Rockwool Frontrock MAX E

Rockwool Frontrock MAX E Dual Density External Wall Insulation Slab

Rockwool Frontrock MAX E is a rigid dual density thermal and acoustic insulation slab made from  volcanic rock, thus extremely durable, fire resistant and specifically created for external wall applications to go directly under render. The higher density surface of the slab is to take the render. The slabs are made from 97% recyclable and renewable material which also makes them environmentally friendly since they can lower the carbon footprint of the household.


Available thickness 60-200mm

Excellent thermal and acoustic performance,

Higher density top surface,

Easy to handle and install without gaps,

Render applied directly,


Can prevent surface and interstitial condensation,

Can be applied to a wide range of substrates,

Protects the fabric of the building,

Classified as non-combustible,


Rockwool Frontrock Max E Insulation Slab is specifically made for external wall applications to go directly under render.


  • Conform to EN 13162: 2012. 

  • Achieves a reaction to Fire classification of A1, as defined in EN13162

  • Does not contain gases that have Ozone Depleting Potential (ODP) or Global Warming Potential (GWP)

  • Rockwool fibres are not classified as possible human carcinogen.

Data sheet

Thermal conductivity λ (W/mK)
Fire reaction class

Specific References


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