A healthy indoor climate with Troldtekt® acoustics

Troldtekt, Product life cycle

Indoor climate-labelled acoustic solutions

Troldtekt cement-bonded wood wool panels contain no harmful substances or allergens and have qualified for the best Danish Indoor Climate Labelling categories.

Troldtekt acoustic panels are also recognised as a hypoallergenic product by Allergy UK, and labelled in the lowest emissions class (M1) by the Finnish Indoor Air Association and the Building Information Foundation RTS.

Furthermore, Troldtekt panels carry the German certification "Blauer Engel" and is environmentally assessed by the Swedish Sundahus Environmental Data.

Product use
Product use

Danish Indoor Climate Labelling

Troldtekt is certified to the best indoor climate categories by Danish Indoor Climate Labelling (Dansk Indeklima Mærkning).

To qualify for the Danish indoor climate label, a product's off-gassing must decline within the first 60 days following installation. Troldtekt panels fulfil the requirements at the first measurement after 10 days.

Ceiling products are also tested for the quantity of fibres and particles they emit. Troldtekt panels qualify for the best category, ‘low particle emissions’, i.e. less than 0.75 milligrams per square metre.

The Indoor Climate Label

The indoor climate is a combination of air, smell, sound, light, humidity, static electricity, design and colour. Danish Indoor Climate Labelling (DIM) is a voluntary labelling scheme for building materials and their impact on the indoor climate.

The indoor climate certificate is common to Norway and Denmark and is recognised world-wide. For the indoor climate label to be granted, the product must meet certain requirements during its use, while the product’s impact on the indoor air quality is also considered. One factor is the content of chemical substances in the product, another is which substances are released from the product to the ambient air.

A product certified and labelled under the indoor climate scheme has been subject to extensive testing, and comes with documentation that it only releases chemical substances to the air to a very low extent. Ceiling products are also tested for the release of fibres and particles.

Testing for degassing

All products are classified with a time value in days – the time value relevant for indoor climate. The time value is determined on the basis of the time that passes before the degassing ‘subsides’. The time value is determined through chemical analysis and sensory (smell) evaluation.

Troldtekt is classified with the time value 10 days, which is the best category.

Testing for particle release

In connection with indoor climate certification, ceiling products are also classified for particle release, determined through sedimentable dust consisting of particles and fibres during the early use of the product.

The release of particles and fibres from Troldtekt is classified as low, which is the best category.

Troldtekt M1

M1 classification

Troldtekt is classified in the M1 category by the Finnish Indoor Air Association and the Building Information Foundation RTS. This building material classification system promotes the use of low-emission products and has three emission classes. Emission class M1 corresponds to the best quality and emission class M3 includes materials with the highest emission rates.

A product will receive the M1 classification provided that it meets specific requirements and has been tested by an independent laboratory. In addition to chemical tests, the products go through a sensory evaluation process by an Odour Council.

Troldtekt acoustic panels were awarded the M1 certificate which ensures that VOC and odorous results comply with a number of criteria.

The tests were carried out by the Danish Institute of technology where the following methods were used for testing: ISO 16000-9, ISO 16000-3 and Eurofins 4430.

Troldtekt Allergy Friendly

Allergy Friendly

Troldtekt qualified for Allergy UK's 'Allergy Friendly Product Award', confirming that Troldtekt panels do not contain allergens or harmful substances.

The Allergy Friendly Product Award is only given to products which improve health and well-being for asthma and allergy sufferers.

To qualify for the Allergy Friendly Product Award, the product must be investigated and assessed by Allergy UK’s panel of advisors and experts.

Troldtekt Cradle 2 Cradle Silver

Cradle to Cradle

Troldtekt is Cradle to Cradle-certified in the silver category.

The certification covers the full product portfolio of Troldtekt acoustic panels in natural wood, natural grey and painted in the standard colours white 101, grey 202, charcoal grey 208 and black 207. The silver certification also covers the non-combustible Troldtekt A2 panels and Troldtekt agro panels.

The certification has been granted because, among other things, the panels contain no harmful substances and can therefore be composted and returned to nature as soil conditioner.

Troldtekt Sundahus

Sundahus Environmental Material Data

Troldtekt acoustic panels are environmentally assessed by the Swedish Sundahus Environmental Material Data.

With a web-based database, Sundahus provides structured material data with the objective to phase out hazardous substances in a building's lifecycle. The database contains thousands of environmentally assessed products. The assessments are based upon the different product characteristics and divided into the following classes: A, B, C+, C- and D.

Troldtekt acoustic panels are categorized in the database class A containing products with minimum impact on health and the environment.

Troldtekt Der Blaue Engel

Der Blaue Engel

"Der Blaue Engel" is a voluntary and independent environmental certification.

The requirements set by the Blue Angel place a particular focus on examining the impact that products and services have on the environment: on the climate, resources, water, soil and air. These tests also focus on their impact on people.

Troldtekt is classified as "Emissionsarm".