63mm Cavitybatt
In stock
R1 944,00 incl. VAT
63mm Cavitybatt is a high-density Glasswool insulation designed for internal walls, drywalls and cavity walls where improved thermal comfort and stronger acoustic performance are required. With an R-value of 1.66, this thickness offers a solid balance of heat reduction and sound absorption, making it ideal for residential and commercial wall systems.
Est. Delivery: 20 July – 21 July
63mm Cavitybatt – Acoustic & Thermal Insulation for Drywall Systems
Produced from high-performance Glasswool made with recycled content, the 63mm Cavitybatt offers an ideal balance of sound reduction and thermal comfort for modern internal wall systems. Lightweight, semi-rigid and compression packed, it allows for easier transport and quick installation on site. With its A1 fire rating and non-combustible construction, the 63mm option provides dependable safety for interior partitions where acoustic privacy and energy efficiency matter.
Key Features & Benefits
- Designed specifically for steel frame, timber frame and drywall construction
- Strong acoustic absorption to help reduce noise transfer between rooms
- Offers reliable thermal resistance (R-1.66) to support indoor comfort
- Glass tissue facing adds rigidity and improves handling during installation
- Cuts cleanly for precise fitting around electrical boxes and service lines
- Will not settle or deteriorate over time — remains maintenance free
- Compression packed to reduce storage space and simplify logistics
- High tear strength while still easy to shape for accurate placement
Fire Performance & Safety
- Manufactured from non-combustible Glasswool
- Tested and verified according to SANS 10177 Part 5
- SANS 428 Fire Classification: A/A1/1
- EN 13501 Fire Classification: A1-s1, d0
- No known health concerns when correctly handled and installed
These fire-safe properties make 63mm Cavitybatt well suited for internal walls in residential, commercial and multi-unit buildings where compliance and occupant safety are crucial.
Environmental & Quality Credentials
- Produced under a certified ISO 9001:2015 quality management system
- Manufactured according to ISO 14001:2015 environmental standards
- Made from recycled glass, contributing to responsible material use
- Zero ODP (ozone-depleting potential)
- Zero GWP (global-warming potential)
Cavitybatt is non-hygroscopic, odourless and chemically inert. It will not corrode metal components, will not support fungal growth or mould, and is compatible with all common building materials used in wall systems.
63mm Cavitybatt Specifications
- Brand: Isover
- Product: Cavitybatt (glass tissue–faced Glasswool slab)
- Application: Drywall systems, internal cavity walls, timber & steel frame structures
- Thickness: 63 mm
- R-Value: 1.66 m²·K/W
- Thermal Conductivity (K-Value): 0.038 W/m·K
- Length: 1200 mm
- Width: 600 mm
- Density: 14 kg/m³
- Pieces per Pack: 30 batts
- Pack Size: 1210 × 610 × 460 mm
(Approximate coverage: ±21.6 m² per pack.)
Typical Applications
63mm Cavitybatt is suited for:
- Internal drywall partitions in homes, offices and commercial interiors
- Timber and steel frame wall systems
- Spaces needing improved sound privacy between rooms
- Cavity walls requiring moderate thermal and acoustic performance
- Renovations and new builds where a mid-range insulation thickness is ideal
Though designed primarily for wall cavities, it may also be used in certain ceiling or roofline areas where appropriate.
Handling & Installation Notes
- Store packs flat in dry, protected areas
- Avoid applying heavy loads to prevent deformation
- Use a sharp knife for accurate trimming around outlets and conduits
- Insert batts with the glass tissue facing the exposed side
- Fit firmly between studs and avoid gaps to prevent sound or heat leakage
A Practical, Reliable Insulation Solution for Internal Walls
The 63mm Cavitybatt provides a well-balanced solution for acoustic comfort, thermal performance and fire safety inside drywall and framed wall systems. Its non-combustible properties, eco-friendly production, and installer-friendly design make it a dependable option for contractors and homeowners looking for quality insulation that enhances comfort and reduces noise within interior spaces.
Where to Go Next
Return to the Insulation Overview → Insulation Guide
Browse insulation by application → Insulation Applications
Explore insulation by brand → Brands
Browse all Cavitybatt products → Cavitybatt
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.
