
Rockwool Insulation Prices
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If you’re looking for insulation options for your home or business in South Africa, you may have come across Rockwool insulation. Its made from volcanic rock and the product offers several benefits over other types of insulation. In this guide, we’ll take a closer look at what Rockwool insulation is, how it works, and why it might be the right choice for your property.
What is Rockwool Insulation?
Rockwool insulation is made from basalt rock, which is heated to high temperatures and spun into fiberglass. These fibers are then compressed into batts, rolls, or loose-fill insulation that can be used to insulate walls, ceilings, and floors. It’s also known as stone wool insulation, and mineral wool insulation.
How Does Rockwool Insulation Work?
Rockwool insulation works by trapping air in the tiny spaces between its fibers. Air is a poor conductor of heat, so the trapped air helps to slow down the transfer of heat between the inside and outside of your property. This means that during the summer, it can help keep your property cooler, while in winter it can help keep it warmer.
What Are the Benefits of Rockwool Insulation?
Rockwool insulation offers several benefits over other types of insulation, including:
- Fire resistance: Non-combustible and can withstand temperatures of up to 1,000°C without melting or emitting toxic smoke. This means that it can help to slow down the spread of fire and give occupants more time to evacuate.
- Soundproofing: Excellent soundproofing properties and can help to reduce the transmission of noise between rooms or from outside. This makes it a popular choice for homes or businesses that are located in noisy areas.
- Energy efficiency: This can help to reduce the amount of energy needed to heat or cool your property, which can lead to lower energy bills and a reduced carbon footprint.
- Durability: Made from inorganic materials and resistant to mold, rot, and pests. This means that it can last for the lifetime of your property without needing to be replaced.
What is The Cost Rockwool Insulation in South Africa?
The cost of Rockwool insulation can vary depending on the type and amount of insulation you need, as well as the supplier you choose. Here are some estimated price ranges in South Africa:
- Rockwool roll insulation (50mm thick, 1.2m wide): R30 – R40 per square meter
- Rockwool slab insulation (50mm thick, 1.2m x 0.6m): R35 – R45 per square meter
- Rockwool loose-fill insulation (50mm thick): R50 – R60 per square meter
- Rockwool batt insulation (100mm thick, 1.2m wide): R70 – R80 per square meter
- Rockwool sound insulation (50mm thick, 1.2m x 0.6m): R80 – R100 per square meter
Please note that these prices are estimates and may vary depending on the specific supplier, installer, and location. It’s always best to get a quote for your specific needs to get an accurate price.
How is Rockwool Insulation Installed?
Rockwool insulation can be installed in several ways, depending on the type of insulation you choose and the area you want to insulate. Batts and rolls are typically used to insulate walls, roofs, and floors, while loose fill insulation is used to insulate hard-to-reach areas such as attics or crawl spaces.
Installation typically involves cutting the insulation to fit the area to be insulated, and then placing it between the studs or joists. The insulation should be snugly fitted to prevent air from passing through, but not compressed, as this can reduce its effectiveness.
How Does Rockwool Insulation Compare to Other Products?
Rockwool insulation offers several benefits over other types of insulation, making it a popular choice for homeowners and business owners in South Africa. Here are some ways it compares to other types of insulation:
- Fiberglass: Has a higher R-value (a measure of thermal resistance) than fiberglass of the same thickness, meaning it provides better insulation. It’s also more fire-resistant than fiberglass.
- Cellulose: More moisture-resistant than cellulose, which can absorb moisture and lose its insulating properties. It’s also more resistant to pests and mold growth.
- Spray foam: More cost-effective option than spray foam, which can be expensive to install. It’s also easier to install and doesn’t require specialized equipment.
- Reflective: Provides better soundproofing than reflective, which is designed primarily to reflect radiant heat.
Its a versatile and effective material that offers a range of benefits over other types of insulation. It’s widely available, relatively affordable, and easy to install, making it a great option for those who want to improve the comfort and safety of their property.
Where can I buy Rockwool insulation in South Africa?
It is widely available in South Africa and can be purchased from most hardware or building supply stores. It’s important to make sure that you’re purchasing from a reputable supplier to ensure that you get the quality and performance you need.
Is it Safe to Install?
Rockwool insulation is generally considered safe to use, as it’s made from inorganic materials and doesn’t emit any harmful chemicals or gases. However, it’s still important to wear protective clothing such as gloves, a dust mask, and safety glasses when handling it, as the fibers can be irritating to the skin, eyes, and lungs.
Conclusion
Rockwool insulation is a popular choice for homeowners and business owners in South Africa, thanks to its excellent fire resistance, soundproofing properties, energy efficiency, and durability. It’s widely available, relatively affordable, and easy to install, making it a great option for those who want to improve the comfort and safety of their property.
FAQS
It can be used in a variety of properties, including homes, offices, schools, and hospitals. However, it’s important to choose the right type of insulation for your specific needs and to follow proper installation guidelines.
It is not suitable for outdoor insulation, as it can absorb moisture and lose its insulating properties over time. For outdoor insulation, it’s best to use a specialized insulation material.

Rockwool Insulation Prices
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