Thermal insulation

Thermal insulation →

Roof insulation icon

Roof insulation
Between-rafter insulation
Rafter insulation
External wall insulation

External wall insulation
Facade insulation
Block/double block insulation
Double-shell masonry
Ceiling insulation (thermal insulation) Icon

Ceiling - not accessible
Top floor ceiling
Tie-beam ceiling

Sound insulation & room acoustics

Sound insulation & room acoustics →

Sound insulation ceiling

Ceiling insulation
Suspended ceiling
Soundproof ceiling
Acoustic ceiling
Acoustic decoupling

Acoustic decoupling
Subfloor
Ceiling
Floor insulation

Subfloor
Floor insulation
Acoustic underlay insulation
Subfloor insulation
Room acoustics

Room acoustics
Acoustic felt
Acoustic panels

Thermal & sound insulation

Heat & sound insulation →

Interior wall insulation

Internal wall
Partition wall insulation
Installation level
Facing shell
Indoor air decontamination
Window insulation, door insulation, joint insulation

Windows, joints & elements
Window and skylight insulation
Door insulation
Expansion joints
Cavity insulation

Special solutions

Special solutions →

Icon special solution insulation

Whether a timber frame house, tiny house, yurt, sauna or van conversion - we offer a healthy insulation solution for all projects.

Products for floor insulation :

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ISOLENA Optimal
Optimal insulation roll
ISOLENA Optimal
ISOLENA Optimal

Heat and sound insulation
Thickness: 30-140 mm
Thermal conductivity λD: 0.037 W/mK
Fire performance: D-s2, d0; CH: RF3

Product details
ISOLENA sheep's wool felt
Sheep's wool felt
ISOLENA sheepwool felt
ISOLENA sheepwool felt

Sound insulation
Thickness: 9 mm
Fire behaviour: C-s2, d0; CH: RF2
Linear flow resistance r: 29.5 kPa s/m²

Product details
Sheep's wool felt strips
Sheep's wool felt strips
Sheep's wool felt strips
Sheep's wool felt strips

Sound insulation
Thickness: 9 mm
Fire behaviour: C-s2, d0; CH: RF2
Length-related flow resistance r = 29.5 kPa s/m²

Product details
ISOLENA impact sound insulation
Acoustic underlay insulation
Acoustic underlay
Acoustic underlay

Sound insulation
with soda kraft paper
Thickness: 3.5 mm
Fire behaviour: C-s2, d0; CH: RF2

Product details
Natural appearance

Sheep's wool is in the floors here:

Reference log cabin Gonzen
Log cabin Gonzen, CH
Log cabin Gonzen, CH

At the foot of the Gonzen in Sarganserland lies this log cabin, built with a love of craftsmanship and attention to detail, insulated with our natural sheep's wool.

Kindergarten Mondsee
Kindergarten Mondsee, AT
Kindergarten Mondsee, AT

The well-being of the children takes centre stage at the Montessori forest kindergarten. Built in 2008, the new building is completely insulated with healthy ISOLENA sheep's wool insulation.

Apartment block Birmensdorf
Apartment block Birmensdorf, CH
Apartment block Birmensdorf, CH

Several generations can breathe easy here: Exterior walls, installation levels, partition walls, floors and ceilings are insulated with sheep's wool.

Detached house Zuwill
Detached house Zullwil, CH
Detached house Zullwil, CH

In the modern timber construction in Zullwil in Switzerland, sheep's wool insulation is used in exterior walls, installation levels, partition walls, floors and ceilings.

Detached house Harreither-Pramreiter
Bungalow Harreither / Pramreiter, AT
Bungalow Harreither / Pramreiter, AT

The light-flooded, modern bungalow in timber construction features sheep's wool insulation in the ceiling, walls, floor and roof. The impressive house was honoured with the Lower Austrian Timber Construction Award 2016.

House by the pond
House by the pond, AT
House by the pond, AT

The modern detached house was designed with lots of wood and natural light. Sheep's wool insulation was used for the roof, floor, ceiling and sauna.

Dolezal log cabin
House Dolezal, CZ
House Dolezal, CZ

The natural log house in the Prague area is rustic and modern at the same time. The heat insulation in the ceilings, walls and floor is made of sheep's wool.

Company building Multikraft, AT
Company building Multikraft, AT
Company building Multikraft, AT

The climate-neutral family business Multikraft has renovated its company building in the 350-year-old Hausruck-Hof to save energy and used high-quality sheep's wool insulation for the roof, floor and some of the walls.

Natural log cabin
Modern natural log house, DE
Modern natural log house, DE

This natural log house is both traditional and modern. Insulated with high-quality ISOLENA 'Premium' sheep's wool insulation.

View all acoustic references
Naturally strong in function

Sheep's wool that can do more

ISOLENA sheep's wool insulation not only impresses with its Excellent thermal and sound insulation valuesbut also due to their natural moisture management and their harmlessness to health. Without any chemicals, but with a lasting effect - for healthy, long-lasting construction projects with real sustainability.

✅ Regulates moisture and prevents mould
✅ Insulates effectively against heat and cold all year round
✅ Free from chemicals, microplastics and additives
✅ Permanently moth-resistant thanks to Ionic Protect®
✅ Certified by natureplus®, EPD & more

All advantages in detail
naturally well advised:

Personal, honest, solution-orientated

Whether you are an architect, fabricator or retailer - we support you with expertise, tested solutions and honest advice. You will receive answers, inspiration and suitable products made from sheep's wool. Sustainable. Effective. From a single source.

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