HARO insulation underlays are recommended for reduced indoor sound.

Insulation underlays

Insulation underlays - an integral part of the installation

Premium insulation underlay to meet the strictest demands for indoor and footfall sound insulation.

We recommend an insulation underlay for all hard subfloors. You consequently increase the resilience of the floor and level out minor irregularities of the subfloor. Insulation underlay absorbs both footfall sound and indoor sound, which is unavoidable when walking on the floor. Not only is this pleasant for you and for your neighbours, your floor benefits from soft and resilient underlay and is thus more durable in case of floating installation, since there is no direct contact with the typically screed surface underneath.

HARO Silent Energy DS insulation underlay offers optimum footfall sound insulation over underfloor heating. The comprehensive HARO range also provides many other alternative insulation underlays that are ideal for installation over underfloor heating. Among these is the natural footfall sound insulation in the HARO ECO LINE, which fulfils the strictest ecological standards. Based on natural materials, such as cork, wood fibre and cardboard, these biological insulation underlays ensure a natural heat and footfall sound insulation.

DISANO by HARO Classic Plank 1-Strip XL 4V Sand Oak* brushed

DISANO by HARO Classic

Plank 1-Strip XL 4V Sand Oak* brushed

Here you can find an overview of our insulation underlays

COMFORT LINE insulation underlays

Premium insulation underlays for highest demands on footfall and room sound insulation. The high elasticity reduces strain on joints and spine. Be kind to your ears, joints and spine – with the Silent Pro luxury insulation underlay. It minimises footfall and room sound and gently cushions each step – as if you were walking over moss. That's why this resilience is also called the "forest floor effect".

Available in four different versions

Silent Pro DS insulation underlay has an integrated vapour barrier.

Silent Pro DS

Exceptional walking comfort with sound insulation and moisture protection

The premium product is structured in the same way as Silent Pro, but equipped with an additional vapour barrier. Suitable also for installation over underfloor heating.

Material thickness:

3 mm

Thermal resistance:

0.010 m² K/W

Weight:

2.8 kg/m²

Silent Pro footfall sound insulation is manufactured on the basis of PUR.

Silent Pro

Excellent sound insulation and walking comfort

Silent Pro based on PUR with mineral fillers ensures the best possible sound conditions. Both the sound in the room and the footfall sound in bordering rooms are considerably reduced. The forest floor effect caused by the high elasticity reduces impact on body joints and the spine. Suitable also for installation over underfloor heating.

Material thickness:

3 mm

Thermal resistance:

0.010 m² K/W

Weight:

2.8 kg/m²

The Silent Energy DS high-quality acoustic insulation layer with natural stone dust is the ideal insulation underlay for use over underfloor heating.

Silent Energy DS

Ideal for use with underfloor heating

High-quality sound insulation underlay with integrated vapour barrier (SD > 200 m) based on polyolefins filled with natural stone dust. Perfect for use with underfloor heating thanks to its excellent thermal conductivity. Helps save energy.

Material thickness:

1.5 mm

Thermal resistance:

0.004 m² K/W

Weight:

2.4 kg/m²

The Silent Grip installation underlay was developed specially for vinyl and design floor coverings.

Silent Grip

Specially developed for vinyl and design floor coverings with click system

High-quality sound insulation underlay based on natural mineral fillers with non-slip grip surface specially designed for floating installation of vinyl and design floor coverings with click system. Also suitable for installation over underfloor heating.

Material thickness:

1.4 mm

Thermal resistance:

0.010 m² K/W

Weight:

1.5 kg/m²

ECO LINE insulation underlays

For anyone who prefers environmentally friendly products, our ECO line based on natural raw materials is the perfect choice: Cardboard, wood fibre and cork ensure better footfall sound and heat insulation.

Available in 5 different versions

The Silent Eco DS high-grade, ecological acoustic mat manufactured from material based on vegetable oils offers special moisture protection.

Silent Eco DS

Eco acoustic mat with moisture protection

High-quality acoustic mat with excellent footfall and room sound properties; material based on vegetable oils with mineral fillers and integrated vapour barrier. The permanently flexible insulation underlay offers added walking comfort and reduces impact on body joints and spine. Suitable also for installation over underfloor heating.

Material thickness:

2 mm

Thermal resistance:

0.010 m² K/W

Weight:

1.7 kg/m²

The Silent Eco ecological acoustic mat offers the promise of outstanding room and footfall sound properties.

Silent Eco

Eco acoustic mat

High-quality acoustic mat with excellent footfall and room sound properties; material based on vegetable oils with mineral fillers. The permanently flexible insulation underlay offers added walking comfort and reduces strain on joints and spine. Also suitable for installation over underfloor heating.

Material thickness:

2 mm

Thermal resistance:

0.010 m² K/W

Weight:

1.7 kg/m²

The Silent Bio insulation underlay for vinyl and design floor coverings is based on 100 percent natural raw materials.

Silent Bio

Also ideal for vinyl and design floors with click system.

Insulation underlay made from 100% natural raw materials for parquet, laminate, vinyl and design floors. Suitable both for underfloor heating and in IT rooms.

