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Rockwool is a high-quality, non-combustible insulation made from volcanic rock and recycled slag. It keeps my home energy-efficient and provides soundproofing that really works.

Rockwool is durable, fire-resistant, and eco-friendly. The mineral fiber insulation made of basalt and slag keeps my home warm and quiet all year.

Rockwool is a natural and sustainable insulation option. Its dense fibers from basalt and slag reduce heat loss and sound transmission, improving comfort throughout the house.

Rockwool is an eco-friendly option that performs well in extreme temperatures. The basalt and slag fibers resist fire and moisture, keeping my home comfortable and safe.

I was able to install this batt quickly, and it provides excellent thermal protection. The density helps prevent gaps, which is a huge plus for energy savings.

I appreciated the quality of this insulation batt. It’s easy to install and provides excellent thermal efficiency. My energy bills have gone down since I installed it.

This insulation feels dense and solid. My home is quieter and I feel more secure knowing it won’t promote flame spread.

I was impressed with the rigid structure and moisture resistance. Perfect for below-grade insulation in our new construction project.

Everything received as ordered.

One of the best investments we made during our home addition. Energy savings and peace of mind rolled into one.

I’ve used several types of insulation, but Comfortbatt® is top-tier. It’s durable, non-itchy, and great for soundproofing between floors.

Super efficient product. Keeps heat out during summer and in during winter. Will be using again on my next retrofit.

Solid product. The rigid design made installation easier than expected. Works great under concrete slabs—definitely keeps moisture and cold out.

I recommend Rockwool to all my clients. It’s fire-resistant, moisture-resistant, and sustainable. The basalt base really makes a difference.

Rockwool has changed the insulation game. It’s dense, quiet, and efficient. Plus, it’s made from nature’s toughest materials—stone and slag.

This insulation works like a charm. It’s dense, eco-friendly, and very effective in controlling temperature and sound. I’m a big fan.

Very high temperature resistance. We tested up to 1000°F and it held up great. Highly recommend for commercial use.

The semi-rigid texture is perfect! It’s easy to handle and doesn't crumble during installation. A great product for fire protection.

This mineral wool is amazing. The fact it’s made from basalt rock makes it unique and trustworthy. Installation was a breeze.

I used Rockwool in my office renovation. The mineral fiber really blocks out sound. Made from volcanic rock? No wonder it’s fire-resistant too!

Excellent performance in fire-rated assemblies. I used this between concrete slabs and firewalls—fits tightly and performs incredibly well.

Rockwool's mineral fiber insulation works wonders in my basement. The rock-based material keeps moisture out and heat in. Plus, it feels durable and safe.

Comfortbatt was easy to cut to size and install in tricky attic spaces. The stone wool material feels very effective and safe.

I was skeptical at first, but this product really works. Great R-value and no sagging in the wall cavity.

This stone wool insulation exceeded my expectations for thermal performance. It was easy to cut and fit into steel stud framing, making my renovation project easier.

The thermal performance of ComfortBatt really stands out. Our home is more energy-efficient, and installation was straightforward. I also appreciate the fire safety benefits.

Rockwool’s natural mineral fiber insulation is dense and effective. It holds up well to moisture and fire, making it an excellent choice for both thermal and safety reasons.

I love that Rockwool is made from natural volcanic rock and recycled industrial by-products. It installs easily and provides great insulation value, making my home more energy-efficient.

The non-directional fiber structure means this insulation fills spaces without leaving gaps. I’m happy with how well our home stays warm during cold months. Installation was fairly simple.

This insulation works great for both soundproofing and thermal efficiency. The basalt rock base and recycled slag fibers are impressive materials that make Rockwool durable and environmentally friendly.

I highly recommend this batt for anyone needing high-performance insulation. It’s thick, dense, and easy to cut for a perfect fit, making installation a breeze.

The insulation quality of the ComfortBatt is excellent. It’s dense and easy to cut, and I’m already seeing savings on my utility bills.

This batt helped me reduce energy loss in my home. The stonewool feels high-quality and is simple to cut and fit into wall cavities. Definitely improved my insulation.

Great product for anyone wanting to upgrade insulation. The stonewool material is impressive for energy efficiency, and installation was very straightforward.

This product is a great investment. It provides excellent fire protection and acoustic dampening in one easy-to-install package.

The ComfortBatt R30 exceeded my expectations. It’s thick but manageable to install by myself. I can already feel the difference in temperature control inside my home.

The rigid stone wool feels sturdy, and I like that it doesn’t support flame spread. Definitely a safer insulation option.

We installed Comfortboard in our new home, and the energy savings were immediate. The boards are easy to attach with screws.

ROCKWOOL Comfortbatt was incredibly easy to work with. The flexible edge helped me get a perfect fit with minimal effort. Great product for DIYers!

This insulation works really well in basement walls. It was easy to handle and didn’t irritate the skin like fiberglass.