A broom and a hose or power washer[2] X Expert Source Varga GulshaniResidential Painting Specialist Expert Interview. 12 January 2021. Cleaning agent, such as trisodium phosphate[3] X Expert Source Varga GulshaniResidential Painting Specialist Expert Interview. 12 January 2021. A bucket and water A stiff-bristle brush with synthetic bristles Soap and water to remove mildew A paint brush, tray, and roller Sandpaper Painter’s tape A waterproof deck finish Rubber gloves and protective clothing
A waterproof finish (not just water-resistant) to protect it from the elements. UV-resistance to protect it from the damaging rays of the sun. Protection from water damage (it will contain a mildewcide). [7] X Research source Insecticide if your home is prone to wood-eating bugs. [8] X Research source
Before emptying your deck, you might want to clear a space below, in the garage, or in the basement where you can store your deck furniture for a few days while your refinishing project is underway.
Sand down any areas where splintered wood way cause slivers. Tighten down loose screws and hammer down popped nails. [11] X Research source Replace single boards that have split or broken.
Don’t try to refinish the deck on a sunny day, as applying your refinishing product in direct sunlight will make it dry too quickly, which will cause lap marks, and prevent the stain from absorbing into the wood properly. You should also have a look at the long-range forecast to help choose a day when it won’t be raining.
Scrubbing will clean off dirt, mold and mildew, old paint or stain, and grime. It will also help open the pores in the wood so that your finish will penetrate more deeply. Be sure to wear rubber gloves and safety equipment when working with heavy-duty cleaners. It is generally not necessary to actively strip old stain or sealer from a deck. [13] X Research source You can also clean your deck with a two-part cleaner and brightener. This is designed to balance pH, and it also removes mildew, algae, and previous transparent finishes. [14] X Expert Source Varga GulshaniResidential Painting Specialist Expert Interview. 12 January 2021.
Concentrate your pressure washer use in the corners and areas where it was difficult to reach when you were scrubbing. [17] X Research source
Start in an inside corner closest to the house if possible, and apply the stain parallel to the boards (in the direction of the wood grain). [21] X Research source Work your way toward the stairs, and then refinish the stairs starting at the top and working your way down. Use a brush for delicate areas along the house or near other edges where you don’t want to paint the adjoining surface.
Note that some products have to be applied while the first coat is still slightly wet in order to absorb into the wood properly. [24] X Research source