FULL DEPTH FLOOR REPAIR

For localised repairs where the concrete has failed down to the sub-base e.g. collapsed floor slab intersections

METHOD

  • Saw cut square the perimeter of damaged area and break out defective concrete leaving only sound concrete.
  • Re-compact the sub-base and replace any d.p.m.
  • Drill and fix dowel bars with resin anchor grout to tie the repair to the existing concrete where appropriate and place fibreboard to reform the movement joint.
  • For free standing repair place fibreboard round the perimeter of repair to separate it from the original. No dowels are needed.
  • Prime the sides of the repair area for tied repairs.
  • Mix and compact the repair concrete finishing level with the traffic surface.
  • Allow to harden and cut the fibreboard to form a recessed joint if required.
  • Install joint sealant and allow to cure before trafficking.

    		•   

    		Saw cut
    		Parent concrete
    		Collapsed sub-base
    		Compacted sub-base
    		Concrete repair
    		Fibreboard
    		Joint Sealant

    MATERIALS

    Resin anchor grout: Lokfix P25
    Fibreboard: Fibreboard
    Repair primer: dependent on repair medium
    Repair concrete type: Ultracrete FTC
                                            Renderoc LA
                                            Febset 45
    Joint sealant prime: dependant on sealant
    Joint sealant type: Thioflex 600 Pouring Grade
                                      Colpor 200PF
                                      Expoflex 800
                                      Nitoseal MS300

    Click on product name for data and full application instructions

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    European Standard EN 1504

     

     

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