These cast-in-place UL Listed sleeves are designed for use with metal, insulated metal and plastic pipe penetrations ranging from 8 in. to 12 in. HoldRite is the only manufacturer currently offering a 12 in. option, a 1 in. stackable extension — which can serve as a water dam when two are installed together after concrete is poured — and an OSHA-compliant safety cap. 

Features

• Comes standard at 8 in. tall. 
• Ideal for metallic, plastic and insulated pipes ranging from 8 in. to 12 in. 
• For use with slabs 6 in. or thicker 
• Provides three-hour fire rating for slabs thicker than 6 in. 
• Includes OSHA-compliant hole cover plate/safety cap 
• 1 in. extensions available for thicker floor slabs 
• W rating is achievable with all HoldRite firestop sealants (HF300 silicone series, HF100, and HF200 intumescent sealants) 
• L ratings available