A mezzanine floor is essentially a raised platform that is supported by steel columns and is totally independent of the host building. It allows you to create additional floorspace from wasted air space above your existing work and storage areas and can be used to create extra office, storage, production, or even retail space.
This may double, or even triple, the amount of space available. They are probably the most cost-effective and efficient means of significantly increasing your floorspace and storage capacity and are a rapid alternative to relocation with minimal disruption.
Mezzanine floors can be as small as 2m x 2m or larger than 60m x 40m, and up to 6+ m tall. They can be one, two or three tiers high, have standard or special staircases, lifts or access gates, handrails or partitioning barriers. They can use wood or steel decking, be finished in special colours, and can be totally encased, if desired. In fact, almost any conceivable option can be incorporated!
There are no standard sizes of mezzanine, although the optimum grid size (distance between legs) is in multiples of 3.5 m x 4 m, with 2.4 m clear to the underside of the structure. The intended use of the floor will dictate the loading requirement. In practice it is usually based on a minimum of 70 lbs per ft2 for general office space, 100 lbs per ft2 for light to medium storage, and 150 lbs per ft2 for heavy duty storage or wheeled traffic. If required, your floor can be designed to accommodate much higher loadings.
Every mezzanine we supply is calculated and designed to meet your individual site and usage requirements. Because of the almost infinite heights, sizes, floor loadings and options available, the best course of action is to contact one of our specialist sales people and ask for a free no obligation site visit and quotation.
The main components of a mezzanine are shown in the diagram below.
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Handrailing gives a bolt-free appearance and comprises powder coated, tubular hand and knee rails supported by rolled hollow section posts.
Toeplates give edge protection and comprises 100 mm high flat sided steel oval profile slots into the center of the handrail posts.
Pallet Safety Gate
Safety gates, designed to protect
personnel at exposed opening points
on the floor edge, safety gates may
have a light weight, fail-safe, roll over operation or be of the sliding trombone
type. They can accommodate standard sized pallets and require minimal maintenance.
Tongue & Groove Deck
Various types of material may be used as decking, including 38 mm high density particle board, including moisture resistant and fire retardant versions to BS 5268 and SEMA guideline 3; chequer and plain steel plate grade 43 to BS 4360; open mesh flooring grade 43 to BS 4360. Decking materials can be treated for Class O spread of flame for fire safety in accordance with part B of the Building Regulations.
Comprises fully welded, powder coated, rolled hollow section stringers, treads of a choice of durbar steel plate, open mesh, hardwood or softwood and optional risers.
Main Support Beam
Main beams are of hot rolled, universal beams (grade 43), finished in a single coat paint.
Floor Support Columns
Columns are of hot rolled,
square hollow section or universal columns finished in a single coat paint.
Secondary Deck Beams
Secondary beams are of cold formed, inward lipped channels, manufactured from pre-hot dipped, galvanised steel to BS EN 10147 grade S350, GD+Z coating G275..