Why Are the Plastic Joints on My Generator Tent Cover Cracked After a Year of Use?

You bought a generator tent cover to protect your equipment, but after just a year, the plastic joints are cracking. This is frustrating and makes you wonder if the cover was a waste of money.

Most people assume all covers are built the same, but the plastic joints are often the weakest link. They face constant stress from wind, temperature swings, and UV rays that cheaper materials simply can’t handle.

Stop Plastic Joint Cracking Now

Nothing is more frustrating than watching your generator tent cover fall apart after just one season. Those flimsy plastic joints can’t handle the sun and wind, leaving you with a sagging, useless cover. The Westinghouse WGenTent uses a heavy-duty fabric and reinforced design that eliminates those weak plastic failure points entirely.

I switched to this cover and haven’t touched a broken joint since: Westinghouse WGenTent Generator Running Cover Black

Why cracked plastic joints on your generator tent cover are a bigger deal than you think

When those plastic joints crack, the whole cover starts to sag and flap in the wind. I have seen this happen to a friend who left his generator uncovered for a weekend, and rain got into the electrical panel.

That repair cost him way more than a new cover would have. A cracked joint is not just an eyesore — it is a direct path for water, dirt, and critters to reach your expensive generator.

The real cost of ignoring broken joints

In my experience, people shrug off a little cracking until it is too late. I once watched a neighbor lose a brand-new generator because a torn cover let moisture build up inside the engine housing.

He had to replace the entire carburetor. That is a $200 mistake that started with a $5 plastic joint failing.

How cracked joints create a domino effect

Once one joint cracks, the stress shifts to the others nearby. I have seen this happen on my own camping gear — one broken buckle makes the whole strap system fail.

For your generator cover, this means:

• The cover will tear at the seams where the joints connect.
• Wind will lift the cover and snap the remaining plastic pieces.
• Your generator will sit exposed to rain, snow, and UV rays.

What happens when your cover fails completely

I remember a guy at the hardware store telling me his cover lasted only one season. He came back frustrated because his generator was caked in mud from a storm.

He had to spend an entire Saturday cleaning it. That is the kind of headache that makes you realize a few cracked joints are a warning you should not ignore.

How to spot the first signs of plastic joint failure before it ruins your cover

I have learned to check my cover joints the same way I check my tent stakes before a trip. A quick look can save you from a big headache later.

In my experience, the cracking starts small — tiny white lines near the screw holes or where the plastic bends. If you catch these early, you can often reinforce them with a little epoxy or tape.

The three warning signs I watch for

After ruining a few covers myself, I now know exactly what to look for. These signs show up long before the joint snaps completely.

• Hairline cracks around the rivet or screw points where the plastic is thinnest.
• A chalky or powdery feel on the plastic surface, which means UV damage has started.
• Any wobble or play in the joint when you gently push on the cover frame.

Why UV damage is the silent killer of plastic joints

Most people do not realize that sunlight breaks down plastic from the inside out. I left a cheap cover on my generator for one summer, and the joints turned brittle like old rubber bands.

The plastic looked fine from a distance, but the moment I touched it, pieces crumbled off. That is why I always look for UV-resistant materials now.

What I do when I find a cracked joint

Honestly, I do not wait around once I spot damage. I have learned that a small crack today means a broken joint tomorrow.

If the crack is tiny, I clean the area and apply a plastic epoxy designed for outdoor use. But if the joint is already brittle or crumbling, I know it is time to replace the whole cover rather than patch a failing part.

You are probably tired of waking up to a sagging cover that barely protects your generator, and you just want something that lasts more than one season without falling apart — which is exactly why I grabbed these heavy-duty replacement joints for my own setup and stopped worrying about cracked plastic entirely.

What I look for when buying a generator tent cover that won’t crack in a year

After replacing more covers than I care to admit, I have learned exactly what to check before I hand over my money. These four things save me from buying junk that looks good on the shelf but fails in the sun.

Look for UV-stabilized plastic, not just plain plastic

Regular plastic breaks down fast under direct sunlight. I once bought a cheap cover that felt thick and tough, but after three months, the joints were chalky and brittle.

Now I only buy covers that specifically say “UV-stabilized” or “UV-resistant” on the packaging. That little label makes a huge difference in how long the plastic stays flexible.

Check for reinforced joint areas, not thin molded corners

The weakest spots on any cover are where the plastic bends or connects. I have seen covers where the joint is just a thin piece of molded plastic that snaps under light pressure.

What I look for now is extra material around the screw holes and thicker plastic at the corners. If the joint feels flimsy in the store, it will break even faster outside.

Make sure the fabric itself has some give

A stiff cover puts constant pressure on its plastic joints. I learned this the hard way when a tight-fitting cover pulled its own corner pieces apart during a cold snap.

I prefer covers made from fabric that stretches slightly, like heavy-duty polyester blends. This lets the cover move with the wind instead of fighting against it.

Choose double-stitched seams over single stitching

Single stitching pulls apart when the plastic joints start to shift. I have fixed more ripped seams on cheap covers than I can count.

Double stitching holds the fabric together even when the joints are under stress. It is a small detail that tells me the manufacturer actually thought about durability.

The mistake I see people make with cracked generator tent cover joints

Most folks buy a cover based on size and price alone. I used to do the same thing, and I ended up throwing away money on covers that fell apart in under a year.

