TREX FENCING CARE & CLEANING GUIDE

While Trex fencing is manufactured to significantly reduce maintenance by eliminating staining and painting, and by virtue of the fact that Trex won’t rot, splinter, or warp, like any other outdoor material, it could require periodic cleaning.  We have provided guidance for care and cleaning to ensure your fence stays attractive for years to come.

We recommend a basic cleaning with a composite deck cleaner or combination of soap, hot water and a soft bristle brush. Ideal times to clean are just after installation and then on a semi-annual basis (typically spring or fall is most conducive with the weather). This will help to maintain the beauty of your Trex fence.

MAINTAIN THE BEAUTY

Follow the guide below to properly clean and maintain your Trex Fence.

Dirt and Debris
Clean the fence to remove dirt and debris. Soap, water, and a soft brush are all that is needed.

Chalk Markings
Most colored chalk lines are permanent. As an alternative to regular chalk, use either baby powder or Irwin Strait-Line Dust-off marking chalk available at irwin.com.

Water Spots, Leaf Staining and Wood Tannins
Tannin leaching occurs naturally in Trex and all wood based products. Allow at least 12 weeks of normal weathering for the staining to become less visible. This process may be hastened through the use of a product containing oxalic or phosphoric acid.*

Scuffs & Abrasions
Scuffs and abrasions can fade or disappear naturally after 12-16 weeks of weathering. If a reduction in the visibility of a scuff or abrasion is desired before the fence weathers, WD-40 can be applied as a temporary solution. Apply a small amount of WD-40 to a rag and lightly rub it into the affected area. Weathering can be accelerated with a product containing oxalic or phosphoric acid, such as a deck brightener.

Rust Stains, Ground-In Dirt and Grime and Pigment Staining
Use a cleaning product containing oxalic or phosphoric acid, such as Deck Brightener from Olympic, to lighten or remove rust or dirt. The product may need to sit on a stain 10-15 minutes before rinsing.*

Oil and Grease Stains
Rinse the stain with hot water as soon as possible. Use Pour-N-Restore as directed for any remaining staining (test in a small area first as the product may remove some of the colorant from the fencing surface).

Mold & Mildew
If your area is prone to mold and mildew growth, semi-annual cleaning (typically Spring and Fall) of your fence is important to prevent the build-up of pollen and other debris that can support the growth. Use conventional fence washes or cleaners that contain sodium hypochlorite (bleach) and detergent (refer to the Trex Mold Technical Bulletin for specific recommendations).*

Pressure Washer
Trex does not recommend the use of a pressure washer. The use of a pressure washer on fence surface could damage the fencing and will VOID THE WARRANTY with respect to any condition caused by the pressure washing.

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 products should be disposed with normal construction debris or household waste. Do not burn Trex products.

*Use of products containing bleach or oxalic/phosphoric acid will lighten the surface of Trex. Use in an inconspicuous area to determine if you like the effect. Neither product will affect the structural integrity of Trex composite fencing.

Are you looking for someone to do the work for you? Then check out our tips and checklists for hiring a composite fence builder. Or are you someone who actually reads how-to manuals? Then find links, demos and more.

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