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Rock wool insulation, also known as mineral wool, is a type of thermal insulation made from natural volcanic rock or basalt. The manufacturing process involves melting the rock at high temperatures and then spinning it into fibers, which are then formed into batts, boards, or loose-fill products. This material is known for its excellent thermal resistance, soundproofing capabilities, and fire resistance, making it a popular choice in various construction applications.
| Thermal conductivity | Typically ranges from 0.035 to 0.045 W/m·K |
| Density | Commonly between 30 to 200 kg/m³ |
| Fire rating | Non-combustible, typically classified as A1 |
| Moisture resistance | Water-repellent and does not promote mold growth |
| Sound absorption | NRC ratings typically between 0.70 to 1.00 |
When selecting rock wool insulation, consider the thermal conductivity and density that best suit your project requirements. It's important to specify the fire rating and moisture resistance needed for your application. Additionally, inquire about the available sizes and forms, such as batts or loose-fill, and ensure compliance with local building codes. Requesting a quote for bulk quantities may also yield better pricing.
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The R-value typically ranges from R-3.0 to R-4.0 per inch of thickness.
Yes, it is made from natural materials and is recyclable.
Yes, it is suitable for both interior and exterior wall applications.
It is non-combustible and can withstand high temperatures without melting.
It is water-repellent and does not absorb moisture, preventing mold growth.
Common thicknesses range from 1 inch to 4 inches.