How to Treat a Cedar Deck


Cedar is an ideal material for a deck. It has a beautiful reddish brown hue and is naturally rot resistant. However, cedar should be sealed with a clear penetrating sealant to prevent the weathering process from discoloring the wood over time. You will want to seal your deck at least once a year to keep it looking as beautiful as the day it was installed. It is important to start with a clean, dry surface when treating your deck with a clear sealant in order to have a lasting finish.

Things You'll Need

  • Oxygen bleach deck cleaner
  • Scrub brush
  • Bucket water
  • Paint roller
  • Roller pan
  • Stain brush
  • Clean the surface of the deck clean with an oxygen bleach deck cleaner and a scrub brush. Rinse the deck off with water. Allow the deck to dry completely.

  • Test the surface of the deck to make sure it is dry by dropping a few drops of water on the surface. If the water beads up, it is too wet. If it soaks into the surface quickly, the deck is dry.

  • Pour clear wood deck sealant into a roller pan. Roll on a coat of clear wood deck sealant with a paint roller onto the deck boards in the same direction as the grain. Brush over the surface where you rolled the sealant on using a stain brush to work the sealant into the wood and remove any excess. Continue in this manner until the entire deck is sealed. Wait at least eight hours and apply a second coat. Allow the sealant to dry 72 hours before using the deck.

Tips & Warnings

  • Seal your deck in late spring and early fall.
  • Follow safety precautions on the sealant carefully.

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