Safe'n'Sound®
ROCKWOOL Safe'n'Sound® is a stone wool batt insulation designed for superior fire resistance and acoustic performance in interior wall cavities, floors and ceilings in both wood and steel frame construction.
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Popular applications
- Interior insulation
- Acoustic insulation
- Fire protection insulation
- Partition wall insulation
- Interior floor insulation
- Interior ceiling insulation
About this product
ROCKWOOL Safe'n'Sound® stone wool batts designed for interior walls, floors and ceilings transforms your home into a safer, quieter space. This friction-fit insulation works in both wood and steel framing, staying firmly in place without sagging.
Rated to resist temperatures over 1,000°C/1842°F, it won't produce toxic smoke or spread flames. Plus, it's mold-resistant and GREENGUARD Gold certified for healthier indoor spaces.
- Noncombustible and fire resistant
- Excellent acoustic performance
- Easily cut with a serrated knife
- Snug fit between wood and steel studs
- Water and moisture repellent
Why use stone wool insulation
- Stone wool provides excellent noise reduction and sound absorption to help you create quieter, more productive environments.
- Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
- Water resistant, stone wool does not rot or promote the growth of mildew, fungi or mold.
- Stone wool batts are lightweight and easy to install.
Applications
- Installed in wood and steel framed interior wall assemblies.
- Six inch thick batts are available for floors and ceilings.
- Perfect for noise control between rooms, such as bathrooms, bedrooms and basements.
- Designed for both new construction and retrofit projects.
Safe'n'Sound® insulation applications
Interior walls
Installing interior wall insulation is one of the best ways to reduce noise and help to protect against fire risks inside of a home. Safe'n'Sound can be added to partition and separation walls, creating a safer and more comfortable home or working environment. Common applications include bathroom or bedroom renovations, and when insulating around a home theater or noisy shared spaces.
Floors and ceilings
Safe'n'Sound, available in a 6" thickness, easily installs in floors and ceilings, supporting the acoustic and fire protection in basement renovations.
Installation
Safe'n'Sound is simple to cut with a serrated knife for an optimal fit around electrical boxes and penetrations. This snug fit, combined with it's high density fiber structure, helps to minimize airflow and reduce noise traveling between interior spaces.
Product certificates
UL Classified - CA/USA
ULC Listed
UL GREENGUARD Gold Certified
Safe'n'Sound® sizes, dimensions & packaging
Find Safe'n'Sound® thickness, width, length and pack quantities—everything you need for accurate specification and ordering.
- All
- 3
- 6
- All
- 16
- 19.2
- 24
- All
- I-Joist
- Steel Stud
- Wood Stud
Specifications & testing
Explore Safe'n'Sound® specifications and test results, based on relevant industry standards.
| Name | Value | Test standard |
|---|---|---|
| Mineral Fiber Thermal Insulation for Buildings | Type 1 Compliant | CAN/ULC S702 |
| Mineral Fiber Blanket Thermal Insulation | Type 1 Compliant | ASTM C665 |
| Flame spread index | 0 | ASTM E84 |
| Smoke Developed Index | 0 | ASTM E84 |
| Combustibility of Materials at 750 °C | Non-combustible | ASTM E136 |
| Determination of Non Combustibility of Building Materials | Non-combustible | CAN/ULC S114 |
Safe'n'Sound® technical documents & resources
Download Safe'n'Sound® technical documents and resources, including the product data sheet, to support accurate specification and efficient project planning.
Safe'n'Sound fire and soundproofing insulation - Data sheet
Safe'n'Sound contractor brochure
Fire and Soundproofing insulation for interior partition walls, floors and ceilings
Safe'n'Sound soundproofing solutions brochure
Fire and Soundproofing insulation for interior partition walls, floors and ceilings
Residential product guide USA - ENSP
Our residential product guide offers advice on insulating to save energy, insulating for a quiet home, maximizing comfort, and importance of vapor barriers.
Residential product guide Canada - ENFR
Our residential product guide offers advice on insulating to save energy, insulating for a quiet home, maximizing comfort, and importance of vapor barriers.
Safe’n’sound for floors and ceilings
Fire protection for i-joist assemblies with rockwool
Guidelines for cutting stone wool insulation
Related products
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Interior floor
AFB®
ROCKWOOL AFB® is a stone wool batt insulation for interior partitions in commercial construction. AFB provides the best mix of fire resistance, sound absorption, and durability an insulation has to offer.
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Product support & insights
From expert technical guidance to real-world case studies and certified sustainability documents, access the tools and insights that support confident, high-performance building with stone wool insulation.
Speak to an expert
Contact our technical team for product, application, and building science support on stone wool insulation.
View our case studies
Discover some of our case studies to learn more about applications of our products in various projects across North America.
Access sustainability documentation
Explore ROCKWOOL’s certified products for transparency and sustainability, including EPDs, HPDs, GREENGUARD, and Declare labels.
