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LED Strip Lights

Waterproof LED Strip Light ( IP55, IP65, IP67) Buying Guide

LED strip lights are widely used, in households and offices. But on many occasions, we need to use waterproof strips. Such as in the bathroom, kitchen, outdoor, swimming pool, sauna, and so on.

Waterproof LED Strip Lights

Waterproof LED strip lights are designed with IP65, IP67, or IP68 grade waterproof rating. Therefore they can be used in wet locations. The IP code is an international standard for rating the water resistance of electrical equipment. In this article, we will discuss the different levels of waterproof ratings for LED strip lights and the advantages and disadvantages of each one.

    1, What is IP Rating?

    what-are-ip-ratings-what-is-ip65IP stands for International Protection Marking.

    The first number shows how well it can resist dust;

    The second number shows how well it can resist water flow;

    The third number shows how well it can resist water flowing from any direction.


    The following diagram will help you to understand the protection levels better corresponding to different values in IP rating.


    2, Why Do We Need Waterproof LED Strips?

    LED strip lights are widely used, in households and offices. But on many occasions, we need to use waterproof strips. Such as in the bathroom, kitchen, outdoor, swimming pool, sauna, and so on.

    rgb led strip light 2For example:

    LED strip lights can be used in the bathroom for decoration or to provide light for makeup.

    The kitchen is also a place that needs waterproof strips. You can put it on the ceiling and use it as a lamp or even as a decoration for your kitchen.

    If you want to install LED strip lights outside your home or office, then this is one of the best choices that you can make because it has high resistance to water or moisture. It will not be damaged due to rain or humidity if you want them installed outdoors.

    3, How Many Different Ways to Waterproof LED Strip Lights?

    KayTai is a professional led lighting manufacturer. There are different ways to waterproof led strip lights. If you want to waterproof the led strip lights, here we will introduce the silicone gel and silicone sleeve for waterproof of LED strip lights.

    IP55 Waterproof - Silicone Coating

    Waterproofing: Adding a layer of silicone coating on top of the strip. It prevents dust and moisture.

    IP55: 5 represents good dust-proof and touch protection, and 5 represents good moisture proofing.

    Application: Suitable for dry or wet areas, such as the living room, kitchen, and bathroom. It’s not recommended to use it where water can be splashed.


    IP65 Waterproof - Silicone Tube

    Waterproofing: Wrap the strip with a hollow silicone casing. Seal both ends with silicone end caps.

    IP65: 6 represents good dust-proof and touch protection. 5 stands for preventing spraying water from all directions.

    Application: Suitable for wet or water splashed areas for e.g. the kitchen, bathroom, eaves. As the casing is hollow, it’s not recommended for outdoor use.

    IP65 Waterproof - Silicone Tube+Silicon Injection

    Waterproofing: Wrap the strip with a hollow silicone casing. Then, fill the hollow casing with silicone to form a sealing effect.

    IP67: 6 represents good dust-proof and touch protection. 7 stands for underwater protection against water intrusion.

    Application: can be immersed in water, such as a swimming pool, or fish tank.


    4, What Material Can Make Waterproof LED Strips?

    This article will cover three types of waterproof materials, but before we start talking about them let’s understand why we need them and what are their pros and cons.

    When it comes to waterproofing, there are three most popular types of materials:

    • Epoxy resin
    • PU glue
    • Silicone glue

    4.1 Epoxy Resin

    KayTai Epoxy resin has the advantages of low cost, good maneuverability, and low toxicity. So, it’s a popular waterproof material for most cheap LED strips on the market. But there’s a fatal flaw in its molecular structure.

    First of all, its heat conductivity is poor, this will reduce the lifespan of the strip lights. Secondly, epoxy resin is easy to yellowing after half a year, this yellowing will affect the color temperature of the strip lights. Besides, the epoxy resin cannot resist high and low temperatures. It will harden and crack very easily under an ambient temperature below 0°C.

    4.2 Polyurethane Glue

    The cost of KayTai PU glue is higher than epoxy resin. It has better yellowing resistance, low-temperature resistance, and better thermal conductivity. But it’s toxic. When polyurethane adhesive is cured, it will produce some small molecular compounds. These compounds have a very bad smell and are not conducive to health. Secondly, it is not resistant to high temperatures. Do not use the strip with PU glue in places where the ambient temperature is higher than 80 ℃.

    4.3 Silicone Glue

    The cost of KaiTai silicone glue is the highest. It is an environmentally friendly material and has the advantages of both PU glue and epoxy gel. First of all, the heat resistance and low-temperature resistance are very good. The ambient temperature of -50 °~ 300° won’t affect its structure and performance. We can rely on Silicon LED strips for saunas and refrigerators. Secondly, the silicone glue will not turn yellow for a long time. This also ensures the long-term stability of the color temperature of the LED strip. It is particularly important for high-end lighting projects such as hotels, yachts, etc. As silicone glue has good thermal conductivity, it promotes the heat dissipation of the LED strip. But, we need to add aluminum channels for high-power (over 20 W) strip lighting for heat control.

    ItemEpoxy ResinPolyurethane GlueSilicone Glue
    Temperature resistance0-60℃-40-80℃-40-220℃
    Harden in low temperaturePerformance remained stablePerformance remained stable
    Heat conductivityLowHighHigh
    YellowingObvious after half a yearNoNo
    ToxicityLowHigh, bad smellNo
    Light transmission rate92%95%96%

    5, Tips to Use Waterproof Led Strip Lights

    5.1 How to Cut and Connect Waterproof LED Strips?


    Joining the LED strip with a connector is quite a simple job when you don’t need waterproofing.

    All you need is a connector, a plier, and an LED strip. Sounds easy, right? Here’s a video that will help:

    5.2 How to Soldering and Sealing Waterproof LED Strips?

    Soldering two waterproof strips can be a complicated task. It requires some skill so you may seek professional help for a start.

    Look at this video to learn how to join two waterproof LED strips together.

    5.3 How to Install Waterproof LED Strips?

    In terms of installation, there is a common process for waterproof and other LEDs. It’s not too complicated either. However, you have to closely follow the steps to provide more effective results in the longer run.

    Here is a short video to help you install your waterproof LED strips.

    Waterproof led strip light is a very good lighting product.

    They have many waterproof ratings, for example, IP65, IP67 and IP68, which means it is dustproof, water resistant, and even waterproof.

    Waterproof led strip light has many advantages.

    First of all, it is resistant to water, which makes the installation easier.

    Secondly, because it is waterproof, you can use it in wet places like bathrooms or kitchens without worrying about water damage. It also protects your investment when you install it in outdoor locations such as patios or decks where there may be rain or snowfall every day.

    Thirdly, waterproof led strip lights can be used in outdoor locations because they are made of high-quality materials that are weatherproofed to protect them from dust and moisture damage while they are being installed outdoors. This allows you to use them in areas such as garages or outdoor kitchens where they might get wet due to rain or snowfall during the winter months when it gets cold out at night time.


    In fact, a waterproof led strip is not just a simple lighting product, it also has other features. There are a lot of models of the waterproof led strip which give you different specifications and designs. So if you want to choose the best waterproof led strip light, you should know them first.

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