Commercial & Industrial Roof Insulation

ISOVER Factorylite Roof Insulation

White-faced glasswool blanket for commercial and industrial roofs. Factorylite is installed over purlins beneath roof sheeting to reduce heat transfer and absorb sound. Choose from 50mm, 75mm, 100mm and 135mm, with published R-values from R1.28 to R3.46.

ISOVER Factorylite white-faced roof insulation roll with open glasswool blanket
R1.2850mm
R1.9275mm
R2.56100mm
R3.46135mm
White faced.
Made for roofs.
Thermal Performance Published R1.28 to R3.46.
Sound Absorption Glasswool helps absorb roof noise.
Non-Combustible Glasswool insulation and WMF facing.
White Facing White metalised foil finish.
Roof Installation Designed for over-purlin use.
Choose Your Factorylite Thickness

Find the right Factorylite for your project

Compare Factorylite roof insulation thicknesses by thermal performance, roll coverage and price to find the right option for your project.

135mm ISOVER Factorylite white-faced roof insulation roll

135mm
Factorylite

Coverage: 12m²
R-value: 3.46
Material: Glasswool
Fire: Non-combustible
Price: R1,820 / roll
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100mm ISOVER Factorylite white-faced roof insulation roll

100mm
Factorylite

Coverage: 12m²
R-value: 2.56
Material: Glasswool
Fire: Non-combustible
Price: R1,635 / roll
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75mm ISOVER Factorylite white-faced roof insulation roll

75mm
Factorylite

Coverage: 12m²
R-value: 1.92
Material: Glasswool
Fire: Non-combustible
Price: R1,441 / roll
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50mm ISOVER Factorylite white-faced roof insulation roll

50mm
Factorylite

Coverage: 12m²
R-value: 1.28
Material: Glasswool
Fire: Non-combustible
Price: R903 / roll
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About the Factorylite Range

ISOVER Factorylite
Roof Insulation

Factorylite is a foil-faced glasswool insulation range for commercial and industrial roofs. It is installed over the purlins beneath metal roof sheeting to reduce heat transfer and help control condensation. The white-faced option provides a clean finish beneath the roof.

Factorylite is available in 50mm, 75mm, 100mm and 135mm thicknesses, with product R-values from 1.28 to 3.46. Its non-combustible glasswool core also absorbs sound in large buildings. Compare the thicknesses by thermal performance and roll price to choose the right roof insulation for your project.

Glasswool Insulation Flexible material for metal roofs
White Foil Facing Helps manage roof condensation
Non-Combustible Tested to SANS 10177 Part 5
Compare Prices & Performance

Factorylite Prices & Cost Guide

Compare Factorylite roof insulation prices across four thicknesses, including roll coverage, R-values and approximate material cost per m². Factorylite is designed for use beneath metal roof sheeting.

Choosing the Right Factorylite Thickness

Compare each option by its R-value and the thermal performance required for your roof. A thicker roll generally provides greater resistance to heat flow.

Also consider the roof area, installation details and the total material cost per square metre.

Current Price Comparison
Product Coverage R-Value Roll Price Approx. Cost / m²
135mm Factorylite 12m² 3.46 R1,820 R151.67/m²
100mm Factorylite 12m² 2.56 R1,635 R136.25/m²
75mm Factorylite 12m² 1.92 R1,441 R120.08/m²
50mm Factorylite 12m² 1.28 R903 R75.25/m²

Price Per Roll

Roll prices differ by thickness and thermal performance.

Cost Per m²

Cost per square metre helps you compare material costs across the range.

Compare Four Thicknesses

Compare 50mm to 135mm Factorylite by R-value, coverage and material cost.

Prices shown are for insulation material only. Professional installation is quoted separately. Roll prices and cost per square metre update from WooCommerce when available.

Technical Specifications

Factorylite Product Specs

Select a Factorylite thickness to view its roof insulation specifications and thermal performance.

135mm ISOVER Factorylite white-faced roof insulation roll
135mm

Factorylite 135mm – Technical Specifications

Product 135mm Factorylite
Product type Roof Insulation
Material Glasswool Insulation
Thickness 135 mm
Roll length 10 m
Roll width 1,200 mm
Roll coverage 12.00 m²
R-value 3.46 m²·K/W
Density 12 kg/m³
NRC Not listed
Facing White metalised foil
Fire performance Non-combustible; tested to SANS 10177 Part 5
Application Industrial roofs; installed over purlins
R3.46 thermal resistance
Glasswool insulation for metal roof systems
White metalised foil facing
Non-combustible; tested to SANS 10177 Part 5
12m² coverage for the listed roll

Need Factorylite for Your Roof?

Tell us the size of your roof and the Factorylite thickness you are considering. We can help estimate the number of rolls required, compare the available options and provide a supply quote for your project.