Is it better to seal or stain a deck?

Staining a new deck will provide a more uniform color or tone to the wood, while sealing will help maintain the natural color. However, wood that is sealed will still fade over time but will continue to show the natural wood grain.

What is the best way to protect a wood deck?

The best preventative measure you can take to protect your wooden deck is to use wood sealant. Clear wood sealants are a great way to maintain the natural beauty and wood grain while still preventing damage from rot, mold, and other weathering.

Does sealing a deck make it last longer?

Additionally, a sealer can provide UV protection to slow the rate at which your deck's color fades. So while the pressure treatment process does provide a certain degree of protection, sealing your pressure-treated wood will help it to look better and last longer.

Does staining a deck make it last longer?

Better, Lasting Coverage

While staining may take less time than painting, painting often does a better job of filling the cracks, covering imperfections, and provides longer lasting protection. Paint also is typically more rot resistance and does a better job of preventing mold and sun damage.

What is the difference between deck stain and sealer?

Unlike sealers, stains penetrate into the wood. Like the name suggests, a wood stain contains pigments that physically change the wood's color. This gives the wood protection against harmful UV rays. Stains also have the same beneficial water-repelling qualities.

When to Seal or Stain a New Wood Deck

Do I need to seal my deck before staining?

Most of the time, stains also contain a protective sealant. It's a good idea, though, to re-seal your deck (or check that it needs to be re-sealed) once a year. Water-based stains can adhere to water or oil-based coatings already present on the wooden surface.

What happens if you don't seal your deck?

It is highly unlikely that the deck will rot, splinter or decay if you choose not to have it finished and you can always choose to stain and protect the deck at a later date. If you choose to revitalize the natural color of the wood, we recommend our two-step maintenance clean.

What is the average lifespan of a deck?

Traditional wood deck: Typically 10 to 15 years. Capped composite: Industry experts agree these boards can last 25 to 30+ years. Capped polymer (the best of the best): Because of its superior material composition, capped polymer boards can last much longer, potentially 50 years or more.

Should you stain both sides of deck boards?

In summing up, it is not necessary to stain all 4 sides of deck boards. But you definitely want to stain all the exposed wood like the top and sides of each board to reduce weather damage.

How much does it cost to stain a 12x12 deck?

A 12x12 deck costs $226 to $582 to stain when paying someone, or $59 to $176 to stain it yourself. A gallon of stain costs $20 to $50, which covers 200 to 300 square feet. Get free estimates from deck staining companies near you or view our deck stain cost calculator below.

Does wood stain also seal?

Yes, sealing wood after staining it is essential to protect it from damage and discoloration from foods, liquids, human touch, and piercing objects. While wood stain may seal the pores and offer some protection from moisture and water damage, its primary purpose is to color natural wood.

Do I need to sand deck before sealing?

Once dry, these wood fibers can remain raised and may cause splinters. For this reason, light but thoroughly sanding your wood deck is a necessary step before staining or sealing. This crucial step will ensure that your refinishing job gives great results.

Does staining a deck protect the wood?

Most people use sealers or stains to protect exterior wood from the elements. Surfaces such as decks, wood siding, fences, and so on need a protective coating to keep from weathering so fast. A deck sealer is typically a clear or transparent finish that either penetrates into the wood or forms a clear film on top.

Do decks need to be sealed?

A backyard deck can be the perfect platform for good times, but a wooden surface needs a proper sealant to protect it against the ravages of sun, rain, and temperature fluctuations.

Should you seal a pressure treated deck?

Although treated wood is protected against decay and termite attack, the application of a water-repellent sealer to all exposed wood surfaces is recommended upon completion of construction. This sealer will help control surface checking (splitting or cracking) and provide an attractive appearance.

What is the longest lasting deck sealer?

Q. What is the longest-lasting deck sealer? An oil-based deck sealer, such as Varathane Ultimate Spar Urethane Oil Based, will protect a deck for up to 5 years.

How much should I pay to have my deck stained?

Average Cost to Stain a Deck

The cost to stain your deck typically ranges from $540 to $1,050 with an average of just over $700. This equates to an average cost of $2 to $4 per square foot for labor and materials. Higher-quality stains will run up the price, as will washing or sealing the wood prior to staining.

Can I seal between deck boards?

While you might be tempted to fill in gaps in your decking with wood filler or caulk, the natural movement of the boards can eventually cause the materials to break loose and make the gaps even worse. However, you can use rope to easily fill the gaps.

Should I stain my pressure-treated deck?

Pressure-Treated Wood Needs Protection

Applying stain to pressure-treated wood offers an additional level of protection that homeowners don't want to be without. Stain offers another layer of much-needed protection from insects and decay, as well as from mold and mildew.

How often should you replace your deck?

A typical wood deck can last anywhere from 15 to 40 years. This will depend on the materials used and the quality of routine maintenance performed. However, if your deck is showing signs of age and is over 20 years old, you should begin considering a deck replacement.

How long will an untreated deck last?

A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years.

How do you know if your deck needs replacing?

Can you leave your deck unstained?

It may be many years before an untreated deck becomes completely unusable. However, a deck that is properly sealed and maintained with a yearly maintenance program consistently outlive a deck that is left to its own devices by a significant margin.

What is the difference between wood stain and wood sealer?

A sealer goes on clear or transparent to show the grain and the natural wood color. It prevents water from being absorbed and causing rot. Whereas a stain will do much the same as a sealer but also has a pigment added that blocks UV rays that can dry out the wood, causing it to crack or check, and gray.

How long after power washing can you seal a deck?

Sand Your Deck Before Sealing

After you've pressure washed your deck, you'll need to wait for it to completely dry. Sometimes, this can take as long as 48-hours. Once it's dry, you'll want to sand your deck lightly. This is necessary to remove any splinters or fuzzy patches that pressure washing can cause.