Prepare and Stain Composite Decks

Project Scenario

A homeowner has a deck made of Trex^®. It is faded. How does she stain it?

Trex^® is a combination of wood and recycled plastic. The plastic shields the wood from moisture and insect damage. The wood protects the plastic from UV damage and gives the deck a natural feel.

Preparation

• Clean all surfaces to be stained with Cabot Wood Cleaner #CAB800201 or Flood Stripper Cleaner #81381.
• Follow instructions on the label.
• Allow surfaces to dry thoroughly before coating.

Stain

• Stir product thoroughly before occasionally during use.
• Apply stain using a good polyester brush. Do not paint in direct sun.
• Stain small sections at a time and avoid lap marks. Start at one edge and follow through the end of the boards.
• Do three or four boards at a time.
• One coat is recommended.
• Wait at least 24 hours before using the composite deck. Actual time may vary due to film thickness and weather conditions.

Caution! Things to consider

• Composite decks should be weathered at least 6 months before staining.
• Maintenance: re-stain depending on exposure or wear every 2 to 4 years.
• On a deck (horizontal surface), one coat is good. Two coats are not better.
• Avoid direct sunlight during application to minimize lap marks.
• Do not apply if there is a possibility of rain in the next 24 hours.
• Always follow manufacturer's recommendations.

For more information about this or other painting tips & techniques, our paint & coatings products, or general DIY paint and coatings questions, please contact us online or by calling 1-800-452-2315.