Ceiling Boards South Africa – Gypsum, Drywall & XPS
Shop high-quality ceiling boards and drywall boards for homes, renovations, commercial interiors and building projects. Our range includes imported BEAM gypsum boards, Rhinoboard, Summit XPS and Isoboard thermal ceiling boards, together with compatible plaster and finishing products. Get practical advice backed by more than 36 years in the insulation, ceiling and drywall industry.
Practical Ceiling Solutions for South African Buildings
BEAM gypsum ceiling and drywall boards
Rhinoboard and gypsum finishing products
Summit XPS and Isoboard thermal ceiling boards
Multiple board thicknesses and lengths
Supply-only and installation assistance
Trade and project quotations
Delivery options throughout South Africa
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Isoboard Ceilings Price List
Price range: R151.37 through R1,035.00 CeilingsRigid Isoboard ceiling insulation panels are designed for maximum thermal performance and long-term energy savings. Available in 30mm, 40mm, 50mm and 80mm thicknesses. Lightweight, moisture-resistant and easy to install for homes, offices and commercial buildings. Ideal for ceilings that need strong insulation with minimal thickness.
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Summit XPS Ceilings
Price range: R135.63 through R966.00 CeilingsTHESE PRICES TO BE UPDATED
Summit XPS Ceilings & Boards are high-density rigid ceiling panels designed for superior thermal performance and long-term energy savings. Lightweight, moisture-resistant and easy to install, these extruded polystyrene boards provide reliable insulation for homes, offices and commercial buildings. Ideal for ceilings, roofs and drywall applications, Summit XPS delivers excellent compressive strength and consistent R-values across all thickness options.
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40mm Isoboard Ceiling Boards
R197.71 Ceilings40mm Isoboard Ceiling Boards are South Africa’s premium rigid XPS ceiling insulation solution. These high-density extruded polystyrene boards combine excellent thermal performance (R-value 1.52) with structural strength, creating a finished ceiling in one easy step. Tongue-and-groove edges ensure seamless installation, while the closed-cell structure provides zero moisture absorption and long-term durability. Available in lengths up to 8 m and 600 mm wide, they are perfect for nail-up ceilings, suspended systems or retrofits. Self-extinguishing and SANS-compliant, 40mm Isoboard Ceiling Boards deliver enhanced energy savings, stable indoor temperatures and a modern, paintable finish without sagging or maintenance.
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30mm Isoboard Ceiling Boards
R148.30 Ceilings30mm Isoboard Ceiling Boards are South Africa’s premium rigid XPS ceiling insulation solution. These high-density extruded polystyrene boards combine excellent thermal performance (R-value 1.14) with structural strength, creating a finished ceiling in one easy step. Tongue-and-groove edges ensure seamless installation, while the closed-cell structure provides zero moisture absorption and long-term durability. Available in lengths up to 8 m and 600 mm wide, they are perfect for nail-up ceilings, suspended systems or retrofits. Self-extinguishing and SANS-compliant, 30mm Isoboard Ceiling Boards deliver energy savings, stable indoor temperatures and a modern, paintable finish without sagging or maintenance.
Choose the Right Ceiling Board for Your Project
The correct ceiling or drywall board depends on the application, supporting framework, required finish, moisture exposure, fire requirements, thermal performance and project budget. Conventional gypsum boards remain the established choice for smooth painted ceilings, drywall partitions, bulkheads and interior linings. Summit XPS and Isoboard are rigid extruded polystyrene boards that combine a neat ceiling surface with useful thermal resistance.
XPS ceiling boards are different from conventional gypsum boards. A gypsum ceiling provides a smooth, traditional painted finish but normally requires separate insulation above it. An XPS thermal ceiling contributes insulation as part of the ceiling itself. Additional bulk insulation may still be needed where a higher total R-value is required.
Browse the products above for current thicknesses, board lengths and prices, or contact us if you need help matching the board and finishing system to the job.
BEAM Gypsum Ceiling and Drywall Boards
Roof Insulations has imported BEAM Gboard gypsum boards manufactured by BEAM’s operations in Egypt and Saudi Arabia. BEAM is an established Middle Eastern manufacturer of gypsum boards, gypsum powders and building-finishing systems. Its manufacturing process is vertically integrated from raw-material extraction through production, shipping and technical assistance.
The BEAM range includes standard gypsum boards as well as specialised moisture-resistant, fire-resistant, acoustic, impact-resistant and other performance boards. Our current imported stock includes 7mm, 9.5mm and 12.5mm boards for ceiling and drywall applications. Always select the thickness and board type according to the complete installed system rather than thickness alone.
BEAM states that its Gboard products are manufactured and tested to recognised standards, including ASTM and EN specifications. The regular Gboard RG product is intended for standard internal ceiling and drywall applications, while specialised BEAM boards have their own stated applications and technical requirements.
