HARO insulation underlays are recommended for reduced indoor sound.

Insulation underlays

Insulation underlays - an integral part of the installation

Premium insulating underlay to meet the highest requirements for indoor and footfall sound insulation.

We generally recommend insulating underlay for all hard subfloors. They increase the resilience of the floor and level minor irregularities of the subfloor. Insulating underlay also absorbs footfall and indoor sounds that are unavoidable when walking on hard floors. Not only will your ears and those of your neighbors thank you, your floor will too - this soft and elastic underlay provides greater resilience for floating installations by preventing direct contact with the substrate usually found underneath.

For underfloor heating systems, HARO insulating underlay Silent Energy DS provides optimal footfall sound insulation. The extensive HARO range also includes many other alternative insulating underlays that are suitable for installation with underfloor heating systems. One of these options is the natural footfall sound insulation of the HARO ÖKO-LINE, which meets high ecological standards. Based on natural materials of cork, wood fiber and paperboard, these organic insulating underlays provide natural warmth 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 minimizes 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 vapor barrier.

Silent Pro DS

Exceptional walking comfort with sound insulation and moisture protection

The premium product is of the same make as Silent Pro®, but equipped with an additional vapor block. Suitable also for installation over underfloor heating

Material thickness:

1/8''

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 ensure 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 educes impact on body joints and the spine. Suitable also for installation over underfloor heating

Material thickness:

1/8''

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 vapor 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:

1/16''

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:

1/16''

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 fiber 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 vapor 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:

3/32''

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:

3/32''

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.

Sound insulation made from 100% natural raw materials for parquet, laminate, cork, vinyl and design floors. Suitable both for underfloor heating and IT rooms.

Material thickness:

1/16''

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:

3/32''

Thermal resistance:

0.041 m² K/W

Weight:

0.4 kg/m²

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

Woodfiber insulation board

Excellent heat insulation

Leveling, footfall-sound and heat insulation underlay made of FSC®-certified natural wood fiber. 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:

3/16''

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 vapor barrier.

Visco Pro DS

Soft, quiet insulation underlay with moisture barrier

The light and quiet insulating underlay with integrating vapor barrier. With its high viscoelasticity, this 2 mm thick leveling 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 perfect for use over underfloor heating.

Material thickness:

3/32''

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 light and quiet insulating underlay. With its high viscoelasticity, this 2 mm thick leveling 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:

3/32''

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 floor for underfloor heating. 1.00 m width + 6 cm overlapping adhesive strip

Material thickness:

approx. 3/32''

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 vapor barrier.

EPS Easy Aquastop (fanfold board)

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

Material thickness:

1/16''

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:

3/32''

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:

3/32''

Thermal resistance:

0.044 m² K/W

Weight:

0.04 kg/m²

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

HARO® Vapo Stop vapor barrier

Provides added moisture protection and should be installed under all insulation underlays that have no integrated vapor 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:

0.008'' (0.2 mm)

SD

> 100 m

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