Quick Answer: Should You Insulate PEX Pipe?

What are the disadvantages of PEX?

PEX Plumbing DisadvantagesPEX may leach BPA and other toxic chemicals.

PEX is extremely sensitive to UV light.

PEX can be damaged by chemicals and pests.

PEX can’t be installed in high heat areas.

PEX is semi-permeable, which means liquid can enter the pipe..

Is it OK to bend PEX pipe?

PEX tubing can be bent slightly to accommodate curves. But do not bend the tubing tighter than a radius that’s six times the size of the tube. For example, a 1/2-inch tube can have a three inch bend radius. All 90-degree turns should have bend supports.

Is PEX safer than copper?

PEX Tubing is much more resistant to freeze-breakage than copper or rigid plastic pipe. … Attaching PEX tube to fittings does not require soldering, and so eliminates the health hazards involved with lead-based solder and acid fluxes. PEX is also safer to install since a torch is not needed to make connections.

Why is PEX plumbing bad?

PEX failures Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation. Furthermore PEX pipe is vulnerable when it comes in contact with such solutions as petroleum products and oxygen. It can leach toxic chemicals from pipe material also.

Can you run PEX through floor joists?

Protect Your Pex Pipes that are encased in concrete (for in-floor heating, for example) are OK because the concrete holds them in place. And pipes running straight through wood studs and joists are fine too—just protect the pipe in areas where it bends as it passes through.

Is spray foam bad for PEX pipe?

I have had no problem with spray foam on PEX. Fireproofing caulk or foam is even required in some cases where it passes from one floor to another. … Stability of the PEX pipe should not be jeopardized providing the GREAT STUFF™ and GREAT STUFF PRO™ sealants are applied as per manufacturer’s instructions around the pipe.

Is PEX pipe banned in California?

Unfortunately for Californians, Pex is currently banned by the state. Despite frequent requests for approval, Pex continues to be denied and cannot get added to the list of approved materials when it comes to residential construction projects. Is Drinking Water from Plastic Piping Harmful?

Is White PEX OK for hot water?

White PEX pipe can be used for either hot or cold water. Gray PEX pipe, like white, can be used for either hot or cold water (although not all DIY centers carry gray).

Should you insulate PEX piping?

The protection needed to prevent PEX pipes freezing is the same as for all other piping materials. … If that’s not possible, then the pipe needs to be insulated — and in some cases wrapped with heat tape and then insulated.

Can PEX be insulated?

Pipe insulation is a prudent step to take. … Insulating PEX pipes offer its own unique set of challenges and considerations. That’s because PEX pipes—basically a type of plastic—are physically different from other common piping materials. They are very flexible and less prone to cracking.

How often should PEX be supported?

Long runs of PEX pipe have to be supported with proper hangers. It is generally recommended to fasten the tubing at every 32 inches when running it alongside a joist and at least every 6 feet if the tubing is supported by beams and running across them.

Why is PEX banned in California?

It was banned by California’s Building Standards Commission because there was a concern that some chemicals may leak from the pipe into the water. So, the authorities of California banned the PEX thinking that it may cause unnecessary exposure to chemicals or carcinogens which may lead to dangerous effects.

Is PEX safe for drinking water 2020?

The inner pipe for drinking water is made of a plastic called cross-linked polyethylene (PEX). There are no health risks associated with drinking water from PEX pipes. A few types of PEX-pipe may cause prolonged undesirable taste and odour if the water remains in pipes over time.

What is the lifespan of PEX pipe?

100 yearsAdditionally, long-term testing programs on PEX have shown that it has a potential lifespan of more than 100 years. So, while copper systems may have to be re-piped every few years or decades due to corrosion and pinhole leaks, a PEX system can last 10 times longer — or more.

Can you use PEX for hot water heater?

Can I Connect PEX to My Water Heater? PEX can’t be directly connected to a water heater.

Which is better PEX A or B?

Flexibility – PEX-A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting. PEX B is not expandable and you should never expand the end of a PEX-B pipe. Kink-Resistance – PEX-A has the greatest resistance, PEX-B the lowest.

Should I replace copper with PEX?

If it’s a small area that’s leaking, you could just replace that section with either PEX or copper. … Second, PEX costs less than copper. Coupled with the quicker installation, the savings over installing copper pipes can be significant. Also, PEX pipes don’t corrode like copper and aren’t susceptible to freezing.

Do professional plumbers use SharkBite?

They are a simple push connector. You’ll only use the tool to disconnect the fittings. The “tool” is a simple piece of U shaped plastic, slightly larger in diameter than the fitting. To answer your question, no, Shark Bite fittings are not recommended by professional plumbers.