Knauf Earthwool Ceiling Insulation (South Africa)
Knauf Earthwool is one of the most trusted insulation brands in South Africa, known for its impressive thermal performance, soft handling and long-term durability. Browse the full range below, including 50mm, 75mm, 100mm and 135mm thicknesses.
Knauf Earthwool products are widely used for ceiling insulation in residential and commercial buildings. View our full range of ceiling insulation products.
Knauf Insulation Prices
Knauf insulation prices vary depending on the thickness, roll coverage and R-value. Compare the current Knauf prices below to see the cost per roll and approximate price per m².
| Knauf Thickness | Coverage | R-Value | Price per Roll | Price per m² |
|---|---|---|---|---|
| 50mm Knauf | 22.8m² | R1.25 | R987 | R43.29/m² |
| 75mm Knauf | 15.36m² | R1.88 | R910 | R59.24/m² |
| 100mm Knauf | 12.12m² | R2.50 | R916 | R75.58/m² |
| 135mm Knauf | 9m² | R3.38 | R899 | R99.89/m² |
All Knauf insulation prices shown include VAT and are for material supply only. Contact us for bulk quantities, delivery costs and current availability.
What Is Knauf Earthwool?
Knauf Earthwool is a high-performance glass mineral wool insulation designed to keep homes cooler in summer and warmer in winter. It’s soft to touch, easy to install, non-combustible and manufactured to meet SANS building energy standards.
Which Thickness Should You Choose?
- 50mm Knauf – suitable as a top-up layer or for improving older, underperforming insulation.
- 75mm Knauf – a mid-range option for warmer regions or where roof space or budget is limited.
- 100mm Knauf – a strong all-round choice for most homes, offering reliable performance.
- 135mm Knauf – the best-performing thickness for maximum comfort and energy efficiency.
Why Choose Knauf?
- Excellent thermal performance
- Low-itch, soft-handling insulation
- Non-combustible and SANS compliant
- Improved indoor comfort all year
- Long-lasting and maintenance-free
Compare Knauf to Other Products
Not sure how Knauf compares to other insulation options? Explore detailed comparisons to see how it performs in terms of price, thermal efficiency, fire resistance, and comfort.
- Compare Knauf vs Isotherm
- Compare Knauf vs Fabufill
- Compare Knauf vs Aerolite
Shop Knauf Insulation
Select the thickness you need for your home or project and let Insulation Warehouse deliver your order quickly and reliably throughout Johannesburg, Centurion and Pretoria.
Where to Go Next
- Return to the Insulation Overview → Insulation
- Explore insulation by brand → Brands
- Compare ceiling insulation options → Ceiling Insulation
- Learn about roof insulation products → Roof Insulation