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Hollowcore Flooring (Hollowcore Concrete Floor Slabs)

Coltman prestressed concrete hollowcore floor and roof slabs comprise hollow and solid concrete flooring units, nominally 1200mm wide and of various depths placed side by side with a grouted joint.

Precast concrete floors provide our customers with a quick form of flooring construction, enabling the principal contractor to progress in most cases to the next level of construction within a day of the precast concrete hollowcore flooring units being installed, saving time and money.

Layout drawings are prepared for use during site erection by Coltman Precast Concrete floors fixing gang or by others employed by the principal contractor.

>>> Prestressed flooring and roofing technical information


Precast Concrete Floors


Precast Concrete Floors


Unit Cross Section Depth and Self Weights

Structural flooring design is in accordance with the recommendations of BS 8110 "The Structural Use of Concrete".

The standard Coltman precast concrete floor unit is designed for a mild exposure condition as defined in BS8110, other expose conditions can be considered subject to consultation with the Coltman Technical Department.

The standard Coltman precast concrete floor unit is designed to meet Class 3 serviceability requirements as described in BS 8110. Designs to Class 1 and Class 2 are available if required

The maximum permissible spans are dependant on loading conditions.