Blue Water Dripping Off Siding

Some areas were extremely heavy while others were just a single streak.
Blue water dripping off siding. Water runs down the siding and can collect in the j channel. Since water runs downward unless it s being driven by strong winds the standard method for creating water resistant vinyl cladding is to start at the bottom and work up. Bear in mind that vinyl siding is designed to keep out water that falls from the top down. The extra thickness of the vinyl.
If you train the hose so it shoots water upward into the bottom or vertical laps of the siding it might. At some point in the past an owner had vinyl siding installed over old siding. Water should not be allowed to run down the siding. It can get behind the siding and cause serious problems within the walls as well as leakage in the basement or crawl space.
Water quality and even improper electrical grounding hasten corrosion adding excessive amounts of dissolved copper to the water coming out of fixtures. If there is no way for it to drain the channel holds this water along with any dirt that was on the outside of the house. Mild soap and water with a soft scrub brush is sufficient for general dirt and grime. Zinc and is caused by the corrosion and dissolution of the metal itself.
If you see the stepflashing drain behind the siding the paint under the butts will keep it from draining out and still if the lap is below the first stepflashing all the water will drain behind. Rainwater leaking from a gutter ends up behind siding and causes a wall to rot. During a very heavy 2 days of rain water began running from between pieces of siding. J channel is a poor design if not flashed well it allows water to get in behind siding.
Significant water buildup can lead to leakage behind the channel and siding.