Table of Contents
Applying Deck Sealer to a Wood Deck Step 1: Check the forecast. Step 2: Clear the deck. Step 3: Sand (if needed) Step 4: Remove debris. Step 5: Stir sealer. Step 6: Apply sealer. Step 7: Repeat & fine tune. Step 8: Let it dry.
What is the best thing to seal a deck with?
BEST OVERALL: SEAL-ONCE MARINE Wood Sealer, Waterproofer & Stain. BEST BUDGET: Rust-Oleum 9441 Ultimate Spar Urethane Oil Based. BEST FOR WATERPROOFING: Thompson’s WaterSeal Wood Protector. BEST WITH UV PROTECTION: DEFY Crystal Clear Composite Deck Waterproofing.
Does a wood deck need to be sealed?
Although the wood is resistant to rot and insect attacks because of the pressure treatment, it can warp, split and develop mildew if not protected from the effects of water. Jul 4, 1992.
Is it better to stain or seal a deck?
Sealing a deck is best for cedar, teak, mahogany, or other quality woods as it enhances the wood grain and natural color. Staining a deck protects the wood from mold, mildew, moisture, and rot, and UV rays and sun damage.
How do you seal a deck for the first time?
Apply the deck sealer with a natural bristle brush. A roller is faster, but brushing helps force the sealer into open pores and grain. Make sure to get the sealer into joints where two boards butt together. Apply the deck sealer to three or four boards at once, working their entire length.
What goes on first stain or sealer?
Once you’ve chosen a sealant strength, apply it to the end grain before you stain. Sand off any sealer that gets on the face of the board before you stain.
Do I have to seal my deck after pressure washing?
If your deck is in a great condition and you’re simply pressure washing it to remove dirt, dust or mold build up then there’s no need to seal your deck after pressure washing. As long as you don’t use too much pressure, washing won’t cause any damage to the surface of your deck.
Can you seal an old deck?
Depending on the desired look, you can spruce up a worn-out deck with a new stain or paint-based protective seal. You also need a clear weather forecast, as a paint-based sealant coating requires 48 hours to dry before being exposed to rain or extreme humidity.
How much does it cost to seal a deck?
Cost to Seal a Deck Sealing a deck costs $895 or typically between $551 and $1,277. You’ll pay $0.75 to $4 per square foot for both materials and labor. Labor alone makes up 50% to 75% of the total price. Cost factors include regional worker rates, complexity, size, prep needs and accessibility.
When should I reseal my deck?
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.
Should you pressure wash your deck before staining?
There is a common misconception that just pressure washing a deck prior to staining is all you need to do in order to prep your deck for stain. Pressure washing can help, but if you want your stain to last, using a good deck cleaner and brightener on the deck prior to pressure washing will provide you the best result.
How long do you wait to waterproof a deck?
DO 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.
How many coats of stain should you put on a deck?
The general rule of thumb is to apply only as much deck stain as the wood can absorb. Typically this will be 2 coats, unless your dealing with extremely dense hardwoods which may only be able to absorb 1 coat of wood stain.
How soon can you seal pressure treated wood?
A newly built deck that uses pressurized wood will need time to dry completely before a sealer can be applied. The chemicals used to treat the wood leave moisture behind, and depending on the climate, it can take anywhere from a few weeks to a few months until it’s dry enough to seal.
What temperature can you stain a deck?
Apply stain only at the proper temperature. For most stains, 70 degrees Fahrenheit is the optimum, with the safety range from 50 to 90 degrees Fahrenheit. Stains do vary, so check the label first. Avoid high humidity and staining on hot surfaces.
Can you put a clear coat 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 you don’t seal stained wood?
Wood is dried-out and dull if you do not apply some sort of sealer. Staining and finishing are two very different things. By applying pigments, a stain is meant to darken or dye wood, but the wood is not preserved by staining.
Do you seal wood after staining?
After staining wood do you have to seal it? After staining wood, you have to seal if because the wood remains a porous surface. If you’re just using a regular stain, it can provide some degree of protection compared to totally unfinished wood.
Do I need to seal wood before polyurethane?
To apply polyurethane in such a way that it actually performs its intended role, precision is key. If you’re going to cut corners, then you may as well skip the sealer. It’s an optional coating, after all. Perhaps the first thing to know is that there are two types of polyurethane: oil-based and water-based.
