WHAT IS A MEZZANINE FLOOR?

A mezzanine floor is the ideal solution if your business is looking to increase it's office, storage or production space within your warehouse.

A mezzanine (referred to in French as an entresol), often referred to as a mezzanine floor or sometimes a balcony, is an intermediate floor within a building. They are most often a semi permanent structure used within a warehouse environment. Mezzanines are also used as a permanent structure typically found in a theatre or apartment and are often referred to as a ‘loft’ bedroom or balcony.

Typically a mezzanine floor does not extend over the entire footprint of the ground floor space of a building and they are often a secondary structure fitted after the original building has been constructed. They are installed to utilise the space available, particularly if head height is available between the ground floor and the ceiling above.

Mezzanine floors are used to provide additional floor space in ‘industrial buildings’. ‘Industrial buildings’ include all those facilities traditionally referred to as ‘workshops’, ‘factories’ and ‘warehouses’ built in industrial parks, business parks and retail parks. Industrial buildings are typically large warehouse structures with adjoining and/or internal smaller, single or multi-storey office accommodation.

With new developments, we now commonly find that developers create the warehouse structure without office or welfare facilities, therefore creating a ‘shell’, giving flexibility to the new owner/leaser of the building, to install whatever facilities they require.

Blackburn Storage & Office Mezzanine Floor

MATERIALS USED TO CONSTUCT A MEZZANINE FLOOR

MAIN STEELS (PRIMARY BEAMS)

Often referred to as a main beam, section beam or the primary steels. These steels span mezzanine columns and together provide the primary support for the secondary purlins. The beams are manufactured from universal I beam & Column Sections. Holes are drilled in the beam for the connection of cleats and to connect the beam to the column.

MEZZANINE COLUMNS

Subject to impending loads down each column, we will either use hollow box section or universal columns. Columns come complete with base plates which spread the load into the slab below. Mezzanine columns are connected to the primary steels using a top plate.

PURLINS (SECONDARY STEELS)

These provide fixing points for the floor decking. Purlin spans and centres vary along with their section size subject to imposed floor loads and point load requirements. Typical centres are 600 or 700mm however they can be reduced dependant on the use of the mezzanine floor.

DECKING

Generally mezzanine floors are fitted with tongue and grove 38mm particle boards which are a floor grade chipboard. The boards are fixed to mezzanine purlins in a staggered pattern through the use of wood to steel tek screws. Sometimes the decking is over-boarded with materials such as chequer plate or hardboard plywood to provide further protection dependant on the floors use.

Mezzanine Elements Drawing
Mezzanine Floor Instruction Layout
Production Mezzanine Floor
Mezzanine Floor Staircase

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