47.5kg Energylite Rolls
In stock
Price range: R1 644,00 through R2 052,00 incl. VAT
Energylite® 47.5 kg/m³ glasswool rolls are a medium-high density mineral wool insulation solution designed for applications requiring improved acoustic performance, enhanced fire resistance, and stable thermal control. Supplied in roll format, this density is commonly specified where continuous insulation coverage and fast installation are required without compromising rigidity or performance.
Est. Delivery: 20 July – 21 July
Energylite® 47.5 kg/m³ insulation rolls are manufactured from high-quality glasswool fibres and form part of the broader mineral wool insulation category, classified specifically as glasswool insulation. This density provides a balanced combination of sound absorption, fire safety, and thermal efficiency while remaining flexible enough for efficient handling and installation.
The roll format allows for uninterrupted coverage over large surfaces, making it suitable for technical, commercial, and industrial environments where consistent insulation performance is required. Energylite glasswool rolls are non-combustible, moisture resistant, and dimensionally stable, ensuring long-term performance when installed in protected internal applications.
Energylite glasswool insulation rolls form part of the mineral wool insulation category and are classified specifically as glasswool insulation, offering a balance of thermal efficiency, acoustic control, and installation flexibility.
These products are intended for internal insulation use only and are not suitable for exposed or weather-facing installations.
Typical applications
- Industrial sound control
- Fire-rated insulation systems
- Plant rooms and service areas
- Machinery and equipment enclosures
- Commercial and technical insulation installations
Available Roll Sizes & Coverage (47.5kg)
All Energylite 47.5 kg/m³ rolls are supplied at 1200 mm width. Length and coverage vary by thickness.
25mm Energylite Rolls (47.5kg)
Roll size: 10,000 × 1200 × 25 mm
Coverage: 12.0 m² per roll
Density: 47.5 kg/m³
Sales unit: Roll
40mm Energylite Rolls (47.5kg)
Roll size: 8,000 × 1200 × 40 mm
Coverage: 9.6 m² per roll
Density: 47.5 kg/m³
Sales unit: Roll
50mm Energylite Rolls (47.5kg)
Roll size: 5,000 × 1200 × 50 mm
Coverage: 6.0 m² per roll
Density: 47.5 kg/m³
Sales unit: Roll
Technical performance
Thermal conductivity (47.5 kg/m³)
0.040 W/m·K at 10 °C
0.043 W/m·K at 25 °C
0.046 W/m·K at 50 °C
Temperature rating
Maximum service temperature: 350 °C
Acoustic performance
Effective sound absorption across mid- to high-frequency ranges
Performance varies by thickness and installation method
Fire properties
Non-combustible mineral wool insulation
Does not contribute to flame spread or fire load
Other characteristics
Moisture resistant
Chemically inert
Will not support mould or bacterial growth
Maintains shape and performance under sustained heat exposure
Important notes
- Supplied per roll
- Internal use only
- Not suitable for exposed or external installations
- Installation should follow manufacturer and project specifications
Looking for Other Energylite Options?
View the full range of Energylite insulation products, including other densities and formats.
Where to Go Next
- Return to the Insulation Overview → Insulation
- Explore insulation by brand → Brands
- View all Energylite products → Energylite
- Compare sound insulation → Sound Insulation
- Learn about fire-rated insulation → Fire-Rated Insulation
| 47.5kg Energylite Rolls | 25mm, 40mm, 50mm |
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Delivery Information
At Insulation Warehouse, we provide fast, reliable delivery across our service network so you get the insulation you need without delays. We are an online insulation store and do not operate as a walk-in retail outlet. All orders are placed online, processed immediately, and delivered directly to your home, site, or business.
Delivery Timeframes
- Most standard orders are delivered within 1–3 business days
- Fast dispatch from our storage facilities
- Orders are shipped as soon as payment is received
Specialized Product Lead Times
A few specialized or less common items may require additional preparation before dispatch. These can include:
- Industrial densities
- Custom-sized or made-to-order insulation
- Foil-faced products
- Commercial or non-standard rolls
When these items require extra time, we’ll let you know the expected delivery window.
Delivery Network
We deliver insulation products throughout:
- Johannesburg
- Centurion
- Pretoria
These areas form our primary delivery network, ensuring quick turnaround times for homeowners, installers, and contractors.
We can also deliver to surrounding suburbs — just send us your address if you’re unsure.
Delivery Process
- Orders leave our storage facility once paid for in full
- Delivery updates and timelines are provided
- Large orders may arrive on pallets to ensure product protection
Fast, Reliable Service
Our goal is to provide the quickest, most convenient delivery service possible. Whether you’re insulating a home, office, or development, our streamlined logistics ensure your materials arrive safely and on time.
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