Contact us today.

Why is my oil tank f4cked?

There are also many other regulations in relation to the siting and installation of an oil tank. Your oil tank is f4cked due to it being incorrectly installed and will almost inviteably fail sometime soon.

What is the corner of a plastic tank?

The corners of any tank are the areas needing most support. On a plastic tank there are clear instructions that there must be no overhang, you must oversize the base. The area overhanging will have been under immense stress and could rip open at any time. But the most likely time is when you fill it up.

Which has a longer life, steel or plastic?

A steel tank will have a longer life than plastic. They are available any size and colour you want, and don't let anyone tell you they aren't. They are generally cheaper too. The only disadvantage compared to a plastic tank is that they are considerably heavier. oilman, 23 Jun 2010.

Can you heat weld thermoplastic tanks?

It’s afraid it’s fecked . You’ll have a hard job repairing it with anything because of oil contamination & nothing much will stick to thermoplastic tanks anyway as the plastic is inherently non stick; heat welding is about the only thing that will work but that's hardly practical on a tank in service. A de-greased surface & few layers of Gaffa tape will probably be as good as anything for a temporary repair but be careful not to overfill as it may let go completely.

Will oil companies pump out old tanks?

Oil companies will pump out the old tank, and replenish the new for you ...for a nice fee, no doubt.

Can you get warranty on a tank that has been incorrectly installed?

You have no warranty as the tank has been incorrectly installed, in fact it was designed to fail.