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Rockwool® Slabs


  • Excellent thermal, acoustic and fire insulation
  • Water repellent
  • Resists high temperatures
  • Easy to handle and install
  • Cost effective
  • No maintenance
  • Black or white tissue and aluminium foil facings available

SIDERISE Rockwool® slabs are suitable for a wide range of thermal, acoustic and fire insulation requirements both within buildings and for industry.


The insulation slabs can be used in external walls (metal frame, rainscreen, timber frame), facade systems (rendered facade, ventilated facade rainscreen cladding), flat roof (metal deck - warm roof, standing seam), HVAC (ducts - acoustic), intermediate floors (metal joists, timber joists), internal and separating walls (internal walls light framed partitions, metal frame, timber frame), separating floors (timber floating floor).

Industrial uses

This product provides effective thermal and acoustic insulation for boilers, ducts and vessels, and is commonly used in the chemical, petrochemical and power generating industries.

Its uses included furnaces, ovens, calorifiers, hot-water boilers, storage tanks, drying equipment and air conditioning plants.

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Construction product range

Firestops for Profiled Decks

Custom trapezoidal and profiled firestops for profiled decks offering up to 2 hours fire resistance. Read more

Soffit Liner

A composite insulation system for thermal insulating of soffits. Read more

Firestops for External Masonry Walls

A fire & acoustic cavity barrier for external cavity walls. Read more

Fire & Acoustic Closer for Party Walls

A 1 hour rated fire & acoustic cavity closer with integral DPC. Read more

Firestops for Tops of Walls

A one-piece passive fire insulation product for sealing the cavities formed between the top of compartment walls and the underside of the construction above, preventing the spread of fire and smoke and reducing sound transmission. Read more

Rockwool® Slabs

Versatile thermal acoustic insulation slabs are high quality resin bonded slabs that can be used for thermal, acoustic and fire insulation. Read more


A variety of ancillaries form part of the SIDERISE insulation range and are available to order. Read more


Technical resources

Make an enquiry

Whatever your insulation requirement, whether you are in the construction, marine, transport or energy generation sector, we can provide technical advice and a tailored insulation solution.

Talk to our Construction Team who will be happy to have a look at your project.

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