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Plastic End Caps for Round Fiber Voids

Plastic End Cap



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Plastic End Caps are designed to fit the ends of round void forms, used in cast-in-place and precast slabs. Pricing per carton.

Standard sizes fit the following round fiber voids:

Cat# Fiber Void Size Package Size
PEC8 8" od 100
PEC10 10" od 100
PEC10-1/2 10-1/2 od 100
PEC12 12" od 80
PEC12-1/2 12-1/2 od 80

        Custom sizes are available


Made in USA

Frequently Asked Questions







  1. Will  PEC’s fit standard  column for tubes, such as “SONOTUBE” ?


Only the PEC10-1/2  and PEC12-1/2 can be used on standard column forms. Since the ID of a standard wall 10” SONOTUBE  is 10” with an OD of approximately 10-1/2”  and a standard wall 12” SONOTUBE  is 12” with an OD of approximately 12-1/2”.


  1. Do the PEC’s have to be stapled to the voids?


It is recommended the PEC’s be stapled in three places. While they fit the voids, there is the possibility of the PEC’s becoming dislodged during handing, shipping, and installation. In addition, even though the voids are normally vented, the heat of hydration could build up and cause/create pressure to push ends off the void.


  1. Are other sizes available?


Yes!  Deslauriers can custom fabricate or custom mold other sizes.


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