Material thickness:

1.8 mm

Thermal resistance:

0.034 m² K/W

Weight:

0.63 kg/m²

Roll-out cork as footfall sound insulation offers an excellent price/performance ratio and can be used universally.

Roll-out cork underlay

Natural cork

This natural insulation underlay made of cork offers an excellent price-performance ratio and is suitable for universal applications; it is even underfloor heating compatible and suitable for use in computer rooms.

Material thickness:

2 mm

Thermal resistance:

0.041 m² K/W

Weight:

0.4 kg/m²

The woodfibre insulation board offers energy savings with footfall sound insulation thanks to its excellent thermal insulation properties.

Woodfibre insulation board

Excellent heat insulation

Levelling, footfall-sound and heat insulation underlay made of FSC®-certified natural wood fibre. Meets high ecological requirements. Due to its thermal resistance and excellent insulation properties, this underlay is not recommended for use over underfloor heating. Helps save energy.

Material thickness:

5 mm

Thermal resistance:

0.110 m² K/W

Weight:

1.25 kg/m²

BASIC LINE insulation underlays

Looking for a good price-performance ratio? Then our Basic Line is the perfect choice. These standard insulation underlays with an excellent price-performance ratio improve walking comfort and reduce footfall sound.

Available in 7 different versions

Visco Pro DS is a lightweight, low-noise insulation underlay with integrated vapour barrier.

Visco Pro DS

Lightweight, quiet insulation underlay with moisture protection

The lightweight and quiet insulation underlay with integrated vapour barrier. With its high viscoelasticity, this 2 mm thick levelling underlay can adapt optimally to the subfloor and smooth out irregularities almost completely. Despite its light weight (230 g/m²), Visco Pro DS has excellent indoor and footfall sound reduction properties and is also suitable for use over underfloor heating.

Material thickness:

2 mm

Thermal resistance:

0.041 m² K/W

Weight:

0.23 kg/m²

Visco Pro is a lightweight, low-noise insulation underlay with high viscoelasticity.

Visco Pro

Light insulation underlay for reduced sound

The lightweight and quiet insulation underlay. With its high viscoelasticity, this 2 mm thick levelling underlay can adapt optimally to the subfloor and smooth out irregularities almost completely. Despite its light weight (200 g/m²), Visco Pro has excellent indoor and footfall sound reduction properties and is also perfect for use over underfloor heating.

Material thickness:

2 mm

Thermal resistance:

0.039 m² K/W

Weight:

0.2 kg/m²

Duofol-PE footfall sound insulation offers an ideal combination of PE foam and PE construction film.

Duofol PE footfall sound insulation underlay

 

A combination of 2 mm standard PE foam and 0.2 mm PE construction film. The overlap strip of the PE film along the side provides added protection against moisture penetration. Due to possible electrostatic charging, this insulation underlay should not be installed under laminate flooring in rooms in which computer systems are used. Only suitable under laminate for underfloor heating. 1.00 m width + 6 cm side-overlapping adhesive strips

Material thickness:

approx. 2.2 mm

Thermal resistance:

0.044 m² K/W

Weight:

0,14 kg/m²

 EPS Easy Aquastop is the ingeniously easy to lay expanded polystyrene folding plate with integrated vapour barrier.

EPS Easy Aquastop (fanfold board)

Ingeniously easy to install expanded polystyrene folding plate with integrated vapour barrier and AluTape. Suitable also for installation over underfloor heating.

Material thickness:

1.6 mm

Thermal resistance:

0.040 m² K/W

Weight:

0.046 kg/m²

The high-quality PE foam insulation underlay made from crosslinked PE foam withstands even increased traffic and load.

Quality PE foam 75 kg

High-quality, non-crosslinked PE foam for application areas with increased traffic and load. Due to possible electrostatic charging, this insulation underlay should not be installed under laminate flooring in rooms in which computer systems are used. Only suitable for use with underfloor heating if installed under laminate flooring.

Material thickness:

2 mm

Thermal resistance:

0.040 m² K/W

Weight:

0.14 kg/m²

The high-quality PE foam insulation underlay made from crosslinked PE foam withstands even increased traffic and load.

Standard PE Foam 25 kg

Cost-effective, non-crosslinked PE foam which is suitable for low to medium traffic and load. Due to possible electrostatic charging, this insulation underlay should not be installed under laminate flooring in rooms in which computer systems are used. Only suitable for use with underfloor heating if installed under laminate flooring.

Material thickness:

2 mm

Thermal resistance:

0.044 m² K/W

Weight:

0.04 kg/m²

The HARO Vapo Stop vapour barrier provides additional moisture protection beneath insulation underlays.

HARO Vapo Stop vapour barrier

Provides added moisture protection and should be installed under all insulation underlays that have no integrated vapour barrier. Penetration of residual moisture from the subfloor is prevented and the floor covering is protected against possible moisture damage. Also suitable for installation over underfloor heating.

Material thickness:

0.2 mm

SD

> 100 m

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