The company began trading as “Rockwool International A/S” on the Copenhagen Stock Exchange in 1995. Before it became a public company, it was a family-owned business, held by the Kähler family. The company’s first plant in the United States opened in 2014 in Marshall County, Mississippi.
Where is Rockwool manufactured?
Our strong and growing presence in North America includes manufacturing sites in Marshall County, Mississippi as well as Milton, Ontario and Grand Forks, British Columbia. We plan to open our newest facility in Jefferson County, West Virginia in the fall of 2020.
What industry is ROCKWOOL in?
ROCKWOOL Limited is part of the ROCKWOOL Group. With one factory based in Bridgend, South Wales and over 500 employees across the UK, we are the local organisation offering a full range of high-performing and sustainable insulation products for the construction industry.
What is rock wool insulation?
ROCKWOOL insulation is a rock-based mineral fiber insulation comprised of Basalt rock and Recycled Slag. Basalt is a volcanic rock (abundant in the earth), and slag is a by-product of the steel industry. The minerals are melted and spun into fibers.
Is Rockwool a private company? – Related Questions
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.
Is there a problem with rockwool insulation?
Not one type of cavity wall insulation material is completely waterproof, Rockwool and Whitewool are the worst when it comes to holding water.
Is rock wool insulation better than fiberglass?
In many ways, mineral wool is a superior insulation product. It has a higher R-value per inch compared to fiberglass, about a 22-37% higher R-value. It contains 70% recycled material, making it a greener product than fiberglass at 20-30% recycled material..
What are the benefits of rockwool insulation?
10 Benefits of Rockwool Insulation
- Made from stone (basalt rock) and recycled steel slag.
- Higher R-values than fiberglass insulation.
- Moisture resistant.
- Completely resistant to rot, mildew, mold, and bacterial growth.
- Fire resistant.
- Rodent-resistant.
- Does not itch.
- All-friction fit.
Does rock wool insulation contain asbestos?
Rock Wool still makes products for residential, industrial and commercial buildings as well as marine applications, none of which contains asbestos.
How long does rockwool insulation last?
Made from cellulose or mineral wool, this type of insulation will also last as long as 100 years – but is prone to settling and compacting.
Can mold grow on rockwool insulation?
The rock is melted, along with recycled slag and spun into stone wool insulation. Because it is made of stone, an inorganic material, it does not act as a food source for spores or mold. As such, stone wool insulation will not contribute to the growth of mold, mildew, bacteria or rot.
Can you touch rockwool with bare hands?
Wear protective gloves, goggles, and long sleeves when handling your rockwool, no matter what form it’s in.
Will rockwool cause damp?
As compared to chemical products like polyurethane foam, rock wool insulation is a vapour permeable material. This means that damp can freely circulate and evaporate, so the risk of damp problems remains limited.
Does algae grow on rockwool?
In summary- Rockwool suppresses algae growth and has many other advantages over hydroponic mediums. It’s hydrophilic, which means it holds moisture well and has a neutral pH level compared to most hydroponics.
Can you get root rot in rockwool?
Avoid using previously used rockwool to start plants, and also avoid reusing any growing media repeatedly to grow the same crop or crops within the same botanical family. To prevent issues due to the presence of rotting roots, you can simply treat the used rockwool with enzymes.
How often should I water rockwool?
Rockwool holds about 80% water and 20% air when oversaturated and needs to dry out (similiar to a soil-based medium) before it is watered again. In an ideal environment, Hugo Rockwool blocks generally need watering once a day in the Vegetative Growth Stage and twice a Day in the Bloom Stage.
Can you overwater rockwool?
Do Not Overwater Rockwool. You should allow for 15-30% run off after every feed in order to maintain optimal nutritional conditions in the root zone. Any more than this and you are at risk of over watering which can lead to algae growth.
How many layers of rockwool do I need?
DO use two layers of Rockwool in walls and ceilings, and leave a little space between them. DON’T forget about interior walls. To further reduce sound transfer put layers of Rockwool between the interior walls of a space. It can add a level of privacy for people living in close quarters.
What causes root rot in rockwool?
While the pythium pathogen can be transferred by pests like fungus gnats, the most likely cause of root rot is a lack of drainage, oxygen, or the unmitigated presence of moisture in soil/soilless containers.
How do you prevent mold on rockwool?
1. Use a commercial fungicide spray
- Consider getting the pre-mixed solution. Test on a small area of one or two plants before applying to everything.
- With the lights off, remove the yCubes and spray only the rockwool, paying close attention to not oversaturate the yCube.
- Repeat as often as instructed on the label.
