Home > Companies > Jablite Ltd > Jabfloor Premium

High performance expanded polystyrene (EPS) thermal insulation sheet for use in all floor constructions, above or below the damp-proof membrane, for both domestic and commercial buildings.

Jabfloor Premium 70:

Used for domestic applications.

Jabfloor Premium 100:

Used for commercial applications where higher loadings are likely.


  • Fitted between or below the joists to provide insulation to suspended timber ground floors (Jabfloor Premium 70 only).
  • Below the concrete slab in solid ground floor constructions.
  • Above the concrete slab with a screed finish in ground-floor constructions.
  • Placed above a concrete slab or a pre-cast concrete floor in ground floor constructions and finished with a wearing layer of chipboard.
  • Over pre-cast concrete beam and block or hollow core plank floor systems with a screed or chipboard finish.
  • Perimeter insulation in solid and precast concrete floor constructions.
  • To insulate a basement floor either below the concrete slab or above the concrete slab with a screed or chipboard finish.

Standard product features


1200 x 2400 mm.

Thermal Conductivity:

  • Jabfloor Premium 70: 0.032 W/mK.
  • Jabfloor Premium 100: 0.032 W/mK.

Compressive strength @ 1% nominal strain:

  • Jabfloor Premium 70: 20kPa.
  • Jabfloor Premium 100: 45kPa.


Expanded polystyrene has been awarded an A+ rating by the BRE's Green Guide to Specification.



Jabfloor Premium is supplied as EPS 70 and 100 as defined in BS EN 13163 - Reaction to Fire Class E, containing a flame-retardant additive.


Ten standard sizes available, other thicknesses available to order.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-65/380 Expanded polystyrene (EPS) board

Product specification

An important note about specifying



Jablite Ltd


+44 (0)870 600 3666

Product reference

[Jabfloor Premium 70]
[Jabfloor Premium 100]


[EPS 70]
[EPS 100]


[25 mm]
[30 mm]
[40 mm]
[50 mm]
[60 mm]
[75 mm]
[100 mm]
[120 mm]
[150 mm]
[200 mm]

Manufacturer details

Infinity House,
Anderson Way,
Kent, DA17 6BG
Tel +44 (0)870 600 3666
Fax +44 (0)870 600 2555
NBS Plus
NBS National BIM Library