High-performance stone wool insulation for walls, floors, roofs, and interior assemblies

Why builders choose ROCKWOOL

ROCKWOOL is known for stone wool insulation products designed for projects where thermal control alone is not enough. Across exterior walls, interior partitions, floors, crawlspaces, basements, and attic applications, the brand is widely used when teams need a material that supports energy performance, acoustic comfort, and dependable fire behavior in one system.

In this collection, you can explore ROCKWOOL product families used across residential and commercial construction, including batt insulation for framed cavities, rigid insulation boards for continuous insulation strategies, and acoustical fire batts for interior assemblies. This page is designed to help you understand where the brand fits, what makes it different, and which products to review first.

Comfortbatt exterior walls/exposed floors/basements/crawlspaces/attics; Comfortboard above-grade walls, below-grade foundation walls, under slabs and pitched roofs; AFB interior steel stud partitions.

Shop ROCKWOOL insulation products

Explore ROCKWOOL batt and board insulation products for exterior walls, interior partitions, floors, basements, crawlspaces, and continuous insulation applications.

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What makes ROCKWOOL different

  • Fire resilience

    ROCKWOOL stone wool insulation is non-combustible and can withstand temperatures above 1000°C, helping slow the spread of fire in building assemblies.

  • Acoustic control

    Stone wool is widely used where sound absorption and acoustic comfort matter, including interior partitions, wall systems, and floor-ceiling assemblies.

  • Thermal performance across applications

    From framed exterior walls to continuous insulation strategies, ROCKWOOL products are used to improve thermal performance across residential and commercial projects.

ROCKWOOL FAQs

What is ROCKWOOL made from?

ROCKWOOL insulation is made from stone wool. The material is engineered to deliver thermal performance while also supporting acoustic control and non-combustible fire behavior in many building applications.

Where are ROCKWOOL products commonly used?

ROCKWOOL products are used across exterior walls, interior partitions, floors, attic applications, crawlspaces, basements, and continuous insulation strategies. The exact product family depends on the assembly and performance target.

Is ROCKWOOL used for sound control?

Yes. ROCKWOOL stone wool insulation is widely used where acoustic control matters. Certain product lines are specifically positioned for interior walls and other assemblies where reducing sound transfer is a priority.

Why is ROCKWOOL often chosen for fire-focused applications?

ROCKWOOL stone wool insulation is non-combustible and can withstand very high temperatures, which is why it is often specified in assemblies where fire resilience is an important design consideration.

ROCKWOOL buying guides & resources

  • What Is Stone Wool Insulation and Where Does It Work Best?

    Learn what stone wool insulation is, how it differs from standard alternatives, and why it is often chosen for thermal, acoustic, and fire-focused building assemblies.

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  • Comfortbatt vs Comfortboard: Which ROCKWOOL Product Fits Your Project?

    Compare two of the most recognized ROCKWOOL product families and see when framed cavity insulation or rigid continuous insulation makes more sense.

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  • Why ROCKWOOL Is Used in Fire- and Sound-Focused Wall Assemblies

    Explore how ROCKWOOL products are used where fire resilience and acoustic performance matter, especially in partitions, floor-ceiling systems, and multi-layer wall designs.

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