Tannin Staining: Pristine Finish on Your Paint Job

Tannin Staining

When it comes to wood surfaces finishing, both do-it-yourselves and professionals alike run into a problem known as tannin staining. Tannin staining is the phenomenon when the natural oils and tannins contained within the wood rise and seep through the paint or finish resulting in brown or yellow obscene marks on the surface. If you’ve ever observed discoloration on painted doors, trim, or siding, the chances are that the tannins are the culprits.

What Regions are Affected by Tanned Staining?

What is Tannin Staining? is commonly observed while painting hardwoods that are rich in cedars, redwoods, and oaks, mahogany as well. These species are abundant in natural compounds which have the tendency to seep to the surface, especially upon being wet. When wood is not properly sealed, the tannins can leak through several coats of paint, ruining the finish and the overall appearance.

A lot of people believe that adding an extra coat of paint would cover up the stains, but this is simply not right. Many people paint over these as they believe they would cover them up but without sufficient prep work and priming, tannin staining will temper back no matter how many layers you pile over it. This is the situation where professionals paint tanning staining understand that dealing with tannin staining requires the right techniques and products, which makes all the difference.

Preventing Paint Tannin Staining 

 To avoid paint understanding tannin staining, specialists suggest the following measures: 

  • Wash the wood surfaces thoroughly to eliminate dirt, mold, or previous finishes. 
  • Always apply a high-quality primer designed to block tannins. Oil-based and shellac based primers work best. 
  • Finish with either good exterior or interior paints depending on the surface. 
  • Moisture can still sneak in, so checking things regularly helps to catch problem areas early on.

For homeowners, dealing with tannin staining can be quite a hassle. That’s why a reliable contractor Bay Valley Painting ensures the job is done right the first time. Their experience with understanding tannin staining means they know which primers and paints to use, saving you time, money, and headaches in the long run.