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Trex Decking & Railing General Care and Cleaning Guide (composite & PVC)

All exterior building materials require cleaning. Trex recommends basic cleaning with soap and hot water or a commercially available deck cleaner twice a year. This will help maintain the beauty of Trex decking, fencing, railing, and trim.

Problem Solution
Dirt and Debris Clean deck to remove dirt and debris. Soap and hot water is all that is needed.
Chalk Markings Most colored chalk lines are permanent. For Trex use either baby powder or Irwin-Strait line dust off marking chalk available here
Visible Printing The printing on the side of Trex decking boards are required by building codes. With careful installation, most printings can be hidden. Visible printings can be lightened with acetone.
Water Spots, Leaf Staining &Wood Tannins Tannin leaching occurs in Trex and all wood-based products naturally. Allow for at least 12 weeks of normal weathering. This process may be hastened through the use of a product containing oxalic or phosphoric acid, commonly known as Deck Brightener. *
Ice & Snow Calcium chloride or rock salt, available in many home centers, will melt ice on Trex decking. Rinse off when first practical. Use caution when removing snow or ice with a snow shovel, and never use a metal snow shovel on a Trex deck. A shovel may scratch the deck, which is not covered under warranty.
Scuffs & Abrasions Scuffs and abrasions can fade or disappear naturally after 12 – 16 weeks of weathering. This can be accelerated with a product containing oxalic or phosphoric acid, also known as Deck Brightener. *
Rust Stains, Ground-In Dirt & Grime & Pigment staining Use a cleaning product containing oxalic or phosphoric acid base, also known as Deck Brightener to lighten or remove the rust or dirt. Product may need to sit on stain 10 – 15 minutes before rinsing. *
Oil & Grease Stains Rinse the stain with hot water as soon as possible. Use Pour-N-Restore www.pour-nrestore.com as directed for any remaining stain (test in a small area first as this may remove some of the colorant from the decking surface).
Mold & Mildew Semi-annual (spring and fall) cleaning of your deck is important to prevent the buildup of pollen and other debris that can support the growth of mold.
Use conventional deck washes or cleaners that contain sodium hypochlorite (bleach) and detergent (refer to Mold Technical Bulletin on www.trex.com for specific recommendations). *
Note: Trex Escapes can be effectively cleaned by using a hose and warm, soapy
water with a soft bristle brush.
Pressure Washer Trex Company does not recommend the use of a pressure washer. The use of a pressure washer. The use of a pressure washer with a greater than 1,500 psi and/or applied closer than 12″ from the deck surface could damage the decking surface and result in a loss of warranty coverage.
Sanding Trex Company does not recommend sanding. Sanding will change the appearance of the surface of Trex® material and will void the warranty
Disposal Trex Decking and Railing products should be disposed with normal construction debris or household waste. Do not burn Trex products.

*Use of products containing bleach or acid will lighten the surface of Trex. Use in an inconspicuouse area to determine if lightening is ascetically unpleasing to you. Neither product will affect the structural integrity of Trex.

Note: Trex does not recommend the placement of rubber or vinyl materials such as those found in grill mats, rubber-backed welcome mats, vinyl or PVC potted containers, etc., on the surface of Trex Escapes® for extended periods of time. This is due to the presence of additives in the rubber and PVC products that have a tendency to migrate from these materials to Trex Escapes over time, resulting in discoloration of the surface.

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