When wrapping PTFE tape around a thread each revolution or layer should over lap the last one by roughly a half to ensure a good seal.

The short answer to which direction do you wrap PTFE tape around a joint is that it should always run in the same direction as the thread itself. Hold the pipe fitting steady and rotate the hand holding the roll of tape around the threads to wrap them. The polytetrafluoroethylene tape range comes in gas grade and potable (drinking) water grade and is available in singles or multipacks. Teflon tape, properly known as “thread seal tape,” is used in the plumbing industry to seal the threads at the end of a pipe. Piping systems and additional piping that use oxygen need a specialized thread tape for their sensitive system.Don’t use any more than 3 layers of PTFE tape on a given joint as this can cause leaks Which way do you Wrap PTFE Tape on a Joint? This is a putty-like substance but unlike putty it doesn’t cure so therefore doesn’t dry out and crack.

Blue Monster PTFE Thread Seal Tape is a thicker, denser, general-purpose thread seal tape that comes in a monstrous 1,429" roll. When you pick the right type of Teflon tape and you use it for its intended application, you’ll find that it works extremely well. In the United States, standards have been set forth to help plumbers (and everyone else) quickly distinguish between the different specifications of thread sealant tape, so be sure you choose the right color. There are yellow and green varieties that are meant for gas and oxygen pipes, rather than plumbing connections.Of course, there are more uses to Teflon tape than just sealing pipe threads, and it goes by many names, too. PTFE tape is a valuable addition to anyone’s plumbing tool arsenal and can be used to quickly and easily resolve a great many problem leaks with the minimum of hassle, however when using PTFE tape you need to ensure you’re using the correct type of tape for the appliance or system you are working on. Winterizing your outdoor faucets properly can be done quickly and save you from a frozen plumbing problems later on. Although it may seem that you can use PTFE sealant tape with pretty much any water, fuel or gas system, this isn’t quite the case however as pretty much all compression fitting manufacturers recommend it should not be used on any form of compression joint. Applying Teflon tape may seem simple enough, but since it has no adhesive properties, you have to make sure you wrap it in the right direction and in the right spot or you could end up with a balled-up mess.