1. Brush off any rust or foreign 
particles. Wipe flange surface thoroughly with a rag soaked in acetone 
or other suitable solvent to remove grease or oil.
2. Insert fingernail between the paper 
backing strip and the tape and strip the paper back three to six inches.
 Draw a reference line in flange and press squared off end of tape 
against it.
3. Now, start laying the tape along the 
face of the flange, peeling the paper backing as you go. To prevent the 
adhesive surfaces of the tape from doubling back on themselves and 
sticking together, strip away only a few inches of paper at a time.
4. When the starting point has been reached, lap the tape not more than 
5. If wrinkles appear because of improper installation, the may be rolled out with a length of pipe.
For Multiple Thickness Gasket, Add Steps 6, 7 and 8
6. When the starting point has been 
reached, do not cut the tape. Roll out the tape already laid down using a
 short length of smooth pipe to iron out the wrinkles.
7. Now, repeat step 3. Be sure that the 
top layer is positioned exactly above the first layer before contact is 
made. Once the adhesive touches the tape, it is impossible to separate 
the layers without tearing them.
8. Repeat steps 6 and 7, depending on the number of layers of tape to be laid down. Finish with steps 4 an