Garden decking Care and Maintenance

Take care not to pierce the boards with pointed objects such as the spike of a parasol. This can deform the surface or leave marks. Wipe up spills of oils, organic solvents or fuel immediately. Do not leave rusting objects for long periods of time on a Seventrust surface, as they may leave stains that are difficult to remove. You should not bite or lick Seventrust , even though its components are not harmful to health. Once a year, or after the passage of destructive natural phenomena such as heavy storms, tornadoes, or earthquakes, we recommend you inspect your decking to detect any resulting problems (detached screws, cracks or splitting) which could be a danger to users.

The lowest water absorption rate in fresh and salt water.

Testing proves that the water absorption rates of some garden decking products may increase significantly when exposed to water for an extended period. Garden decking products with higher water absorption rates can experience dimensional change, decreased mechanical performance and are more susceptible to mold. When submerged in salt water, some products had an increase in their water absorption rates of more than 90%. That degraded their structure and their performance.

Important Considerations

• Ensure minimum 6"" ventilation under deck and required spacing between decking boards.
• Improve drainage or grade soil to eliminate standing water under decks.
• Direct downspouts, downspout extensions and splash guards away from decks.
• Position dryer vents away from decks.
• Maintain a deck that is dry and clean.
• Clean your deck as often as needed, at least twice each year.
• Use extreme caution with pressure washers and use at pressures less than 1,500 psi at 12"" above deck surface.
Pressure washing is not recommended when mold/mildew are present on the deck.
• Keep debris out of gaps between the decking boards so rain showers can remove pollen and organic debris between cleanings.
• Minimize the use of wet mulch up against the deck structure.
• Items stored directly on top of the deck surface, such as flower pots, prohibit water evaporation and can cause some staining of the deck surface.
• Use of wrought iron railing or other carbon steel materials in contact with or above an uncapped composite deck surface may cause dark extractive staining.

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