Prices
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Price excludes:-
Floor boarding - Available if required
Custom leg connectors - Please contact us with your requirements.
Trolleys
Trolleys which won't slip on fork lift tynes are available for the 1.5m joists
Trolleys for the 3m ground beams are available
Stacking cups are available if required, so trolleys will stack.
Grid Subfloor System
- A professional level floor on any terrain
- Quick, easy and simple to lay
- A spirit level or laser is the only tool you'll need
- Low profile
- Available in lightweight aluminium or steel
- Use your existing Weblok or Joe's boarded floor panels on top
- Download our Grid Subfloor leaflet
- Download our full catalogue

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Details
Grumpy Joe’s Grid Subfloor flooring system allows even the smallest marquee company to offer a very professional level floor irrespective of ground conditions and terrain.
The Grid Subfloor system is low level, it requires less work at entrances with ramps, steps and handrails.
Ground beams simply hook together to form the required bays.
Floor joists are then hooked into the cut outs in the ground beams to form the grid ready to take your standard Weblok tent floor, or Grumpy Joe’s improved, cheaper, compatible boarded tent floor
Custom steel leg connectors
We can also supply custom steel leg connectors to fit to the Grid Subfloor system, to connect to any manufacturer’s frame uprights.
The leg connectors slide onto the ground beams, and the leg is bolted or pivoted on the upstand as normal.
Easy to lay
A spirit level or laser is the only tool you’ll need
Grid Subfloor is not a cassette floor - You can use our own Weblok tent floor or Grumpy Joe’s improved, cheaper, compatible boarded tent floor – saving a fortune on buying special sized custom panels.
