ROCKWOOL Safe'n'Sound Unfaced Mineral Wool Batt Insulation – 3 in x 16-1/4 in x 48 in (64 sq ft)

Regular price $90.19

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Unfaced mineral wool sound & fire batt insulation

ROCKWOOL Safe'n'Sound® unfaced stone wool batts are designed for interior walls, floors, and ceilings where improved sound control and fire resistance are needed. The friction-fit batts are easy to cut and help resist moisture and water for dependable performance in residential wood or steel stud construction.


Key Features:

  • Superior Sound Dampening: Stone wool batts help reduce noise transfer in interior partitions and between floors.
  • Non-Combustible Fire Resistance: High melting point (approx. 2150°F / 1177°C) helps slow fire spread and adds time in an emergency.
  • Moisture & Water Resistant: Low moisture sorption and water repellency help maintain insulating performance.
  • Easy Friction-Fit Installation: Sized for standard framing cavities and can be easily cut for a snug fit.
  • Mold & Mildew Resistance: Does not rot or promote the growth of fungi or mildew.

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Product name 3 in x 16-1/4 in x 48 in, Unfaced, Mineral Wool Batt Insulation, 64 sq-ft
Brand ROCKWOOL®
Sub-brand Safe'n'Sound®
Category Batt Insulation
Material Mineral wool (stone wool)
Facing type Unfaced
Thickness 3 in
Width 16-1/4 in
Length 48 in
Coverage area 64 sq ft
Installation type Ceiling, Floor, Wall
Density 2.5 lb/cu-ft
Resists Fire, Moisture, Water
Safety warning California Proposition 65 warning (www.P65Warnings.ca.gov)

Frequently Asked Questions (FAQ):

Q: Where can this batt insulation be installed?
A: It’s intended for interior wall, floor, and ceiling applications in residential wood and steel stud construction.


Q: Is this insulation faced or unfaced?
A: Unfaced.


Q: What are the batt dimensions and coverage per package?
A: Each batt is 3 in thick x 16-1/4 in wide x 48 in long; the package covers 64 sq ft.


Q: Does it help with both sound and fire resistance?
A: Yes—Safe'n'Sound® is designed for acoustical performance and is non-combustible with a melting point around 2150°F (1177°C).


Q: How do you cut and fit it?
A: It’s designed for an easy friction fit and can be easily cut to size for framing cavities.


Quiet luxury, built into the walls

Great design isn’t only what you see—it’s what you feel: calm, cocooned, and effortlessly composed. These unfaced stone wool batts bring a hush to busy interiors while adding a confident layer of fire resistance behind the scenes. Use them in media rooms, nurseries, or between floors to soften footsteps and sharpen the sense of sanctuary. It’s the kind of invisible upgrade that makes a space feel undeniably more luxurious.


Upgrade your interior walls, floors, or ceilings with ROCKWOOL Safe'n'Sound® batts for a quieter, more resilient home.

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