BEAM Board Thicknesses We Stock
7mm BEAM ceiling boards: Lightweight boards intended for suitable ceiling applications. Confirm the board dimensions, support spacing and installation specifications before ordering.
9.5mm BEAM gypsum boards: A versatile option for appropriate ceiling and interior-lining systems, subject to the manufacturer’s installation requirements.
12.5mm BEAM drywall boards: A widely used thickness for drywall partitions, wall linings and selected ceiling systems where greater rigidity is required.
BEAM is a high-grade alternative for contractors and customers who want consistent boards supported by manufacturer technical documentation. We do not describe any board as universally “the best” because performance depends on using the correct board, framework, fasteners, jointing material and installation method as a complete system.
Rhinoboard and Gypsum Boards
We also supply Rhinoboard and other gypsum board options for conventional ceilings, drywall partitions, bulkheads and interior wall linings. Rhinoboard is a familiar choice in the South African construction market and remains popular with contractors who already know its handling and finishing requirements.
The best buying decision is not based on the name printed on the paper face alone. Compare the intended application, board thickness, edge profile, board dimensions, weight, technical certification, stock availability and total delivered price.
Where the building specification calls for a particular brand or tested fire, moisture or acoustic system, follow that specification exactly. Components from different systems should not be substituted casually where certified performance is required.
VIEW RHINOBOARD & GYPSUM BOARDS
Plaster, Jointing and Finishing Products
A professional gypsum ceiling or drywall partition depends on the finishing system as much as the board. We supply compatible plaster and finishing products, including BEAM finishing products and recognised gypsum-plaster options such as Rhinolite where stocked.
The product required may include jointing compound, tape, skim plaster or another finishing material depending on the board edge and chosen installation method. Use the board manufacturer’s recommended system whenever fire, moisture, acoustic or warranty performance is important.
BEAM recommends its Gcoat All Purpose Joint Compound for treating joints or skim coating on applicable Gboard systems. Product availability and exact application instructions must be checked on the relevant product page or technical datasheet.
Shop XPS Ceiling Boards in South Africa
In addition to gypsum ceilings and drywall boards, Roof Insulations supplies thermal ceiling boards to homeowners, builders, ceiling contractors and commercial customers. Our XPS range focuses on two recognised options: Summit XPS and Isoboard.
Both products are manufactured from rigid, closed-cell extruded polystyrene. This construction gives the boards low water absorption, good dimensional stability and consistent thermal performance. Their tongue-and-groove edges help form a continuous ceiling surface and reduce visible gaps when the boards are installed correctly.
Board prices vary according to brand, thickness, length, finish and order quantity. Long ceiling boards can also require specialised transport, so the cheapest board price is not always the lowest delivered project cost. For an accurate comparison, calculate the total square metres required and request a delivery quotation for your location.
Summit XPS Ceiling Boards
Summit XPS is a strong, high-density thermal ceiling board designed for residential, commercial and agricultural applications. It can be fitted beneath roof structures, between exposed beams, or as part of other approved insulation systems.
Summit XPS ceiling boards are a practical choice when you want:
A ceiling board and thermal layer in one product
A lightweight board that is easier to handle than many traditional ceiling materials
Good resistance to moisture and humid coastal conditions
A neat tongue-and-groove finish
A selection of thicknesses and lengths
A durable ceiling that will not settle like loose insulation
Thicker Summit XPS boards provide greater thermal resistance, but the best thickness must be chosen according to the complete roof and ceiling system. The 30mm and 40mm boards are often considered where space, price and weight are important. The 50mm and 80mm options provide higher thermal resistance for projects requiring improved performance.
Isoboard Ceiling Boards
Isoboard is a well-established South African XPS insulation board used in ceilings, walls, roofs and floors. In ceiling applications, it is frequently installed between exposed rafters or beneath a roof structure to create a clean, insulated finish.
Isoboard is worth considering when you need:
A proven XPS ceiling product
Useful thermal performance without a heavy ceiling system
Resistance to moisture absorption
A tongue-and-groove ceiling finish
Several thickness and board-length options
A product suitable for new buildings and renovation work
Isoboard and Summit XPS perform a similar basic function, but prices, finishes, available sizes and project requirements can influence the final choice. Don’t choose either product based on brand name alone. Compare the correct thickness, declared thermal value, required quantity and delivered price.
Summit XPS vs Isoboard Ceilings
Summit XPS and Isoboard are both rigid extruded polystyrene ceiling boards. Neither is automatically the best choice for every project. The right option depends on the required board length, thickness, finish, availability and total project price.
| Feature | Summit XPS | Isoboard |
|---|---|---|
| Material | Closed-cell extruded polystyrene | Closed-cell extruded polystyrene |
| Main benefit | Ceiling finish and thermal resistance in one board | Ceiling finish and thermal resistance in one board |
| Moisture resistance | Very good | Very good |
| Edge profile | Tongue and groove | Tongue and groove |
| Common applications | Ceilings, roofs, walls and selected commercial projects | Ceilings, roofs, walls and floors |
| Thickness choice | Multiple options available | Multiple options available |
| Best buying approach | Compare thickness, finish, length and delivered cost | Compare thickness, finish, length and delivered cost |
For a direct product comparison, contact us with the room dimensions, roof type, location and preferred finish. We can help you compare equivalent options instead of comparing boards that differ in thickness or size.
