About Mineral Wool Batt Insulation
- Superior to fiberglass batt insulation for soundproofing capabilities
- Excellent fire resistance qualities
- Able to be used in any climate within the U.S.
- Used in all construction types, including residential and commercial
- Available with a foil facing
How much does it cost to install mineral wool insulation?
Mineral wool is a fiber insulation, similar to fiberglass, but is made from natural materials and not glass. There are two kinds of mineral wool available for home insulation – rock wool, which is made from fibers of stone and slag wool, are fibers made from iron ore waste. The slag and stone mineral wool insulation works as both a thermal insulation and acoustic insulation.
Why choose mineral wool insulation?
Mineral Wool Insulation Johns Manville Mineral Wool batts are made of inorganic fibers derived from basalt, a volcanic rock and are enhanced with glass fibers. Our advanced manufacturing technology ensures consistent product quality, with high-fiber density and low shot content for excellent performance.
Is fiberglass insulation better than mineral wool?
Mineral wool batt insulation is a popular insulation product for its effective acoustical and thermal barrier, as well as its fireblock qualities. It is used in interior and exterior wall cavities, ceiling cavities, attics, roofs, and decks.
How to install mineral wool?
Mineral wool insulation (also called rock or slag wool insulation): Made from rock, blast furnace slag, and other raw materials which are melted and spun into fibers to resemble the texture of wool. Mineral wool comes in batts, rolls or loose-fill forms.
What is mineral wool batt?
What is the difference between mineral wool and batt insulation?
What's the difference between fiberglass and mineral wool?
Does mineral wool insulation need a vapor barrier?
Which type of insulation is best?
Is mineral wool insulation worth it?
How long does mineral wool insulation last?
Where is mineral wool insulation used?
Is mineral wool insulation flammable?
Although both mineral wool and glass wool are non-combustible, mineral wool has far better fire-resistant qualities, so much so that it can be used as a fire stop.
Can mineral wool insulation be left exposed?
Does Rockwool need air gap?
Is it OK to compress Rockwool?
What is insulation facing?
When it comes to insulation that is available, there are two types that you can find: faced and unfaced. If an insulation product has facing, it me...
Where in a building or home is mineral wool batt insulation normally used?
Mineral wool batt insulation is a popular insulation product for its effective acoustical and thermal barrier, as well as its fireblock qualities....
What are the R-values for mineral wool batt insulation?
Mineral wool batt insulation provides a slightly higher R-value than fiberglass batt insulation, which makes it a popular choice for contractors in...
In what geographies can mineral wool batt insulation be used?
Mineral wool batt insulation can be utilized in a variety of applications and construction types in any geography across the United States. No matt...
Can mineral wool batt insulation be used in residential or commercial construction?
Yes, mineral wool batt insulation is able to be used in both residential and commercial construction. Wherever there is a need for a thermal and ac...
JM CladStone Water & Fire Block Mineral Wool
Manufactured from inorganic fibers derived from volcanic rock, Johns Manville CladStone™ Water & Fire Block Insulation is inorganic, noncombustible, moisture repellent and will not mildew or support corrosion.
MinWool Curtainwall
Using either plain or a foil faced vapor retarder, Johns Manville MinWool® Curtainwall insulation provides superior fire resistance and thermal properties to glass, metal and masonry curtainwall spandrel systems.
MinWool Safing
Providing a fire-rated seal between the spandrel panel and floor slab in commercial curtainwall systems, Johns Manville MinWool® Safing prevents smoke and flames from passing through openings in fire-rated assemblies.
MinWool Sound Attenuation Fire Batt (SAFB)
Delivering excellent sound absorption, Johns Manville MinWool® Sound Attenuation Fire Batts (SAFB) control noise in metal-stud wall cavities of interior partitions and exterior walls or above suspended ceiling systems.
TempControl Mineral Wool
Designed to help delay the spread of fire, Johns Manville Mineral Wool TempControl® Batts offer thermal control for wood-stud cavities of exterior walls, basements and heated crawlspaces.
What is mineral wool batt insulation?
Mineral wool batt insulation is a popular insulation product for its effective acoustical and thermal barrier, as well as its fireblock qualities. It is used in interior and exterior wall cavities, ceiling cavities, attics, roofs, and decks. To find the right mineral wool batt insulation product for your application, ...
What is the R value of mineral wool insulation?
The R-value for mineral wool batt insulation typically ranges from R-8 to R-49, but it can be found in values outside this range, as well. See the Service Partners climate zone map ...
Is mineral wool insulation better than fiberglass insulation?
When it comes to choosing the best soundproofing insulation product, mineral wool batt insulation is superior to fiberglass batt insulation. Whether you need soundproofing material for commercial or residential applications, you can trust mineral wool batt insulation to meet your needs, anywhere in the U.S.
Is mineral wool insulation good for soundproofing?
Great for Soundproofing. When it comes to choosing the best soundproofing insulation product, mineral wool batt insulation is superior to fiberglass batt insulation. Whether you need soundproofing material for commercial or residential applications, you can trust mineral wool batt insulation to meet your needs, anywhere in the U.S.
What is rock wool insulation?
