The Caliber safety grille has been developed as a safety device to prevent accidental entry to a manhole.
Even if the cover is completely removed, the grille stays in place.
Made from galvanised steel or stainless steel for durability.
Sizes available to fit 500mm-600mm opening frames.
The Hynds Hyseal sewer manhole systems are the next generation in sewer MH systems. Providing a leak free customised alternative, minimising installation and site works whilst providing on-site flexibility to the installer.
Even if the cover is completely removed, the grille stays in place.
Made from galvanised steel or stainless steel for durability.
Sizes available to fit 500mm-600mm opening frames.