WPC Decking Plank Colour DevelopmentPosted on 11:39 pm | Posted in WPC Decking Blog | Posted by
Composite decking plank is defied and as a platform either attached to a building, or unattached, as in the case of boardwalks, walkways, piers, docks, and marinas. The WPC decking market includes deck boards, railing systems (consisting of a top rail, balusters, bottom rail, and posts), and accessories, such as stairs and built-in benches.
WPC Decking Plank Colour Development
SSTIC WPC decking plank stands out due to their high colour resistance. However, wood is a natural product and is subject to colour variations, which can become noticeable depending on the weather, especially in the period after installation. The basic colour of the decking, which is derived from the dyed polymer component, is nevertheless retained in the long term and reflects the product’s colour character at any given time. The reaction of the wood component lignin with the UV part of sunlight causes a yellowing of the wood fibres to occur in the surface layers of the decking planks. However, discolouration which occurs in this way is washed out again by the effect of water (e.g. rain, cleaning with a high pressure cleaner) within the first few months. The wood fibres then go through the raw greying process. However, the discolouration described does not impair the mechanical properties of the SSTIC WPC decking system in any way.
Discolouration resulting from the movement of objects (for example flower pots) also goes through the geological greying process. You can accelerate this natural process by spraying the surface with water within the first 8 to 10 weeks after installation.
Subsequent removal of the greyed fibres by means of high pressure cleaning with a piercing nozzle pressure or by sanding the surface only leads to a brief lightening of the wood particles. The process of yellowing and greying then starts all over again.17 comments | Comment has been closed
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