Sanding and stripping are the two most popular methods of removing a finish from decking and returning it to bare wood. in this video we will tackle on a popular spring and summertime time deck refinishing project. Ill show you how to clean your deck, strip the old deck stain, sand the deck and apply the new deck. How to clean and seal your deck - promaster home repair - duration 814. 48 per square foot, but can vary significantly with site conditions and options. See typical tasks and time to refinish a deck, along with per unit costs and material requirements. See professionally prepared estimates for deck refinishing work. Decks covered in old, peeling paint can diminish the appearance of your landscape and exterior living areas of your home. If you have a varnished or painted wood deck and want a stained wood deck, you must first strip the paint or varnish off the deck surface using a chemical stripper. This will be followed by cleaning and sanding before applying a new stain finish. If you are simply painting, however, the process is relatively simple clean and sand, then repaint. first, scrape off as much of the old solid color deck stain as you can with a paint scraper as a deck stripper. As you scrape the wood, reset any nails or screws that stick out from the wood surface. Next, strip the deck with a special deck stain remover (1 gallon covers 100 sq.). Making your own homemade deck stripper enables you to transform the look of your wood deck without using harsh chemical strippers or expensive commercial products. Stripping the wood removes the old coating and allows you to stain, seal or paint the deck to revive its attractive look. In this 2-part series, i show how i stripped, cleaned, repaired, stained and sealed our old deck from start to finish for cheap! For part 2 of the series, click here. When we bought our house in the spring of 2016, the stain on the deck was already flaking off and i knew i would have to refinish it at some point. Fast forward a year (2017), and there are now rotting boards on the deck floor. The first step is to strip off the old finish and clean up the wood. While the second is to paint, stain or finish the newly cleaned surface.