While there is no guarantee you will ever be able to get the siding back to the way it was the steps below will give it a good attempt.
Bug spray stain siding.
For this reason we recommend spraying it at least once a year with a mold killer inhibitor like mold and algae killer.
They stain and the stains are permanent.
Lastly vinyl siding has a tendency to promote mold and algae growth.
This will indirectly stop the insect activity which in turn will cut down on the spiders too.
Try several different cleaners to find which one works best on the particular stain for your siding.
Pull the trigger and move the nozzle in an up and down or side to side motion.
Vinyl siding is very popular due to its durability and simple maintenance.
Insect stains and other debris can be removed by simply cleaning vinyl siding with household cleaners.
Outlast nbs 30 time released insect repellent additive for exterior stains and paints is designed for use with most exterior coatings.
Most pesticides strongly caution against spraying near unprotected siding and for good reason.
Start at the bottom of the stain and work your way to the top.
Moisten the area with water and then scrub it using the cleaning solution.
Chemicals that are commonly used outside such as deck stain insect repellent and asphalt can accidentally come in contact with your vinyl siding leaving behind yellow stains.
Fill a bucket with hot water and either add the cleaner to it or have it ready to go.
Remove insect stains from vinyl siding with simple cleaners.
Nbs 30 insect repellent will repel most ants cockroaches beetles mites spiders fleas ticks silverfish dirt daubers wasps ladybugs and carpenter bees.