The upkeep of your product is very important in ensuring the longevity of the product.
If your product is maintained and cleaned as per below suggestions the life span will be increased substantially.
In terms on maintaining the product it is suggested that the installed product should be washed down using a car washing liquid or similar diluted in water, using a cloth wipe the product down and then rinse with clean water, dry using a cloth. It is also suggested that once you have washed the installed product that you apply a lubricant spray such as silicone spray or similar. The closer that you are to the coast, so too, does it become more important to maintain the installed product on a more regular basis.