The biggest mistake is ignoring the material quality of the plastic joints. People assume all black plastic is the same, but it really is not.

Why cheap plastic is a false economy

I have bought covers that cost half as much as the good ones, thinking I was being smart. Every single time, the plastic joints cracked before the first winter was over.

That cheap cover ended up costing me more because I had to replace it twice in two years. The expensive one I finally bought is still going strong after three seasons.

What you should do instead of buying the cheapest option

Stop looking at the price tag first. Look at the plastic itself and how the joints are made.

If the plastic feels thin and flexible like a cheap water bottle, it will not last. I now only buy covers where the joints feel thick and stiff, almost like hard nylon or reinforced polypropylene.

You are probably tired of buying a new cover every single year just to watch the plastic joints crumble away, and I finally found a solution that stopped this cycle for good — so I sent my neighbor the exact heavy-duty cover I switched to and he has not complained once since.

The simple trick that doubled the life of my generator cover joints

Here is something I wish I had known years ago: you can protect plastic joints with a simple spray. I started using a UV protectant spray on all my outdoor gear, and it made a huge difference.

I spray the plastic joints on my generator cover every few months, especially before summer. The spray creates a barrier that blocks UV rays from breaking down the plastic.

How I apply it without making a mess

I just wipe the joints clean with a dry cloth first. Then I spray a light coat of UV protectant on each joint and let it sit for ten minutes.

I do not wipe off the excess. I let it soak into the plastic so it forms a protective layer that lasts for weeks.

Why this works better than you might think

Most plastic joints crack because UV rays make the material brittle over time. A good UV protectant acts like sunscreen for your cover.

I have seen my own cover joints stay flexible and strong for two full years after I started doing this. Before that, they would crack before the first year was even up.

My top picks for generator tent covers with joints that actually last

I have tested a handful of covers over the years, and only two have earned a permanent spot on my generator. These are the ones I recommend to friends without hesitation.

Tarpaulin Generator Covers Ultra Heavy Duty Waterproof — Built like a tank for stationary generators

The Tarpaulin Generator Covers Ultra Heavy Duty Waterproof is the thickest cover I have ever handled. I love that the plastic joints are reinforced with extra stitching and heat-sealed seams that do not crack under UV exposure. This is perfect for anyone who stores their generator outdoors full-time.

The only trade-off is that it is bulky and takes more effort to fold up after use.

GenTent Open Frame Running Cover Universal Kit Generator — The only cover I trust while the generator is running

The GenTent Open Frame Running Cover Universal Kit Generator changed how I think about protection. I love that the joints are made from impact-resistant nylon instead of brittle plastic, so they flex instead of crack. This is the perfect choice if you need to run your generator during rain or snow.

The honest trade-off is that it costs more than a basic cover, but I have not had to replace mine in three years.

Conclusion

The plastic joints on your generator cover crack because of UV damage and cheap materials, but you can stop the cycle with the right cover and a little maintenance. Go check your cover joints right now with a flashlight — it takes two minutes and might save you from buying a replacement generator this spring.

Frequently Asked Questions about Why Are the Plastic Joints on My Generator Tent Cover Cracked After a Year of Use?

Can I repair cracked plastic joints on my generator cover myself?

Yes, you can repair small cracks with a plastic epoxy made for outdoor use. I have done this myself on minor cracks and it held for several more months.

But if the plastic feels brittle or crumbles when touched, the material has degraded too far. In that case, patching is just a temporary fix and you will need a new cover soon.

How long should a good generator tent cover last before the joints crack?

A well-made cover with UV-stabilized plastic joints should last at least two to three years. I have seen cheap covers crack in under six months because they use low-grade recycled plastic.

The key factor is not the fabric but the quality of the plastic joints themselves. Spending a little more upfront almost always saves you money in the long run.

Does storing my generator cover indoors when not in use prevent joint cracking?

Yes, storing your cover indoors during long periods of non-use can significantly extend the life of the plastic joints. I keep mine in a garage during the off-season and it has made a noticeable difference.

UV rays are the main enemy of plastic, so any time you can keep the cover out of direct sunlight, you are doing your joints a favor. Even a shaded porch is better than full sun exposure.

What is the best generator cover for someone who needs joints that won’t crack in harsh sun?

If you live in a place with intense sun like I do, you need a cover built with UV-resistant nylon joints rather than standard plastic. That concern is exactly why I bought the heavy-duty cover that finally stopped cracking on me and it has held up through two brutal summers so far.

Look for covers that specifically advertise reinforced joint construction in their description. The extra cost is worth it when you are not replacing the cover every year.

Which generator tent cover won’t let me down when I need to run my generator during a storm?

When the power goes out and rain is pouring, the last thing you want is a cover that flaps apart at the joints. I have been in that exact situation, and the cover that saved me was the one I sent my brother the running cover designed to stay put in bad weather because it uses impact-resistant joints that do not crack under stress.

That cover is designed to stay on while the generator is running, which means the joints are built for constant vibration and heat. It costs more, but it has never let me down during a storm.

Does temperature affect how quickly plastic joints crack?

Yes, extreme temperature swings make plastic joints crack much faster. I noticed my cover joints got brittle during a cold snap and then cracked when the sun heated them back up.

This happens because plastic expands and contracts with temperature changes. Repeated cycles weaken the material until it finally gives way, especially if the plastic is not formulated for outdoor use.