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How to restore that old deck

By: Shannon Lee , Contributing Writer
In: Home Improvement Tips

Old houses have definitely been around the block a time or two. From the roof that was replaced years ago to the floors that are handsomely scuffed with time, there are things about old houses that bring more and more charm as they get older. A deck, however, is not one of those things. Decks are exposed to the elements day in and day out, suffer under ground-in dirt, scratches from lawn furniture, splashes from the grill, and so much more. It doesn't take long before the most handsome deck turns into a mere shadow of its former self.

But there is good news: Restoring a deck, patio, or porch can be easier than you think. The wide array of cleaners out there is sure to yield something that will work on your particular material, and the stains and sealants that are meant specifically for decks can give new life to that old platform.

What kind of cleaner should you use?

Before you move to cleaning the deck, you will need to ensure that the surface has no varnish or paint. That requires a heavy-duty chemical stripper, which can be applied with a stiff push broom, then washed away with a water hose.

If you want to go as simple as possible, a good cleaner can be created at home with water and simple detergent. This method takes a great deal of elbow grease, so most homeowners will opt for commercial cleaning solutions that get the job done faster. If you are dealing with a very old deck, a store-bought cleanser is likely your best bet.

You will have a choice between cleaners and restorers. The cleaners are simple: they have detergent, bleach, and possibly other additives, and the purpose is to clean the build-up of dirt and grime. Restorers have added ingredients, such as oxalic acid, which remove or even out streaks, tannins, and other discolorations.

Time to seal or stain

Look for a stain or sealant that repels water and UV rays, in addition to containing a mildewcide. Stains can be found in anything from completely transparent to solid colors, while sealants are often clear. Clear deck finishes allow the beauty of the wood to shine through, but they don't offer as much protection against the harsh effects of UV rays. Colored finishes, on the other hand, don't stand up as well to foot traffic as the clear ones do.

Another question is whether you should choose oil-based or water-based stains. Oil penetrates deeper into the wood, but water-based finishes are much easier to clean up. When applying the product, keep in mind that water-based can be used on wood that is slightly damp, but oil-based finishes must be applied when the wood is very dry.

When you are restoring an old deck, make sure that it is as clean as possible. This might mean getting down on your hands and knees and scrubbing hard between the boards, replacing any boards that are cracked or otherwise beyond help, and clearing away any bushes that have encroached on the deck in recent years. Apply the stain within a few weeks after cleaning, and then apply more the following year. Don't forget to stain or seal all sides of the wood, between boards, wherever you can reach.

The pros and cons of hiring a contractor

If your deck is in really poor shape or you are worried about its stability, it's a good idea to call in a professional contractor to handle the job. For a simple cleaning and staining, many homeowners choose to do it themselves, as the supplies are relatively inexpensive and easy to use. For very large decks or those that are caked over with dirt, grime, paint or other unsightly issues, a contractor can save you a great deal of time and make it worth every penny.

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