All About ROCKWOOL Insulation (Special Podcast)

Rockwool stone wool insulation package in foreground with construction worker installing insulation batt on home's exterior in background
Stone wool’s audio-absorbing and hearth-resistant qualities make for powerful insulation. (ROCKWOOL)

In this unique Today’s Home owner Podcast, we’re conversing all about stone wool insulation with Dan Edelman, Rockwool’s Nationwide Organization Improvement Manager.

Stone wool insulation is fire-resistant and non-combustible, providing your family members more time to securely escape a property hearth. (ROCKWOOL)

What is ROCKWOOL insulation?

Dan: ROCKWOOL insulation is a rock-centered mineral fiber insulation comprised of Basalt rock and Recycled Slag. Basalt is a volcanic rock (considerable in the earth), and slag is a by-product of the metal and copper business. The minerals are melted and spun into fibers.

ROCKWOOL merchandise contain among 16% or 40% pre-customer recycled materials dependent on the ROCKWOOL producing facility locale.

The amount of money of recycled material is optimized to supply the excellent thermal, acoustic, and fire protection properties from ROCKWOOL goods, whilst nevertheless maximizing the recycled material.


Rockwool factory in Byhalia, Mississippi
Rockwool’s manufacturing facility in Byhalia, Skip., was the company’s to start with production operation in the United States. (3 Echoes Written content Studio)

Dan: ROCKWOOL firm started in 1937 in Copenhagen, Denmark, and the enterprise expanded to the North American industry in 1988.

So, our merchandise is relatively new to North America, but traditionally it’s been around for really some time now. We just opened up a new advanced factory in Ranson, West Virginia. 

All of our factories are zero waste-to-landfill, and mainly because stone wool insulation is hydrophobic, we use recycled rainwater to minimize it. Even our factories that are wind- and h2o-powered are self-creating.

You can uncover out additional about how our sustainable factories operate on ROCKWOOL’s Sustainability webpage.

Positive aspects of Stone Wool Insulation

Not only is Rockwool insulation exceptionally fire-resistant, it also is effective to consist of hearth and avert its spread. (Rockwool)

Dan: ROCKWOOL stone wool insulation is in a natural way hearth-resistant due to the fact it is manufactured from rock. We don’t have to include any hearth retardants or chemical substances that boost flammability, so it is never ever heading to have a flame and has zero smoke growth.

Another advantage is mold resistance. ROCKWOOL stone wool insulation essentially repels water. There will usually be moisture in the air, especially when you are conversing about crawlspaces and attics.

Staying in a position to repel that humidity absent and endlessly staying a mildew and mildew-resistant merchandise, it is heading to help with the longevity of your wall assembly as well.

Attic Insulation

An interior view of a house attic under construction with stone wool insulation
An attic is a person of the most charge-helpful spots to include insulation. (ROCKWOOL)

Dan: ROCKWOOL insulation batts occur in 16-inch on centre or 24-inch on heart by 47 or 48 inches long, which is the fantastic dimensions for insulating attics. They fit beautifully between the studs, so you get that comprehensive cavity insulation.

Phase one when setting up attic insulation is to examine the latest insulation. Make guaranteed there’s no moisture, mould mildew, rodent droppings or rodents residing there. Rodents never generally care for ROCKWOOL insulation. 

After inspection, just lay the batts down perpendicular to the joists, particularly if the present insulation is only to the joists.

If the current insulation is beneath the joists, you’ll want to fill up to the joist line so you get more steady insulation.

ROCKWOOL insulation commonly has a 4.2 to 4.3 for each inch R-value, so you basically don’t want quite as significantly to hit the greater R-price. Even so, we have products and solutions with a greater R-worth mainly for attics.

Rockwool Stone Wool Insulation Safe n Sound
Rockwool Safe’n’Sound is built specially for audio dampening to support reduce noise from touring. (3 Echoes Material Studio)

What About Audio Insulation?

Dan: The finest thing for audio insulation is density and mass, both of which ROCKWOOL has. 

The other aspect to seem insulation is friction suit, how limited it suits in that wall cavity. If you have one space that you cannot insulate correctly, all the audio is likely by that one portion and you’re decreasing that audio insulation.

For additional details on ROCKWOOL stone wool insulation, go to and look at out our All About Insulation webpage.

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