What Is Factorylite Insulation
Factorylite is a lightweight, flexible glasswool insulation blanket manufactured by Isover and designed primarily for industrial and commercial roofing systems. It is produced using high-quality non-combustible glass fibers bonded with an inert binder, creating a durable insulation layer that improves energy efficiency, indoor comfort, and building performance.
The product is faced with either reinforced foil or white metalized foil, providing a vapor barrier and radiant heat reflection layer that enhances insulation performance and helps prevent condensation under metal roofs.
Factorylite is widely used in factories, warehouses, shopping centers, schools, hospitals, and large commercial buildings where thermal control, acoustic performance, and fire safety are essential.
Factorylite Facing Options
Factorylite White Foil
White metalised foil facing is commonly used where a clean, bright ceiling appearance is required, such as retail spaces, showrooms, and public buildings. It offers the same thermal and vapor barrier performance while improving interior aesthetics.
Factorylite Silver Foil
Silver reinforced foil facing provides strong radiant heat reflection and durability, making it ideal for industrial roof structures and metal roofing systems exposed to high heat loads.
Both facings provide condensation control and improved thermal efficiency by acting as a reflective barrier.
Thickness Options
Factorylite is available in four main thicknesses, each offering different thermal performance levels:
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135mm Factorylite — Maximum thermal resistance
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100mm Factorylite — High performance for commercial roofs
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75mm Factorylite — Mid-range insulation
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50mm Factorylite — Entry level thermal control
Each thickness contributes to energy savings by reducing heat gain in summer and heat loss in winter.
Thermal Performance & Energy Efficiency
Factorylite significantly reduces heat transfer through the roof structure, helping maintain stable indoor temperatures. This improves comfort and reduces energy consumption for heating and cooling systems.
Thermal resistance ranges from approximately 1.28 to 3.46 m²·K/W depending on thickness, allowing specifiers to select the correct level of insulation for building requirements.
Fire Safety & Compliance
Factorylite is naturally non-combustible due to its glasswool composition and meets SANS fire safety standards. It does not propagate flame or produce significant smoke, making it suitable for high-risk environments such as industrial plants and public buildings.
Acoustic Performance
The fibrous structure of glasswool absorbs sound waves, reducing noise transmission and improving indoor acoustic comfort. This is particularly valuable in large buildings where echo and machinery noise are common.
Condensation Control
The foil facing acts as a vapor barrier, reducing moisture build-up under metal roofs and preventing corrosion or structural damage caused by condensation.
Durability & Longevity
Factorylite is maintenance-free and designed for long service life. It does not readily age and remains effective for decades when installed correctly.
Applications
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Industrial buildings
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Warehouses
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Factories
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Commercial roofs
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Shopping centers
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Schools and hospitals
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Retail stores
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Workshops
Specification Grid
| Specification | 50mm | 75mm | 100mm | 135mm |
|---|---|---|---|---|
| Thermal Resistance (R-Value) | 1.28 | 1.92 | 2.56 | 3.46 |
| Thickness | 50mm | 75mm | 100mm | 135mm |
| Roll Size | 10m x 1.2m | 10m x 1.2m | 10m x 1.2m | 10m x 1.2m |
| Coverage | 12m² | 12m² | 12m² | 12m² |
| Thermal Conductivity | 0.039 W/mK | 0.039 W/mK | 0.039 W/mK | 0.039 W/mK |
| Density | 12kg/m³ | 12kg/m³ | 12kg/m³ | 12kg/m³ |
| Fire Rating | Non-combustible | Non-combustible | Non-combustible | Non-combustible |
| Facing Options | White / Silver | White / Silver | White / Silver | White / Silver |
| Application | Industrial / Commercial | Industrial / Commercial | Industrial / Commercial | Industrial / Commercial |
Data compiled from manufacturer technical documentation.
Key Benefits
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Energy savings through reduced heat transfer
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Excellent thermal insulation performance
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Non-combustible fire safety
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Vapor barrier and condensation control
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Long lifespan and maintenance free
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Lightweight and easy installation
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Acoustic noise reduction
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Suitable for large roof spans
Installation Overview
Factorylite is typically installed over roof purlins using straining wires spaced at approximately 300mm centers. Foil overlaps are stapled to maintain continuity and vapor control.
Why Choose Factorylite
Factorylite is one of the most trusted industrial insulation products because it combines thermal performance, safety compliance, durability, and cost effectiveness. It is engineered specifically for large buildings where performance and reliability matter.
FAQs
1. What is Factorylite insulation made from
Factorylite is made from non-combustible glasswool fibers bonded with an inert binder.
2. What thickness should I choose
135mm offers maximum insulation, while 100mm provides a balance between performance and cost.
3. Is Factorylite fire resistant
Yes, it is non-combustible and compliant with SANS fire standards.
4. Can Factorylite reduce noise
Yes, glasswool provides excellent acoustic absorption.
5. Does it help prevent condensation
Yes, the foil facing acts as a vapor barrier.
6. Where can Factorylite be installed
It is used in factories, warehouses, commercial buildings, and industrial roofs.
7. Is Factorylite maintenance free
Yes, it requires no maintenance once installed.
8. How long does Factorylite last
It has a long lifespan and does not readily age.
9. Is Factorylite safe to handle
Yes, when installed according to guidelines.
10. What roll size is Factorylite
Typical rolls measure around 10m x 1.2m.
11. Can it improve energy efficiency
Yes, it reduces heat loss and heat gain.
12. Is Factorylite SANS compliant
Yes, it meets relevant South African standards.



