How to make a mezzanine floor

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A lack of storage and living space is an issue for many businesses and homes, forcing companies and families to either relocate to a larger property or expand on their current location.

If your building has high ceilings, you can save money and time by building or assembling a mezzanine floor and maximizing the space you already have. Mezzanine floor kits are lightweight, self-build intermediate floors that you can easily expand, relocate or modify to meet your future needs.

Check your property can accommodate a mezzanine floor and choose what type you need. Generally your ceiling must be at least 3 metres high. The type of mezzanine you require will vary depending on your business or family needs, the purpose of the mezzanine and the size of your property.

Apply for planning permits from your local government building and planning agency. Although mezzanine floors may have fewer planning requirements than conventional construction projects, they must still comply with building regulations.

Unpack the mezzanine kit and set out the modules on the floor. Arrange the mezzanine's components so you can easily identify and access them. Check that you have all the parts described in the kit's instruction manual.

Read the kit's layout plans and mark the location of the mezzanine's columns. Erect the main columns. Align the columns carefully so they can receive the framing members. Check each column is plumb and fix to the ground with anchor wedges.

Bolt the main beams to the columns as described in the kit's drawings. Attach bar joists to the main beams using the bolts, nuts and washers supplied.

Lay out the mezzanine's decking on the bar joists. Starting at one end of the mezzanine, align the decking with the edge of the mezzanine floor. Screw the decking to floor. Attach the top plywood surface to the decking base with grabber screws.