Do I Need To Seal And Stain My Deck?

Can you put sealer over deck stain?

Applying a clear sealer over a deck stain is never a good idea.

Applying a clear sealer or polyurethane over a deck stain will cause more problems than it is worth.

If you want a clear finish then you can strip off any old stain and start fresh with bare wood..

What happens if I don’t seal my deck?

But when it happens this wear will be evidenced by greying, as the top layers of the lumber oxidize from sun and rain, and also splintering, warping, rotting, and cracking. It may be many years before an untreated deck becomes completely unusable.

What is the best wood deck sealer?

Here are some of the best deck sealers on the market:Thompsons Waterseal Advanced Natural Wood Protector.ECO-SAFE Wood Treatment – Stain & Preservation by Tall Earth.Rust-Oleum Coppercoat Wood Preservative.CabotStain Australian Timber Oil Penetrating Oil.Thompsons Waterseal – Transparent Stain.More items…

Is it too late to seal my deck?

Usually, late summer and early fall are the best times for deck restoration and sealing. However, if your area experiences typically drier springtime weather or summertime temps that don’t get too hot, you can likely schedule deck sealing anytime between early April and late October.

How long after staining a deck can you seal it?

30 daysDO wait 30 days before sealing a new deck. If it beads up, the wood is still too wet to seal, but if the water is absorbed, it’s ready to seal. Be sure to apply sealant as soon as the wood is ready; leaving the deck exposed any longer increases the likelihood of both ultraviolet (UV) and moisture damage.

Can I put Thompsons Water Seal over stain?

And actually, the answer is YES—you can use our EMTECH water-based sealer or top coat over the oil stain. The beauty of all our water-based sealers and topcoats is that they’ll level and adhere to whatever solvent- or oil-based stain you’ve used.

How often should a deck be stained and sealed?

For most decks, sealing once each year is a good rule of thumb. Depending on the condition of your deck this can be adjusted, but keep in mind that you should never go beyond three years maximum before re-sealing and staining.

What is the longest lasting deck sealer?

Our Top PicksBEST OVERALL: SEAL-ONCE MARINE Penetrating Wood Sealer. … EASIEST APPLICATION: Eco Advance Exterior Wood Water Repellent. … BEST VALUE: Olympic Stain Smartguard Concentrated Sealant. … LONGEST-LASTING SEAL: Olympic Stain Maximum Waterproofing Sealant.

How long will an untreated deck last?

10 to 30 yearsA 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.

Does staining a deck protect it?

A good stain will protect the lignin with inhibitors that reflect or absorb UV and so combat sun damage. … If a deck has gone too long without being stained, odds are that the lignin has suffered UV damage and you’ll just be coating cellulose fibers that will quickly wear off – taking the stain with them.

What is the difference between sealing and staining a deck?

A deck sealer is typically a clear or transparent finish that either penetrates into the wood or forms a clear film on top. … A deck stain has the same water-resistant qualities that a deck sealer does. A deck stain, however, has added pigment or tone, which gives the stain some color.