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Plumber ’s tape is known by a variety of names — Teflon tape , thread tape , or PTFE mag tape — but disregarding of what you call it , this type of bathymetry tape is substantive for ensuring neat , leak - free connections when working with threaded pipe and accommodation . Plumber ’s tape is made of polytetrafluoroethylene ( PTFE , aka Teflon ) , which serve it make a watertight seal between wander link .
When plumber ’s tape measure is envelop around the male thread of a piping or fitting , this layer of Teflon fills the gaps between the threads and prevents pee from seeping through . However , if plumber ’s tape measure is not applied right , it may fray or bundle up when you screw in the threads , destroy the seal in the unconscious process . Use this guide to learn how to use plumber ’s tape the right fashion .
Photo: Oatey
What Is Plumber’s Tape Used For?
Before pick up a roll of plumber ’s tape , it ’s worth finding out exactly how to expend Teflon tape in bathymetry . While plumber ’s tape does help preclude leak , it is n’t anemergency plumbingtape for leaks that already be . Instead , Teflon tapeline is an “ incredibly effective tool for creating a tight cachet around wander pipe joints , ” say Dustin Smith , Founder and Master Plumber atSmith ’s Plumbing Servicesin Memphis , Tennessee . “ Plumber ’s tape recording is a slight , plastic tape surface with PTFE , a textile know for its nonstick holding . PTFE serve prevent leaks by creating a barrier between the threads of the piping and the meet , ” he explicate .
Plumber ’s tapeline has many uses for residential plumbing system , including :
Before You Begin
There are a few things that are significant to be aware of before learning how to apply plumber ’s tape . First and first off , pipe thread are sharp . If you are n’t careful about how much air pressure you apply , you may end up rationalize your thumb or finger . Also , you should typically twine the pipe fitter ’s tape about two to three multiplication around the screw thread . outstrip this amount can prevent the threads from fold the right way , lead to leaks or even damaged connection . Additionally , you should never burn or heat up plumber ’s mag tape , as the result gas can be risky in envelop spaces .
Smith notes that “ plumber ’s tapeline is typically sell in rolls of various widths . The most common widths are 1/2 column inch , 3/4 inch , and 1 inch . ” Generally , you would use ½-inch mag tape for ¼-inch to ½-inch pipage , ¾-inch tape for ¾-inch organ pipe , and 1 - in tapeline for pipes that are 1 inch or dandy in width . polytetrafluoroethylene tape also comes in several different colors based on the specific design of eachtype of tape .
STEP 1: Clean the threads of the pipe and fittings.
First , ensure the threads of the tube and fittings are completely clean and free of debris . Even a little flake of dirt can prevent the tape from form a watertight seal . If the yarn appear dirty , spray them with an all - intent cleaner , then habituate a soft cloth to clean them .
While plumber ’s tape iswaterproof , if piss gets trapped in the threads it can prevent the mag tape from creating a complete seal , so be sure to make clean both the male and female threads and provide the threads to dry before applying the tape measure or attempting to link up the fittings .
STEP 2: Line up the tape with the second thread on the male pipe.
site the start of the manful pipe ’s thread , as the tape will be applied in line with the second yarn from the ending of the tobacco pipe — the first thread should be left unveil . This lead off position helps prevent excess tape measure from spilling over the end of the pipe and blocking the flow of the water . Overwrapping a pipe can prevent its threads from forming a tight seal and may put pressure on the fitting from the outside , potentially contribute to wetting and damage .
Grab the tape with your dominant script and bear the male piping in your other helping hand , line up the tape measure ’s edge with the 2d screw thread . As you enwrap the pipe , use your thumb to smooth down the tape so it pose completely flat against the train of thought .
STEP 3: Apply the tape in the direction of the threads.
carry on wrap up the tape around the pipe , following the guidance of the threads for a arrant seal once you chicane on the valve or meet . Each unexampled wrap should overlap the former wrap by about half the width of the tape .
For most residential plumbing , aim for about two to three wraps of plumber ’s mag tape , ensuring that you are enclose the tape in the direction the threads spiral . While most pipe threads go clockwise , it ’s always a good idea to double - check the management before you start wrapping the tape .
STEP 4: Press down the tape and tug to break.
Once you have enfold the tape around the threads , use your quarter round to crusade down the tape , smoothing it out against the threads . Ideally , the tape should press tightly between the thread , allowing you to see their shape clearly . If there are any bubbles , bunched up edge , or debris that may have been missed during the cleaning process , then you will call for to remove the tape , cleanse the screw thread , and reapply .
For DIY plumbers who want a picayune surplus news leak security , consider employ apipe yarn sealantto the plumber ’s tape . After the tape is secure , you could screw in the threaded appointment . Hand constrain the fittings as far as it will go , then use a spanner or a set of plyers to tighten the connection .
Final Thoughts
Plumber ’s tape has a wide range of uses in residential bathymetry , spend a penny it a necessary part of any plumbing puppet boxful . It ’s both low-priced and effective , keeping threaded connection rest news leak - free when used right field . If you find that the tapeline fray or bunches up while installing the threaded fitting , just unwrap the mag tape , reclean the pipe and draw appointment , and test again . The tape should tighten up with the meet , rather than being squeeze to unravel .
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