Here's how to repair your hot tub cover (5 different scenarios)
Read on to learn how to repair a hot tub cover hole, leak, or tear.Find a hot tub repair specialist
- What do I need to repair my hot tub cover?
- How do you repair a ripped spa cover?
- How do you fix a hole/leak in a hot tub’s vapor barrier?
- How to replace a cracked foam core
- Replacing the vinyl covering
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Hot tub covers are practical—they protect the tub from debris while keeping the water’s temperature while not in use.
But what if your hot tub gets a tear, leaks, or has a hole? Can you repair hot tub covers? Generally, if the damage isn’t that extensive, hot tub cover repair is possible. Immediately fixing it will prevent things from getting worse. But if your cover is already worn-out and doesn’t serve its purpose anymore, consider replacing it.
Read on to learn how to repair a hot tub cover hole, leak, or tear.
What do I need to repair my hot tub cover?
Depending on the damage, you may need to grab a few tools and supplies to repair your hot tub cover. Check out the lists below.
What you need to fix a small tear on the seam
Vinyl repair patch
What you need to fix a hole
Polythene patch for one or two small holes; or
Polythene sheets for several holes
What you need to fix a cracked foam core
New foam core of the same size
What you need to fix a waterlogged spa cover
Anti-mold and anti-mildew agent
What you need to replace the vinyl covering
Large sheet of unbacked vinyl
Contact cement can
A large spreader
How do you repair a ripped spa cover?
Prolonged usage usually causes rips or tears. This results in water entering the cover, especially in outdoor hot tubs. Durability is also affected as a small tear could worsen whenever the cover is lifted.
Clean the area near the rip with rubbing alcohol.
Prepare the vinyl patch. Make sure it’s at least 1 in (2.54 cm) bigger than the tear in all directions.
Apply the adhesive to the leather patch and the area around the tear.
Place the leather patch directly on top of the tear.
Flat out wrinkles or air bubbles to ensure the patch is securely in place.
The edges should be smoothly pasted and shouldn’t protrude out. If so, you must ensure that any space is tightly closed.
Leave it to cure.
How do you fix a hole/leak in a hot tub’s vapor barrier?
The vapor barrier is the one that blocks the vapor from the hot water entering the foam core. Any tear or hole in the vapor barrier will allow water to seep into the foam core. When this happens, the tub cover becomes heavy due to water logging. Regularly examine your vapor barrier to check for holes. Doing this can prevent further damage.
Instead of duct tape, use a polythene patch to cover the holes in the vapor barrier. They can withstand heat and steam compared to duct tape.
In case of several holes, remove the foam core first and use polythene sheets or a tarp to cover it before putting back the foam core.
When adding chemicals to the hot tub water, keep it open for at least 30 minutes before closing it. If you don’t do this, the gases produced by chemicals such as chlorine or bromine stay inside and eat up the vapor barrier.
How to replace a cracked foam core
If the hot tub’s foam core gets cracked, patching up will not solve the damage. You may need to replace it with a new foam core.
To do this, measure the old core size to know what new foam core to purchase. Fair warning, this can be challenging and costly. Experts usually recommend that you get a new cover instead.
|You might like to read: How to maintain a hot tub
How to fix a heavy hot tub cover
Any small tear in the cover or a hole in the vapor barrier will let water seep in, causing waterlogging. If your hot tub has a waterfall feature, it may cause water to get into your cover. Waterlogging makes it difficult to lift the cover. Plus, it causes mold and stinking.
If waterlogging is already heavy, get a new hot tub cover. But if you notice the issue early, you can still fix it.
Take out the foam core and dry it by standing it vertically in the shade or under the sun. This allows the trapped water inside the foam to evaporate.
Once dry, prevent further issues by spraying it with anti-mold and anti-mildew agents.
Flip the foam core to reverse any sagging due to residual water content when you put it back on the cover.
Ensure that the foam is well insulated with a plastic covering that serves as the vapor barrier.
Any holes in the cover should be sealed to prevent further issues.
Replacing the vinyl covering
Recover your spa top with new marine-grade vinyl.
Use a large sheet of unbacked vinyl, a can of contact cement, and a large spreader.
Cover over the entire top of the spa cover and the sides as well. This may cover many holes or thin areas all at once.
Protect your hot tub
If you’ve discovered that your hot tub cover’s broken, it’s best to repair it immediately to prevent further damage. It can certainly take up a lot of time and effort, though. Depending on the issue, it can take up to a full day to repair it.
Hot tub cover and maintenance shouldn’t be a stressful task. You can leave the repair to a Tasker if you need it fixed in a jiffy.
Book a hot tub repair professional through Airtasker and focus on preparing your next at-home spa session in your tub.
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FAQs on repairing a hot tub cover
Flex Seal can work on other leak issues in the household, but it may not provide a durable repair to your hot tub cover because it is exposed to heat and steam.
Choose a foam core that is thick, dense, and has 100% closed-cell polystyrene. This retains heat better than cheaper foam coats made of recycled foam. Quality foam core provides better insulation to the tub.
Check your hot tub cover periodically to know if issues need attention. Note that an outdoor hot tub is exposed to weather conditions such as sunlight—which can lead to discoloration and wearing out. The cover can turn porous, which lets water seep into the foam core during a rainy day. You can also check this hot tub maintenance guide for more info.
Use a dye or food coloring to color the water. Look for the darker water in the tub, as this indicates the leak location.
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