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A pinhole leak is a very small hole that will grow start
in piping creating a misting or stream of water to blast outward. Generally these leaks build due to the water pipe eroding from within. There are numerous of explanations that explain why a leak develops. Some of the main components that cause a leak include age, your towns water pressure, the volume of minerals associated with your water supply, exactly how the pipes are put together (i.e. elbows, bends, turns etc.), what time of year you are in, and just how the plumbing was put in.

Pin hole leaks in copper pipe
In most situations the leaking manifest close to the water main inside your home. It occurs near the water main because this is the place that the water pressure is at it’s highest in the house. Exactly like how water over time can cut deeper into rock creating erosion. It also can corrode within your water line. It slowly breaks down the interior of the water line until it finally gushes through the pipe.

Copper pipe breakdown
Across the US in many states and cities, there’s excessive water pressure with numerous minerals in the water. These causes coupled with the usual age of your home between 25-40 years old suggests that we have a large volume of pin hole leak calls in recent years. High substance content in the water supply may well cause many different piping concerns. Anything from water heaters to faucets and pipes are influenced by the excess minerals. Softening your water supply does not help significantly either. Conditioning water doesn’t eliminate most minerals that can be present in the water.

Pin Hole Leaks in Pipe Fittings
Almost all of the variables that create pin-hole leaks can’t be avoided. We cannot modify the organic mineral levels or temperature of the water entering our homes. Numerous leaks happen at or near a joint. In other words the place where the connection is. This could be an elbow fitting or maybe a pipe attachment. Any time water goes by the pipe joint there is always turbulence. The water whirls and revolves while it passes through the fittings. Preventing this is to some extent inescapable. The disturbance causes water to erode the water line from within.

Erosion in Pipe Fittings
Any time a leak comes about at a fittings it may be a result of the installer failing to ream out the copper after cutting it. When a copper pipe is cut with a pipe cutter it gets pinched as it’s being cut. This creates a lip on the inside of the pipe. This lip can exaggerate the amount of turbulence that occurs at the joint. Often a pipe that has multiple holes generally occurs due to the installer not reaming out the pipe after cutting it.

If you get a pinhole leak what should you do?
Chances are good that if you are continually having to repair different pinhole leaks, you will want to seriously consider a full Copper Repipe. It is the only way to prevent a pinhole leak from reoccuring because of poor water quality. Repipe Specialists is the preferred service provider for full copper repiping. They provide free on-site estimates and can even assist in upgrading your fixtures and additional improvements like a tankless water heater. Their services are about half the cost of a local plumber and always backed by a lifetime guarantee.