Deep Polymers

DURA Block Filler

DURA Block Filler is a special purpose, lightweight, rigid, high density filler board. It is a high performance expanded polystyrene board specially formulated to support heavy load/ human traffic movement on the slabs. DURAblockfiller� is an ideal replacement for conventional brick�bat coba as well as other space filler applications. It has diversified usage in quick construction of flyover ramps, sunk portion fillings and applications in terrace gardens & balconies.

Features & Benefits :

  • Lightweight- Reduces structural dead load by more than 70% in various application areas self extinguishing
  • Quick & simple application saves time and costly labour contributing to timely completion of projects bearing etc.
  • High load bearing capacity with low deflection Closed cell.
  • Fire retardant and Ease of thickness, load.

Applications :

  • Replacement of Brick-bat coba
  • Flat metal decks
  • Gap filling in inverted beams thickness, width, and length

Available in :

    • Various thicknesses from 50mm to 500mm
    • Standard sheet size 1 mtr. X 500mm


  • Customized sizes in
    • Green roofs
    • Balconies and terraces
    • Sunk portion fillings
    • Elevated seating in Auditoriums
    • Membrane protection
    • As a lightweight filler additive to be used along with Sand mortar
    • Geo Technical filler


Property Units DURAblockfiller Test Method / Typical Value
Density Kg/m3 20 DIN 53420
Compression strength ( 200mm thickness) Kg/m3 7375 ASTM - D 1612
Compression load for 1% Deflection ( 200 mm thickness) Kg/m3 3000 ASTM - D 1612
Water absorption (% volume)
7 Days
1 Day
DIN 53428
DIN 53428
Fire retardancy ( FR) - Self Extinguishing DIN 4102