Summit XPS Ceiling Installation Prices
Thermal ceilings have become one of the most popular ceiling solutions in South Africa because they provide both insulation and a clean, finished ceiling surface in a single system. XPS ceiling boards, such as Isoboard and Summit XPS, are widely used in residential homes, offices, apartments, and commercial buildings due to their excellent thermal performance and durability.
On this page, you will find our installed ceiling prices. Summit XPS Ceiling Installation Prices, including Labour and installation materials. These systems provide a practical solution for improving indoor comfort while also creating a neat, modern ceiling finish.
All installations are carried out by Cape Ceilings & Drywalling Pty Ltd, a professional ceiling installation company with extensive experience installing XPS ceiling systems throughout Cape Town and the West Coast.
What Are XPS Thermal Ceilings?
XPS ceilings are manufactured from extruded polystyrene insulation boards, which combine structural strength with excellent insulation properties. These boards are installed directly onto ceiling joists or battens using specialised clips and adhesive systems.
Once installed, the boards form a smooth finished ceiling surface while also providing thermal insulation. This makes XPS ceilings an ideal solution for homes that require both insulation and ceiling finishing.
Unlike traditional ceilings that require separate insulation layers, XPS ceilings provide both functions in a single installation.
“Summit XPS is a rigid, high-performance insulation board designed for maximum thermal efficiency and structural strength, making it ideal for ceilings, slabs, and demanding environments.”
Thermal Performance
| Specification | 30mm | 40mm | 50mm |
|---|---|---|---|
| R-Value | 1.151.53 | 1.91 | |
| U-Value (W/m²K) | 1.10 | 0.83 | 0.67 |
| K-Value (Thermal Conductivity) | – | – | 0.029 – 0.034 W/mK |
- XPS has a better K-value than most insulation
- That means high efficiency per mm thickness
Summit XPS Ceiling Structural & Mechanical Performance
| Specification | Value |
|---|---|
| Compressive Strength | ±250 – 300 kPa |
| Load Bearing | High |
| Dimensional Stability | Excellent |
| Edge Profile | Square / Shiplap (depending on product) |
Summit XPS Moisture & Durability
| Specification | Value |
|---|---|
| Water Absorption | <1% (very low) |
| Moisture Resistance | Waterproof structure |
| Mould Resistance | Will not support mould |
| Longevity | 30+ years |
👉 Big advantage over glass wool:
- Does not sag
- Does not absorb moisture
Acoustic Performance
| Specification | Value |
|---|---|
| Sound Insulation | Low |
| NRC | Poor |
- XPS is not for sound insulation
- Do not sell it as such
BEST USE CASE
| Application | Suitability |
|---|---|
| Ceilings (below roof sheets) | Excellent |
| Concrete slabs | Excellent |
| Underfloor insulation | Excellent |
| Industrial/commercial | Excellent |
| Acoustic insulation | Poor |
Benefits Of Summit XPS Ceiling Installation Prices
Installing a thermal ceiling system offers several advantages for homeowners and businesses. The Isoboard Sumit XPS Ceiling Installation offers guaranteed quality.
Improved Indoor Comfort
XPS ceiling boards help regulate indoor temperatures by reducing heat transfer through the roof structure. This keeps homes cooler in summer and warmer in winter.
Energy Efficiency
By improving the insulation value of your ceiling, you can significantly reduce heating and cooling costs.
Fast Installation
Thermal ceiling boards can often be installed faster than conventional ceiling systems because the insulation and ceiling surface are combined.
Moisture Resistant
XPS boards are resistant to moisture absorption, which helps prevent sagging and deterioration over time.
Lightweight Yet Strong
These boards are lightweight but structurally stable, making them suitable for many ceiling applications.
Professional Summit XPS Ceiling Installation By Cape Ceilings & Drywalling
Correct installation is essential for the performance and longevity of XPS ceilings. Improperly installed ceiling boards can lead to:
• uneven ceiling surfaces
• poor fixing stability
• visible joints
• reduced insulation performance
Our installation teams have extensive experience installing Isoboard and Summit XPS ceiling systems in both residential and commercial buildings.
All installations are carried out by Cape Ceilings & Drywalling Pty Ltd, a trusted ceiling installation company serving Cape Town and the West Coast region.
Our installers ensure that every ceiling is fitted correctly with proper spacing, fixing and finishing to achieve the best results.
Standard Summit XPS Ceiling Installation Prices
Our standard Summit XPS Ceiling installation prices include the following components:
• XPS ceiling boards
• metal fixing clips
• specialised ceiling adhesive
• professional installation Labour
• standard cornice installation
These prices apply to standard ceiling applications where boards are installed directly onto existing ceiling structures.
30mm Summit XPS Ceiling Installation Prices
Installed Price
R442.62 per m²
Includes boards, clips, adhesive, labour, and standard cornice installation.
Board Price
R140.95 per m²
Installation Materials & Labour
R301.67 per m²
40mm Summit XPS Ceiling Installation Prices
Installed Price
R490.77 per m²
Board Price
R188.95 per m²
Installation Materials & Labour
R301.67 per m²
50mm Summit XPS Ceiling Installation Prices
Installed Price: Includes the ceiling boards as well as installation. Installation includes all Clips and Glue required for proper installation.
R535.75 per m²
Board Price
R234.10 per m²
Installation Materials & Labour
R301.67 per m²
Summit XPS Ceiling Installation Between Exposed Ceiling Beams
In some homes, the ceiling boards must be installed between existing ceiling beams rather than directly below them. This type of installation may require additional preparation and measurement.
For these installations, a site inspection may be required before confirming the final price.
Estimated pricing:
30mm / 40mm / 50mm installations
From approximately R403.21 per m²
Additional Installation Options
Some installations may require additional materials depending on the structure of the ceiling.
Timber Batons
If the ceiling structure requires additional support, timber batons may need to be installed before the ceiling boards are fitted.
38 x 38 Batons Installed
R16 per meter
50 x 38 Batons Installed
R23 per meter
SANS Compliant Thermal Ceiling Systems
In order to meet SANS building energy efficiency standards, ceilings in the Western Cape should achieve a thermal resistance value of approximately R3.7 or higher.
To achieve full compliance, additional insulation may be required above the XPS ceiling boards.
This can include:
• 75mm ceiling insulation installed above the ceiling
• high R-value Sisalation reflective foil
Typical cost for Sisalation foil installation is approximately R59 per m² installed.
Installation Areas
We provide ceiling installation services in:
Cape Town
Table View
Milnerton
Blouberg
West Coast
Saldanha
Langebaan
Vredenburg
Surrounding areas
Distance fees may apply depending on the installation location.
Installation 5 Year Warranty
All installation work completed by Cape Ceilings & Drywalling Pty Ltd includes a 5-year workmanship guarantee.
This ensures that your ceiling installation is completed to a high standard and provides long-lasting performance.
Request A Summit XPS Ceiling Installation Price Quote
Customers who purchase XPS ceiling boards through our online store can also request professional installation.
For more complex installations, a site inspection may be required before final pricing is confirmed.
Our team will assist you in selecting the correct ceiling board thickness and installation method to suit your building.



