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The average cost to power wash, stain, and seal a deck is $1.57 to $4.04 per square foot. A 12×12 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.
Can you pressure wash and stain a deck in the same day?
DPI Pressure Washing recommends you wait 72 hours following cleaning to stain your deck. Always inspect the wood before staining it. If you see moisture or some swellings still apparent in the fibers, wait another day or two. Remember that staining a wet deck will result in an uneven finish at best.
Should you power wash before staining a deck?
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.
Is it better to sand or power wash a deck?
DO sand your deck before sealing. At that point, lightly sand the surface to remove splintery or fuzzy patches caused by pressure-washing the deck. A pole sander with 80-grit sandpaper will suffice; a power sander is overkill. Then seal the deck to protect from cracking, cupping, and warping.
How long should I wait to stain my deck after washing it?
After a deck has been power washed it will have some retained moisture within the wood. It’s important to let the wood dry thoroughly so none of the water that soaked into the wood gets trapped under the stain. In perfect drying conditions, 48 hours is enough for the wood to get to where it needs to be before staining.
Why you shouldn’t powerwash your deck?
Wood decks are especially vulnerable to power washing, because the pressure exerted by the power washer can lead to splintering. If there is any area on the deck where the wood is already beginning to split apart, power washing it will exacerbate the problem and cause the split area to expand.
Do you have to stain a deck after power washing?
As a general rule, you should wait at least 24 hours to stain a deck after power washing. You want the deck to be completely dry before you put any sort or coating on top. Waiting 24 hours makes sure that your deck is completely dry, but really, once it’s dry, you’re ready to stain.
Is it better to paint or stain an old deck?
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.
Should I stain my deck?
Many homeowners wonder, “How often should I stain my deck?” To keep a deck looking great and prolong the life of the wood, a deck should be stained every two to three years. Other signs your deck needs staining are: The deck has mold or mildew buildup. Water soaks into the deck boards and no longer beads up.
How many dry days do you need to stain a deck?
You will want to set aside a minimum of two days, including drying time. If your deck needs to be power washed, or if the boards on the deck need replacing, you may want to set aside another extra couple of days. Be sure to have all of your supplies ready well ahead of time.
What if it rains after I stain my deck?
If it rains within 48 hours after you apply the stain, the water will soak into the wood pores and try to displace the stain. This will result in a splotchy surface rather than an even tone. If it rains right after you apply the stain, the stain will peel and flake off.
What if it rains after I power wash my deck?
If it looks like rain, cover the deck in a tarp to avoid extra seepage. If standing water is left after you power wash and scrub the deck, squeegee it off the surface of the wood or soak it up with towels to avoid soaking into one place.
How much does it cost to powerwash a deck?
The average cost to power wash a deck ranges from $119 to $244 with most homeowners paying around $0.35 per square foot. To power wash, stain, and seal your deck, expect to spend between $0.50 and $1.50 per sq. ft. or $0.95 per sq.
Can you ruin a deck by pressure washing?
A pressure washer is a straightforward machine that can clean very well with only water. However, it can ruin your deck if it’s not used properly. If you use it with too much jet pressure or place the tip too close to the surface of your deck, you can deeply etch the wood and cause the fibers to splinter.
When should I powerwash my deck?
Generally speaking, a good principle is to have the deck pressure-washed when the temperatures remain above 52 degrees both at night and during the day without rain or other condensation for several days. This allows the deck to dry as quickly as possible.
