Sikaflex PRO Multipurpose polyurethane joint sealant

Sikaflex® PRO

Multipurpose, highly flexible polyurethane sealant

  • Remains permanently flexible and has excellent adhesion to all common construction materials
  • Low VOC, environmentally friendly formulation and approved for use with drinking water
  • Cuttable, sandable and paintable


As an elastic joint sealant for:

  • Expansion joints in buildings and civil structures above and below ground
  • Construction joints
  • Joints in precast concrete elements
  • External walling and cladding joints
  • Infill panel joints
  • Curtain walling
  • Sanitary installations
  • Sealing around window and door frames
  • Flexible draught proofing
  • Sealing penetrations in walls or floors for ducts, piping etc.
  • Retaining walls
  • Sealing joints in water retaining structures (water reservoirs)


  • New Sikaflex® PRO will bond well to well cleaned Sikaflex® PRO
  • Excellent adhesion on all cement based materials, brick ceramics, polyurethane, epoxy, most polyester, most metals and most timbers
  • High durability
  • Good weathering resistance
  • Non-sag on vertical and soffit joints up to 30 mm width
  • Short skinning time
  • Short cut off string, even after storage
  • Ready for immediate use – no mixing, saves time
  • No potential mixing errors or wastage due to mixed quantities being greater than required
  • Non-corrosive


310ml Cartridge
600ml Sausage


Black, Brick Red, Dark Amber, Concrete Grey, Japan Beige, Sandstone, White, Pale Brown (600ml), Redwood, Off White, Dark Grey.