Knauf Earthwool
135mm Knauf Ceiling Insulation
High-performance glasswool insulation for ceilings, providing excellent thermal and acoustic performance with an R-value of R3.38. Manufactured with ECOSE® Technology for a soft, flexible insulation solution.
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Product Overview
135mm Knauf Ceiling Insulation is a high-performance glasswool insulation roll designed to reduce heat transfer through ceilings and improve indoor comfort. It provides an R-value of R3.38 together with excellent thermal and acoustic performance.
Manufactured with ECOSE® Technology, the insulation is soft, flexible and non-combustible with an A1 fire classification. It is well suited to residential ceiling insulation, new homes and insulation upgrades.
Key Benefits
- ✓ Excellent thermal performance with R3.38
- ✓ Helps reduce heating and cooling loads
- ✓ Improves indoor comfort
- ✓ Excellent acoustic performance
- ✓ A1 non-combustible fire classification
- ✓ Soft and flexible to handle
- ✓ SABS approved
- ✓ Manufactured with ECOSE® Technology
Typical Application
Ideal for high-performance ceiling insulation in residential buildings and suitable commercial applications.
Technical Product Data
135mm Knauf Technical Specifications
Detailed product information for 135mm Knauf Ceiling Insulation, including roll dimensions, coverage, thermal performance, acoustic performance and fire classification.
| Brand | Knauf Earthwool |
|---|---|
| Product type | Ceiling Insulation |
| Material | Glasswool |
| Thickness | 135mm |
| Nominal roll size | 1.2m (W) × 7.5m (L) |
| Coverage per roll | 9.00m² |
| R-value | 3.38m²·K/W |
| Density | 12kg/m³ |
| K-value | 0.040W/m·K |
| NRC | 1.13 |
| Binder technology | ECOSE® Technology |
| Fire classification | A1 Non-Combustible |
| Applications | Ceiling insulation, retrofit projects, new homes and insulation upgrades |
Insulation Applications
Where Can Knauf Insulation Be Used?
Explore the main insulation applications for residential and commercial buildings.
Ceiling Insulation
High-performance insulation installed above ceiling boards.
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Roof Insulation
Explore insulation solutions for tiled, metal and other roofing systems.
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Wall Insulation
Explore insulation solutions for wall cavities and internal partitions.
View Wall Insulation →Professional Installation
Installing 135mm Knauf Ceiling Insulation
Correct installation helps maintain the intended thermal performance of the insulation.
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Installation ServicesProduct Documentation
Knauf Technical Downloads
View technical information, product literature and fire certification for Knauf Ceiling Roll.
Knauf Insulation Datasheet
Product dimensions, R-values, acoustic performance and technical specifications.
View Datasheet →Knauf Introduction Guide
Additional product and brand information supplied by Knauf Insulation.
View Brochure →Knauf Fire Certification
Fire performance certification for Knauf Ceiling Roll.
View Certificate →135mm Knauf Information
Frequently Asked Questions
135mm Knauf Ceiling Roll provides an R-value of R3.38m²·K/W.
One 135mm Knauf roll covers approximately 9m² and measures 1.2m × 7.5m.
The product carries an A1 non-combustible fire classification.
ECOSE® Technology is Knauf Insulation's bio-based binder technology used in its glass mineral wool products.
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