MESA Support pedestals are the market leaders for external floating floor support. With support heights from 10-25mm, the risers can support loads up to 1000KG and come with a 20 year limited warranty for your peace of mind. 10-25mm adjustable height range 100mm diameter 100% recyclable Quick & simple to install, saving you time over traditional supports This option is not compatible with joist cradles This installation option requires‚ drilling a 20mm hole though the middle of the joist *Use as a guide, please use your own accurate plans to help determine required material