Home > Companies > Laydex (NI) Ltd > DAMTEC Estra 3D

DAMTEC Estra 3D is the ideal rubber underlay under floating screed/ concrete slab or underneath rigid floor elements on wooden subfloors, providing outstanding elasticity and extremely high resistance to compressive loads. It is equally well suited for applications in residential, office and commercial buildings. The product is particularly quick and easy to install. It provides a wide range of benefits under screed or rigid floor elements including long service life and superb strength.

Standard product features

Material:

Granules of recycled rubber with PU elastomer bonding agent.

Colour:

Multi-coloured.

Surface:

Granular texture.

Underside:

Wave cut.

Density:

680–750 kg/m³.

Area weight:

3870–4730 g/m².

Tolerances:

  • Length and width: ± 1.5%.
  • Thickness: ± 1.0 mm.

Roll width:

1250 mm.

Tensile strength:

0.4 N/mm².

Elongation at break:

50%.

Temperature resistance:

-30 to +80°C.

Fire resistance:

  • B2 (DIN 4102-1).
  • E (ISO 11925/ ISO 13501).

Heat transmission coefficient:

0.05 m² K/W at 6 mm (ISO 8302).

Dynamic stiffness (EN 29052):

< 40 MN/m³.

Impact sound improvement (ISO 140‐8/ ISO 717‐2):

ΔLw = 22 dB (under 50 mm screed).

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-70/437 Resilient layer insulation

Product specification

An important note about specifying

Manufacturer

Name:

Laydex (NI) Ltd

Tel:

+44 (0)28 9038 2223

Product reference

DAMTEC Estra

Thickness

[4 mm]
[8 mm]

Manufacturer details

Units 4/5 Falcon Way,
Belfast,
Northern Ireland, BT12 6SQ
Tel +44 (0)28 9038 2223
Fax
NBS Plus
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