Home >> Hand holes >> Accessories >> Knockouts and holes

Custom traffic rated hand hole unit with large clearances hole for exit piping. Custom traffic rated hand hole unit with large clearances hole for exit piping.
Photo of a customized FHR unit with holes temporarily sealed by Con-Duct Photo of a customized FHR unit with holes temporarily sealed by Con-Duct.
Image depicting one of Concast's pull boxes with conduit sleeves cast into the sidewalls. Image depicting one of Concast's pull boxes with conduit sleeves cast into the sidewalls.
Image depicting a traffic rated hand hole unit (FHR) with special holes and Con-Duct pvc terminations cast into the side of the box. Image depicting a traffic rated hand hole unit (FHR) with special holes and Con-Duct pvc terminations cast into the side of the box.

Link to Photo AlbumHardware Photo Album

Knockouts and Custom Holes

Any traffic rated hand hole that Concast offers can be cast with holes or knockouts at  your desired location.  Please specify size, quanity, and locations when ordering.  It is recommended to use oversize openings to ensure a proper fit.  Holes can then be later sealed.

Knockouts are a great option when you will need an opening at a later date.  A thin concrete shell approximately 3/8" thick seals the knockout opening; keeping out the backfill from your box.  When you are ready to use the opening, the protective shell can easily be knocked out with a hammer.  We can also cast in one of our plastic Con-Duct terminators for a temporarily sealed opening that can also be knocked out when it's needed.





Click this for help on your project     Fibercrete Facts Newsletter Sign-up Link
Dealer Finder Graphic
Find a local sales representative