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ARDEX PC-T 4 offers a fast track solution when you’re looking to create the ultimate polished concrete floor. For internal use only and available in concrete grey, ARDEX PC-T 4 can be polished to create outstanding visual results, and an easy to maintain, incredibly durable floor.

ARDEX PC-T 4 can be used in retail stores, schools, airports and all areas where a fast track, polished concrete surface is desired.

  • Walkable after 2 to 3 hours
  • Polish in as little as 24 hours
  • Install from 10mm to 50mm neat
  • 30mm to 130 mm (incorporating aggregate)
  • Abrasion resistant to class AR1
  • Pourable and Pumpable
  • For interior use

Ardex PC – T4 Polished Concrete Topping

ARDEX PC-T 4 is a rapid-drying, cement based compound for creating polished concrete floors. It is walkable in 2-3 hours and can be polished in as little as 24 hours.


For internal use only. ARDEX PC-T 4 can be used in retail stores, schools, airports and all areas where a fast track, polished concrete surface is desired.
ARDEX PC-T 4 can be installed from 10mm up to 50mm neat over large areas, and up to 130mm with the addition of a suitable graded aggregate. To benefit from its levelling properties ARDEX PC-T 4 should be applied at least 15mm thick. When applying ARDEX PC-T 4 at thicknesses of over 30mm, larger aggregate may be incorporated.


The substrate must be clean, hard, sound and free of dust and other barrier materials such as paint, curing agents, laitence, adhesive residues etc, that will inhibit adhesion to the substrate.
The surface strength of the concrete must be sufficient to support the ARDEX PC-T 4. BS 8204-3 recommends a minimum surface tensile strength of 0.8N/mm² for concrete bases to receive wearing or levelling screeds.

Use ARDEX DGR degreaser to remove polish, wax, grease, oil and similar contaminating substances prior to mechanical preparation. All surfaces must be mechanically prepared, either by scabbling, grinding, contained shot-blasting equipment or similar, and be vacuumed clean prior to priming.

Overwatered, frost damaged or otherwise weak concrete surfaces must be suitably prepared down to sound, solid concrete by mechanical methods. Acid etching, adhesive removers and solvents are not acceptable means for cleaning the substrate. Sanding equipment is not an effective method to remove curing and sealing compounds. Direct to earth concrete subfloors must be dry and have an effective damp proof membrane such as ARDEX DPM 1 C. Test for moisture using the relative humidity method in accordance with BS8203-1 and BS8204-1.


Any joints or cracks in the concrete base where differential movement is anticipated e.g. movement joints, should be brought through to the finished surface. Before proceeding with the installation, all non-structural dormant cracks must be prefilled with a fully rigid resin such as ARDEX PSRS or ARDEX EP 2000. Please note that the repair material must be sand broadcast to refusal while still fresh and allowed to cure fully prior to removing all excess sand. The filling of dormant cracks is recommended to help prevent the cracks from reflecting through the topping. However, should movement occur, cracks will reappear


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