Heraklith BM
magnesite bound woodwool slabs
The unique combination of wood and magnesite is a convincing solution for
architects, designers and installers alike, offering outstanding value when
it comes to heat insulation, building biology and sound absorption. A proven
construction material with over 80 years international use in all climates. View technical document -
Heraklith BM (PDF - 46 KB)
View BM boards installation document.

Advantages
- Recognised for organic building design
- Heat store ability
- Diffusion permeable
- Fire Performance – Class’O’ as designed in Building Regulations
Class 1 surface spread of flame (BS476 part 7) - High compression resistance
- Vermin and Fungus resistant
- No harmful chlorides
- Hygroscopic – absorbs and releases moisture naturally
- Low shrinkage (max 1%)
- Compatible with all normal construction materials
- Easily cut and worked
- Ideal for rendering

Please also have a look at Tenoarm Age Resistant Vapour Barrier
Heraklith EPV
Manufactured in the same way as Heraklith BM boards and with one side sealed with a crush resistant surface. Heraklith EPV has the same ecological, health and technical advantages but with enhanced fire resistance and sound insulation properties. View technical document - Heraklith EPV (PDF - 23 KB)
Heraflax
flax insulation
The natural insulation material made from flax fibres for high living
comfort. Providing fire and pest resistance Heraflax is simple to install
and non irritant.

Advantages
- Thermal and sound insulation
- Compensates humidity changes
- Recycleable
- Recognised for organic building
Tektalan
Energy conservation and environmental protection
Offers a system for external wall insulation which meets all physical
building specification requirements. It is ideal for both new buildings
and refurbishment work. Tektalan insulation provides excellent thermal
insulation as a result of its rock wool core. View technical document - Tektalan E-21 (PDF - 59 KB)
Advantages
- Panels are easy to handle and quick to install
- Improves sound insulation of walls by 11dB
- Thermal insulation with breathing, diffusible open structure
- Fire Safe
- High living comfort
- High impact resistance - due to thick render finish
Heralan
Complete range of stone wool insulation for walls, floors and roof applications
Heradesign
Acoustic design solutions for walls and ceilings