Rock wool insulation provides thermal and sound insulation and can be used as a firestop between floors. Home Depot. The unique composition of rock wool produces a high-performing insulation with the following features: Made from natural, sustainable material. Typically contains up to 75 percent recycled content.
What is rock wool made of?
Rock wool, which is also called mineral wool, comes in easy-to-install batts, similar to fiberglass. But instead of being composed of fluffy glass fibers, rock wool is made of—you guessed it—rocks, which doesn’t even seem possible. Here’s a brief explanation of the manufacturing process.
Is rock wool fire resistant?
Because rock wool is highly fire resistant, it’s ideal—and often code-required—for use as a firestop between floors of a house. (During remodeling or new construction, ask the local building inspector to identify specific areas that require rock wool firestops.)
What is the R value of fiberglass insulation?
However, in most cases, you’ll recoup the additional cost through lower energy bills, because, while fiberglass insulation has an R-value of 19, rock wool has an R-value of 23. The increased insulation capability allows you to keep your home at a comfortable temperature for longer without needing to adjust your thermostat, ...
Why is it important to have insulation in your home?
The importance of a well-insulated home can’t be overstated: Properly sized and installed insulation can reduce energy usage, keep you warmer in winter and cooler in summer, and save you money with lower energy bills. For homeowners and homebuilders alike, fiberglass insulation has been the insulation of choice for many decades.
Is mineral wool insulation good for winter?
When properly installed, fiberglass and mineral wool are both excellent insulators and each will keep your home warmer in winter and cooler in summer. In fact, it’s not uncommon to find homes insulated with both types: economical fiberglass insulation installed throughout most of the house, and mineral wool used as firestops and in places where a little extra R-value is required, such as north-facing walls. When insulating your home, be sure to ask the local building inspector to specify the exact type and thickness of insulation required, and to point out any areas that need mineral-wool firestops.
What is the difference between mineral wool and fiberglass insulation?
Fiberglass has an R-value of approximately 2.2 to 2.7 per inch of thickness. Mineral wool has a slightly higher R-value, ranging between 3.0 and 3.3 per inch. Size: Fiberglass insulation is available in a wider range of sizes and types than mineral wool. Mineral wool insulation is typically only available in unfaced batts.
What is kraft paper insulation?
The kraft paper on fiberglass insulation acts as a vapor barrier. Be sure the paper faces the warm side of the room. For nearly 80 years, fiberglass insulation has been the most popular type of home insulation, and it’s easy to see why: Fiberglass is affordable, easy to install, readily available in a wide variety of sizes and, most importantly, ...
Is fiberglass insulation good for a home?
For nearly 80 years, fiberglass insulation has been the most popular type of home insulation, and it’s easy to see why: Fiberglass is affordable, easy to install, readily available in a wide variety of sizes and, most importantly, an excellent insulator. Fiberglass insulation is composed of fine glass fibers that are woven, ...
What is fiberglass insulation?
Fiberglass insulation is composed of fine glass fibers that are woven, lightly compressed and then cut into long rolls or batts. It is available faced with kraft paper or aluminum foil as well as unfaced.
When was fiberglass insulation invented?
Interestingly fiberglass insulation was invented quite accidentally. In the early 1930’s, a researcher was trying to create a vacuum seal between glass blocks when a jet of high-pressure air blew a stream of molten glass into whispery-fine fibers. That accidental discovery led to the first large-scale production of fiberglass strands, ...
What is rock wool made of?
But instead of being composed of fluffy glass fibers, rock wool is made from volcanic rock, primarily basalt. It, too, was invented by chance when it was discovered that strong winds routinely blew molten lava into fine threads that resembled wool during volcanic eruptions.
What is mineral wool used for?
Mineral wool is commonly used to insulate exterior walls, basements, and heated crawl spaces. It can also be used in continuous insulation applications. Fiberglass is typically used to insulate interior and exterior walls, basements, garages, and attics, but it is not used as continuous exterior insulation. Both mineral wool and fiberglass are ...
Is mineral wool better than fiberglass?
The primary reasons people choose to insulate are for thermal and acoustical control. For both of these characteristics, mineral wool has slightly better performance than fiberglass. For example, JM’s mineral wool batt, TempControl®, offers an R-15 at 3.5 inches, while JM’s fiberglass batts offer an R-13 at the same thickness.
Is mineral wool fire resistant?
While, both unfaced fiberglass and unfaced mineral wool are noncombustible and help delay the spread of fire, mineral wool does have a much higher melting point than fiberglass, and as such it is often considered the more fire-resistant material. INSULATION FACING & MOISTURE CONTROL.
Is fiberglass insulation good for basements?
Fiberglass is typically used to insulate interior and exterior walls, basements, garages, and attics, but it is not used as continuous exterior insulation. Both mineral wool and fiberglass are excellent home insulations. To learn more about insulation products from Johns Manville, visit our website.
What is fiberglass used for?
Both fiberglass and mineral can be used in a variety of assemblies to meet specific Sound Transmission Class (STC) requirements. FIRE RESISTANCE. In addition to thermal and acoustical performance, many people make insulation material selections based on fire protection.
