Refinishing a sink is a feasable do it yourself project. I will take 6-7 hours of your time to properly prepare and apply the new finish. If you have patience and do it correctly you can save about half the cost of a professional job. It is not recommended for kitchen or high traffic bathroom use.
If you go to your local Home Depot, they will provide you with a list of tools needed for a sink refinishing. Then they will take you throughout the store and pick out the tools needed, and give you instructions on how to use them.
You can get information on bathtub refinishing at many places online. You should try www.diynetwork.com/how-to/how-to-refinish-a-b or www.refinishingonline.com/
A tutorial on refinishing wooden furniture can be found online at Do It Yourself's website, including a five step guide. Lowes is also a good website containing refinishing wooden furniture tutorials.
The best job would most likely be done by companies that actually specialize in sink, bathtub, and tile refinishing and restoration. As refinishing your sinks would be an investment in your home, it would be well worth the extra cost to hire professionals with an expertise in that area.
Homax Tough as Tile spray offers benefits such as easy application, durable finish, and cost-effectiveness for refinishing surfaces.
To refinish a porcelain sink, start by cleaning the sink thoroughly with a non-abrasive cleaner. Next, sand the surface to remove any imperfections. Apply a bonding agent and then a porcelain refinishing kit, following the manufacturer's instructions. Allow the sink to dry completely before using it again.
Some creative ways to update an old bathroom sink include replacing the faucet with a modern design, adding a decorative backsplash, painting or refinishing the sink, installing a new vanity or countertop, and incorporating stylish accessories like a mirror or lighting fixtures.
To connect a sink dishwasher adapter to your kitchen sink for easy installation of a dishwasher, you will need to attach the adapter to the sink's faucet and connect the dishwasher hose to the adapter. Make sure to follow the manufacturer's instructions for proper installation.
Replacing a bathroom sink is fairly easy and definitely worth it for you to do for yourself. You can find instructions on how to replace it here: http://www.ehow.com/how_2099972_replace-bathroom-sink.html
Some options are cleaning it. And refinishing it with eproxy and what not.
Chalk paint is popular for furniture refinishing because it requires minimal prep work, adheres well to various surfaces, dries quickly, and allows for easy distressing and layering for a unique finish.
Bathtub refinishing falls under home renovations, and so a useful place to find information on this subject is in home renovation books. Such books will discuss the option of doing the job yourself, or getting it done professionally.