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Underlay materials

Underlayment for silent Laminate Flooring

When laying a floor it is essential to use the right type of underlay. Varying requirements for thermal insulation and the reduction of impact noice and walking noise mean that care must be taken to select an appropriate underlay.

When you buay a Krono Original underlay, you are choosing a mulitpurpose, high performance parquet and laminate underlay. Krono Original underlays have been optimised through a process of extensive tests and and laboratory experiments to ensure high level, long term insulation against impact noise and walking noise. These highly durable underlays exhibit superb performance values when tested in real life situations.

All Krono Original® underlay materials are CFC free and can be disposed of along with normal household waste. They can be recycled, do not pollute watercourses and do not pose any toxicological problems. The basic material is compatible with bitumen, PVC, linoleum, oil, cement, articicial and natural resins and magnesium.

PuR 2.0 Underlay

This professional acoustic mat consists of PuR/mineral compounds. Superb walking noise reduction (18%) and minimal thermal resistance and integrated moisture protection. Density: 700 kg/m³, thickness: 2,0 mm
Dimensions: 0,935 cm x 8,02 m = 7,5 m2
Reflected sound reduction 18%
Load: >10 t/m2

PuR 2.0

Wood 5.5 Underlay

This insulation panel is made from wood fibres and is especially suitable for thermal insulation e.g. for rooms below ground level (cellars), but is unsuitable for rooms with underfloor heating. Because of its high wood content, a PE foil must be laid underneath it for moisture protection. 15 panels/packet = 7m²
Reflected sound reduction: 4,7 Sone
Transmitted sound reduction: 19 dB
Very good pressure stability: apprx. 7 to/m²

PuR 2.0
   

XPS 4.0 Alu Underlay

Our PS parquet underlay is ideal for laying on mineral surfaces. It smoothes uneven patches and offers a high level of thermal insulation. For this reason it is not suitable for laying on floors with underlfoor heating. Aluminium lamination offers protection from residual damp from the floor finish. 15 panels/packet, Dimension: 0.59x0.79 m x 15 = 7m2

Reflected sound reduction: 20 dB
Room weight: 40 kg/m³
Very good pressure stability: apprx. 6.5 to/m²

XPS 4.0 Alu

XPS 2.0 Underlay

Insulating underlay made from extruded polystyrene with good walking noise reduction and high pressure stability.

Basic material: XPS
Density: 55 kg/m3, thickness: 2,0 mm
Dimensions: 1,1 m x 11,36 m
Reflected sound reduction: 12%
Transmitted sound reduction: 20 dB

XPS 2.2

XPS 3.0 Underlay

Folded insulating underlay, 3mm thick, from extruded polystyrene.
Packed in collapsible boxes, easy to store and transport.

Basic material: XPS
Density: 40 kg/m³, thickness: 3,0 mm
Dimensions: 1,2 m x 8,33 m = 10 m2
Reflected sound reduction: 20 dB
Thermal insulation: 0,108 m2K/W

XPS 3.0

XPS 5.0 Underlay

5 mm thick panels from extruded polystyrene. Excellent insulating properties and high impact noise reduction. Levels uneven patches of up to 4 mm. 15 panels/packet.
Basic material: XPS
Density: 36 kg/m³, thickness: 5,0 mm
Dimensions: 0,59 m x 0,79 m x 15 = 7 m2
Reflected sound reduction: 22 dB
Thermal insulation: 0,215 m2K/W

XPS 5.0

 

 

PE 2.0 / 4.0 Underlay

The 2 or 4 mm thick PE foam is the most cost effective option. It has medium impact noise insulation and thermal insulation properties. The disadvantage is its low density and corresponding compression resistance. Because it is so thin, the 2 mm foam underlay is ideal for use in renovation projects. A variety of roll lengths are available.

Transmitted sound reduction: ca. 16 dB
Room weight: ca. 20 kg/m³

PE 2.0 / 4.0

EPS 1.6 Underlay

This product combines impact noise insulation and moisture protection and is supplied in a convenient folding panel format. Material: expanded polystyrene with aluminium - metallised PET coating. Overlapping, self-adhesive coating. Ideal for use with underfloor heating.
Densitiy: 10 kg/m3, thickness: 1,6 mm
Dimensions: 1,2 m x 12,5 m = 15 m2
Transmitted sound reduction: 20 dB
Underfloor heating: 0,050 m2 K/W

EPS 1.6

EPS 3.0 Underlay

This product combines impact noise insulation and moisture protection and comes in an ideal folded panel format. Material: expanded polystyrene with aluminium metallised
PET coating. Overlapping, self-adhesive coating.

Density: 10 kg/m3, thickness: 3,0 mm
Dimensions: 1,2 m x 8,33 m = 10 m2
Moisture protection: SD > 100 m
Transmittet sound reduction: 20 dB

EPS 3.0

PE-foil Underlay

PE sheet must be used as a damp barrier especially when laying flooring on new subsurfaces (residual damp) and where there are large temperature differences with the room below. It prevents rising damp from damaging the laminate flooring. Available in different thicknesses and roll lengths.
Material: Polyethylen

PE-Folie
Special note:
Please ensure that the sub flooring has been properly prepared before laying underlay. For laying flooring in rooms with underfloor heating, we strongly recommend that you use our PE steam brake. If being stored for longer periods, the parquet underlay must be kept in cool, dry conditions and protected from UV radiation. If using sensitive electronic appliances (Computers ..) we strongly recoomend that you use an antistatic underlay.

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Krono Original Panels