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Economical and Great Design Flexibility

Hollowcore is an extruded prestressed concrete slab with continuous voids to reduce weight and cost. It is primarily used as a floor and roof deck system. Hollowcore is very economical and provides great design flexibility. It is used in many different building systems. This unique product is strong and durable and allows for significant floor loading and clear spans.

Advantages of Hollowcore:
  • Provides clear spans in excess of 50 feet while maintaining very thin cross sections of 8”, 10”, 12” and 14” respectively
  • Compatible with steel, wood, masonry and other precast structures
  • Indoor manufacturing ensures consistent quality and allows for year around production
  • Fast erection schedule reduces down time for other trades and decreases the overall build time
  • Erection not affected by weather conditions
  • The steel form finish on the underside allows it to be painted and stippled for a finished ceiling
  • Fire resistant, offering in excess of 2 hours fire ratings with no additional fireproofing required
  • Sound resistant providing STC ratings of 50 or more.
Hollowcore Floor Slabs Span and Connection Details 
Residential Applications Brochure