Wood Wool by Heraklith®. Improving since 1908.


Heraklith® products are created with a commitment to environmental responsibility and sustainability. Our customers reinforce this commitment when choosing our products.


Heraklith® Wood Wool panels are widely used in many countries of the world. Each panel is the result of over a 100 years of continuous improvement.


Heraklith® continuously expands the range of applications for Wood Wool panels. They provide some of the best acoustic and thermal insulation, and fire protection that you will find.


Heraklith® Wood Wool insulation panels

Heraklith® Wood Wool insulation panels are renowned for their exceptional properties. They offer excellent noise absorption, superb thermal insulation, strength and durability, and outstanding fire resistance.

Application list

Garages and underground car parks

Garages and underground car parks

Well-designed parking garages require excellent insulation to ensure they properly reflect the standards and expectations of the properties they serve, such as shopping malls and multi-story apartment buildings.

Basement ceilings

Basement ceilings

When insulating a single- or multi-family home, it is important to consider the heat-loss that can occur in every area of the building including the amount through the basement ceiling – which can account for as much as 10% of the energy loss from the building.

Technical rooms

Technical rooms

Heraklith® offers an ideal product line of Wood Wool panels for insulating the walls, floors and ceilings of technical rooms, such as those containing large boilers, lift mechanisms and generators.

AT Kalb 2

Agricultural buildings

The control of airflow plays a critical role in maintaining healthy environments for stabled or penned animals, such as cattle and pigs.

Heraklith® panels are an ideal solution, acting both as an additional air filter, and thermal and acoustic insulation.

Exterior wall insulation

Exterior wall insulation

External walls can be responsible for 25% of the heat loss in a building. Heraklith® Wood Wool panels provide an exceptional, all-in-one insulation solution. They can be applied as breathable substrate boards.