Rainguard Water Sealer Reviews: Features, Pros & Cons

If you are looking for a water sealant to use on your home, Rainguard is one of the most popular options. It provides protection against mold and mildew growth while also protecting wood from rot and decay.

This review will take a look at how this product works, what it does for your home, and if it’s worth buying!

Rainguard Water Sealer Reviews:

Rain Guard Water Sealers SP-8002

Rain Guard Water Sealers SP-8002

This sealer comes with Micro-lock properties which makes the wood absorb this sealer properly.

This Rain Guard sealer is so protective that, once the wood absorbs it completely, no outdoor things can damage it whether it is heavy rain or ultraviolet ray.

Not only that, mildew, mold, salt, dirt, also cannot cause any harm to the wood.

It can be used on any porous wood surface, though porous surfaces require more solvent but with one gallon of this rain Guard SP 8002 you will be able to cover around 200 square feet of the wood surface.

It comes with a very low amount of VOCs, so it is very safe to be used around kids and pets.

It is a clear sealer so do not expect this sealer to improve or decrease the beauty of the wood. Clear coats are fully transparent and if the wood looks good, it will surely appear to be good.

However, most people want the sealer to enhance the beauty of the wood grain and unfortunately, this sealer doesn’t provide that.

When using this sealer you will have to make sure that the temperature is between 40 – 80 degrees Fahrenheit.

And if we talk about spraying, it can be applied by sprayer which is convenient. But you will have to choose a low-pressure sprayer for this sealer.

One thing to keep in mind, you cannot apply this sealer over a painted wood surface, the wood needs to be prepared and free from any paint. Before applying this sealer, sand the wood thoroughly and clean it.


Rain Guard Water Sealer can cover up to 200 square feet of wood with just one gallon. Keep in mind that for best protection, you’ll need at least two flood jackets.

rainguard water sealer effective

At the time of application, the temperature must be between 40 and 80 degrees Fahrenheit. Rain Guard Watersealer should be applied with a low-pressure airless sprayer, such as those used for lawn and garden goods, according to the manufacturer.

It prevents rot and deterioration on external wood. It also prevents the spread of mildew, mold, and other contaminants. This product works great on wood, but it may also be used on driveways, external walls, and pathways.

Defeats the Sunlight

UV-blocking stabilizers are included in this mix. When exposed to sunshine, the sealer will not yellow. A single application has a five-year shelf life. This promise is backed up by Rain Guard’s five-year warranty.

rainguard water sealer defeats the sunlight

Keep in mind that after just two hours, you can lightly touch and walk on this sealer. Allow at least 10 hours for the sealer to dry before allowing heavy foot activity. It takes about a week for the sealer to fully cure.

All of this is accomplished while staying completely eco-friendly thanks to the Rain Guard formula. This low-VOC, low-odor water-based solution is safe to use. A silane siloxane mix, Micro-Lok, and water are the key components.

A Few Restrictions

This sealant will not work on painted wood. Rain Guard products are not recommended for use on painted surfaces, according to the manufacturer.

Colored tints are also out because it’s only available in clear. You wouldn’t even notice it’s there because it’s colorless and textureless. To darken or tint the mixture, some customers add colorants.


  • Provides great protection from UV-ray.
  • Protects the wood from water.
  • Highly long-lasting sealer.
  • Easy to apply and mix.
  • Comes with a very low amount of VOCs.
  • Makes the wood mold and mildew-resistant.


  • It is a clear sealer.
  • The wood needs preparation before applying this sealer.


Rainguard’s water sealer is the only product you need to protect your home from leaks. With all of its features, it can help prevent damage and save money in the long run.

The company has been around since 1954 and their products are trusted by leading professionals like roofers, builders, realtors, and more!

So if you’re looking for a high-quality water sealant that will keep your basement dry or just want to be ready for storm season, contact us today so we can get started on installing this life-saving product at your house!

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