Outdoor WPC deck maintenance

Ice and Snow

As with any walking surface, Seventrust deck products may become slippery in Winter weather. Take caution when walking on the your Seventrust deck in these conditions.

For ice removal, either rock salt or calcium chloride may be used without damage to the surface. However, either of these products may leave a white residue, which may be removed by either rinsing with water or a mild soap/water solution should achieve this. Use care and caution to not damage the surface of your deck when shoveling snow or ice off of it. Metal shovels or plastic shovels with a metal leading edge may damage the surface of your Seventrust Deck and are not recommended for clearing snow from deck/porch surface.

Dirt, Grime, Tannin and Mildew Stains

Seventrust products are formulated to inhibit mildew growth and minimize staining. Rinse off your Seventrust products periodically with a hose. Even if it appears clean, it is important to prevent build-up of pollen/debris. Mildew stains may occur where moisture, pollens, and/or dirt are present. Mildew needs a food source to grow, which can be grass, pollens, dirt, debris, wood and wood resins.

Maintaining a clean, dry surface is the best method for combating mildew. Ensure that water drains effectively from your deck. For Seventrust decking, be sure that gaps exist between planks to allow for drainage.

Like any wood-based product, Seventrust’s wood-plastic composite products may experience a naturally occurring process called Extractive Bleeding. This process may cause a temporary discoloration that will weather away. In most cases the weathering process takes 8-10 weeks but could vary depending on location and specific product application such as a covered porch.

If the stains have set on planks, you may want to use fine sandpaper and sand lightly followed by a wire brush to re-grain the decking. Always follow the wood grain finish of the plank. The sanded area will weather back in approximately 8-10 weeks but can vary depending on location and specific application.

Spot Stains

Many stains can be cleaned with soap and water. If the stains have set, the following cleaners have been found to remove or reduce the stains. Always follow the manufacturer’s instructions to achieve maximum results. Areas cleaned may lighten; this will require 8-10 weeks exposure to the sun to match the remaining product.

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