63mm Cavitylite
In stock
R529,00 incl. VAT
63mm Cavitylite is a flexible Glasswool roll designed for long cavity walls, drywall systems and timber or steel frame structures. With an R-value of 1.66 and long roll lengths for faster installation, it offers a strong balance of acoustic performance and energy efficiency.
Est. Delivery: 20 July – 21 July
63mm Cavitylite – Acoustic & Thermal Roll Insulation for Wall Systems
63mm Cavitylite is manufactured as a flexible Glasswool roll, making it ideal for projects that require quick installation and fewer joins along wall cavities. Its roll format helps create a more consistent insulation layer, reducing weak spots where sound or heat can escape. With dependable acoustic absorption, solid thermal resistance and a non-combustible A1 fire rating, 63mm Cavitylite is a high-performance solution for internal wall systems in residential, commercial and multi-unit buildings.
Key Features & Benefits
- Flexible roll format for fast installation and long, continuous cavity coverage
- Excellent acoustic absorption, helping reduce sound transfer between rooms
- R-value of 1.66 supports improved temperature stability and energy efficiency
- Easy to unroll, trim and position during installation
- Fewer joins → reduced chance of gaps or performance loss
- Lightweight and simple to handle in tight spaces
- Compression packed to reduce transport and storage space
- Moisture-resistant, odourless and non-hygroscopic
Fire Performance & Safety
- Made from non-combustible Glasswool
- Tested to SANS 10177 Part 5
- SANS 428 Fire Classification: A/A1/1
- EN 13501 Classification: A1-s1, d0
- No known health risk when handled and installed correctly
These ratings allow 63mm Cavitylite to be used safely in internal walls requiring fire-compliant materials.
Environmental & Quality Credentials
- Manufactured according to ISO 9001:2015 quality standards
- Produced under ISO 14001:2015 environmental management
- Made using recycled glass
- Zero ozone-depleting potential (ODP)
- Zero global-warming potential (GWP)
- Will not support mould, fungi or bacteria
Cavitylite remains dimensionally stable, odourless and compatible with all standard construction materials.
63mm Cavitylite Specifications
- Brand: Isover
- Product: Cavitylite (flexible Glasswool roll)
- Application: Wall cavities, drywall systems, steel & timber frame structures
- Thickness: 63 mm
- R-Value: 1.66 m²·K/W
- Thermal Conductivity (K-value): 0.038 W/m·K
- Roll Length: 5400 mm
- Width: 600 mm (slit from 1200 mm wide roll)
- Density: 14 kg/m³
- Rolls per Pack: 2 rolls
- Coverage per Pack: approx. 6.48 m²
Typical Applications
63mm Cavitylite is suitable for:
- Long cavity walls in homes and commercial buildings
- Internal drywall partitions needing improved sound isolation
- Steel and timber frame wall systems
- Multi-room residential projects and apartment buildings
- Installations benefiting from long roll lengths and fewer joins
It is particularly effective in projects where installers prefer continuous coverage for better uniformity and reduced installation time.
Handling & Installation Notes
- Store in a clean, dry area before installation
- Allow roll to recover fully before cutting
- Unroll and cut sections to the desired length
- Fit snugly between studs with no gaps or compression
- Use a sharp blade for trimming around services
- Avoid excessive pressure on packaged rolls to prevent deformation
A Fast, Reliable Insulation Solution for Cavity Walls
The 63mm Cavitylite roll provides an excellent combination of acoustic control, thermal performance and installation efficiency. Its flexible roll format minimizes gaps, speeds up installation and delivers reliable long-term performance — making it a preferred choice for builders, contractors and homeowners looking for an effective wall insulation solution.
Where to Go Next
Return to the Insulation Overview → Insulation Guide
Browse insulation by application → Insulation Applications
Explore insulation by brand → Brands
Browse all Cavitylite products → Cavitylite
View wall insulation options → Wall Insulation
Learn more about reducing noise → Soundproofing
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.
