General Question

zzc's avatar

How can I get candle wax off my dark brown, Trex deck?

Asked by zzc (1135points) August 31st, 2010

A large candle melted in the sun. I have a fairly large area, on my dark brown, Trex deck, covered a thin layer of wax. Is there anything I can do?

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3 Answers

marinelife's avatar

“Use a putty knife to remove the bulk of the wax. Then you can apply hot soapy water and blot it up. You might try a wax and grease remover. But first try it on a small inconspicuous area to assure there will not be any discoloration. We have had the best luck with our steam cleaner. Hot water and a little pressure will do wonders.”

American Deck Maintenance

Nicole8's avatar

1. Scrape excess wax from the wood with the back of a spoon, ice scraper, putty knife or similar object that will remove the wax without scraping the wood.

2. If wax has soaked into the grain of the wood or into the seams in the decking, use an iron to melt and remove the remaining wax.

3. Lay a sheet of plain brown paper such as a paper grocery bag over the area. Set the iron to low (no steam) and place over the bag on the waxy area.

4. Let the iron remain on the area for 10 to 15 seconds. Do not rub.

5. Lift the paper. Waxy residue should have lifted from the decking onto the paper.

6. If there is still candle wax on the wood deck, repeat the previous step using a clean section of the brown paper.

7. Melt away any remaining wax with a blow dryer and blot it up with a soft, clean cloth.

BrittanyM's avatar

Hello I am a representative of Trex. These are good suggestions but I would like to add our recommendations. Once you use a blunt object to remove the wax, you can clean the area with household detergents such as Shout or Dawn and hot water. We also suggest using non-petroleum based oil stain products such as Pour’nRestore found at This may lighten the treated area of the deck, which will fade over the next several weeks of weathering.

I would be happy to assist with further questions or concerns. I can be reached at 1–800-BUY-TREX or


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