300 Series Cast-in-Place Support Solutions - Safer and Faster Installation Saves Labor.

• Stiffy Fig 381 - Punch a hole in the deck and drop this support through
• Zinc plated rod for corrosion resistance
• Designed as a rigid method of support for Mechanical, Electrical and Plumbing systems.
• Can be used with or without concrete being poured over the deck
• Neoprene washer prevents concrete slurry from passing thru the deck
• Max load in concrete filled deck: 300# per support
• Max load in decks with no concrete fill: 133# per support
• UL Listed