Roxul is our #1 choice of insulation in exposed areas. It is non-flammable. After installation it releases very little dust comparatively. The dust released has really no harmful effects other than slight irritation.

Can you leave Roxul exposed?

It is completely safe to leave mineral wool insulation exposed. Additionally, mineral wool is extremely durable, resisting fire, water, mold, and deterioration. However, if damaged, it can begin to deteriorate, and particles may become airborne.

Is exposed rockwool safe?





According to the website for the Agency for Toxic Substances and Disease Registry, skin exposure to rockwool can cause acute irritation of the skin, eyes and the upper respiratory tract which causes difficulty breathing and can lead to infection. Sharp fibers also can pierce the skin increasing the risk of infection.

Is Roxul insulation safe?

ROXUL SAFE™ is a lightweight, semi-rigid stone wool insulation that provides superior fire resistance and sound control. ROXUL SAFE™ is UL and Intertek approved as a forming material for numerous firestop systems.

Does Roxul insulation contain formaldehyde?

10) Does ROCKWOOL contain formaldehyde? Standard ROCKWOOL products do currently use a phenol formaldehyde binder during production. During manufacturing, the binder is cured at very high temperatures leaving only trace amounts in the product after it is produced.

Is Rockwool cancerous?

The EPA has classified refractory ceramic fibers as probable human carcinogens. The International Agency for Research on Cancer (IARC) has determined glass filaments, glass wool, rock wool, and slag wool to not be classifiable as to their carcinogenicity to humans (Group 3).

Does Rockwool need to be faced?





Note that rock-wool insulation only comes un-faced, meaning there’s no kraft-paper or foil barrier. Depending on the situation, you may need to install an independent permeable membrane to serve as a vapor barrier.

Is there asbestos in Rockwool insulation?

Rock Wool Manufacturing Company Facts



In 1988, the company added wrapped pipe insulation to its product line. Rock Wool still makes products for residential, industrial and commercial buildings as well as marine applications, none of which contains asbestos.

When did Rockwool contain asbestos?

It seems that after banning asbestos in 1999, we have chosen a replacement in mineral wool that is just as deadly. Dr Drent added: “The point is that these substances are harmful, but people do not realise it sufficiently, and that is something we have to worry about.

Why is Rockwool toxic?

New blocks can contain a lot of dust and loose fibers that can get in your eyes, mouth, skin and lungs. It’s similar to asbestos in the sense that the little fibers can lodge themselves in your lungs if you’re working with it a lot.

What is the safest insulation to use?



Compared to fiberglass insulation, any of the above options would be safer than insulating your home with tiny glass shards dipped in formaldehyde. However, the safest option of all is cellulose.

Is mineral wool insulation harmful?

Quote from the video:
Quote from Youtube video: Alone mineral will also resist pests fire and moisture very few insulation materials have all these benefits wrapped into one package. But what is mineral exactly mineral wool insulation is made from

Is Roxul mineral wool?

Rockwool or Roxul Insulation is a type of mineral wool insulation made from stone fibres. It provides a variety of benefits when properly installed, and is capable of making significant improvements to a home or commercial building.

Does Roxul insulation need to be covered?



Rockwool does not need to be covered since it won’t really affect your health in a negative way (maybe some skin, eye and respiratory system irritation, but not in a serious way), and it’s also not harmful for rockwool to be exposed since humidity, water, and other elements, aren’t really going to do anything to it.

Why did Roxul change its name?

The rebrand will allow ROXUL to better leverage the ROCKWOOL Group’s longstanding leadership position in the international insulation marketplace. The rebrand will make possible a multitude of advantages—some of which have already been evident.

Which is better Roxul or fiberglass?

Water resistance: While fiberglass insulation tends to soak water up like a sponge, Roxul is incredibly water resistant. If you worry about mold or mildew growing in your insulation, or you live in an area that is prone to floods or other storm issues, then Roxul is the naturally superior choice.

What are the disadvantages of Rockwool?

The only disadvantages of Rockwool are that it is not biodegradable and can be slightly more expensive than similar insulating materials like fiberglass and cellulose.

Do you need a vapor barrier with roxul?



roxul Comfortbatt is an unfaced semi-rigid batt insulation and a vapor retarder may be required by building code depending on the geographic location of the building. The use of a vapor retarder will limit the amount of water vapor that will move to the outside wall – reducing condensation in the wall assembly.