What Thickness of XPS Ceiling Board Should You Choose?
The thickness of an XPS ceiling board affects its thermal resistance. In simple terms, a thicker board slows heat transfer more effectively than a thinner board made from the same material.
30mm XPS Ceiling Boards
The 30mm Isoboard option is commonly considered for budget-sensitive installations, renovations with limited space, and projects that require moderate thermal improvement. It creates a neat ceiling finish but should not automatically be treated as sufficient insulation for every roof design or South African climate zone.
40mm XPS Ceiling Boards
The 40mm Isoboard option offers a useful balance between board thickness, price and thermal resistance. It is popular for residential ceilings, exposed-beam applications, garages and renovation projects where better performance than a 30mm board is required.
50mm XPS Ceiling Boards
A 50mm Isoboard board provides higher thermal resistance and is a stronger choice where indoor comfort and energy performance have greater priority. It can be suitable for homes, offices and commercial projects, subject to the requirements of the complete roof system.
80mm XPS Ceiling Boards
The 80mm Isoboard option provides substantially greater thermal resistance than the thinner boards. It is generally considered for higher-performance applications, but availability, board length, installation details and the required roof build-up must be confirmed before ordering.
South African energy-efficiency requirements apply to the complete roof and ceiling assembly. No single board thickness should be described as universally compliant without considering the climate zone, roof material, air spaces and additional insulation layers.
XPS Ceiling Boards vs Gypsum Ceiling Boards
XPS and gypsum are both useful ceiling materials, but they solve different problems.
| Consideration | XPS thermal ceiling boards | BEAM, Rhinoboard and gypsum boards |
|---|---|---|
| Thermal resistance | Built into the board | Separate insulation is normally required |
| Weight | Lightweight | Heavier than XPS |
| Moisture absorption | Very low | Standard gypsum can be damaged by prolonged moisture |
| Finish | Tongue-and-groove board finish | Smooth, jointed and painted finish |
| Installation | Clean and relatively quick when correctly planned | Requires fixing, jointing, skimming where applicable and painting |
| Acoustic absorption | Limited on its own | Limited on its own; insulation above improves performance |
| Typical use | Thermal ceilings, exposed beams, garages and selected renovations | Ceilings, drywall partitions, wall linings and bulkheads |
Choose XPS when thermal performance, low weight, moisture resistance and installation speed are priorities. Choose gypsum when you want a conventional seamless painted ceiling, detailed bulkheads or a finish that forms part of a complete fire-rated or acoustic system.
Where sound control is important, XPS alone is not the best sound absorber. A correctly specified layer of glasswool or acoustic insulation can be added as part of the roof or ceiling system.
Ceiling Board Sizes and Quantity Calculations
XPS ceiling boards are commonly supplied in a 600mm width, with various board lengths available to suit different rooms and roof layouts. Available lengths and thicknesses differ by product, so always check the chosen product page before placing an order.
To estimate the basic quantity:
Measure the length and width of each ceiling area.
Multiply the length by the width to calculate square metres.
Add the separate areas together.
Allow for cutting and reasonable wastage.
Confirm that the selected board length is practical for the room and transport route.
Rooms with unusual angles, exposed beams, skylights or several small sections may require more cutting and therefore a higher wastage allowance. For large or complicated projects, send us the dimensions before ordering.
Ceiling Board Prices and Delivery
Ceiling board prices are affected by thickness, board length, finish, brand and quantity. Because some boards are exceptionally long, transport can form a meaningful part of the total cost. This is especially important for small orders delivered over long distances.
The product cards above should display current online pricing or price ranges. If the required size is not listed, or if you are ordering for a complete house, development or commercial project, request a formal quotation.
Delivery options are available to many areas of South Africa, subject to product length, quantity and carrier availability. Western Cape customers can contact us about local delivery, collection and installation assistance. Never assume that an eight-metre board can travel through a normal parcel courier network; confirm transport arrangements before finalising the order.
Why Buy Ceiling Boards From Roof Insulations?
Roof Insulations brings more than 36 years of practical insulation, ceiling and drywall-industry experience to product selection. We understand that a board is not chosen from a photograph alone. Application, framework, support spacing, board dimensions, thickness, edge type, fixing method, finishing system, transport and the required result all affect the job.
Customers choose us for:
Practical advice based on real installation experience
Imported BEAM gypsum ceiling and drywall boards
Rhinoboard and gypsum finishing products
Recognised XPS ceiling brands
Multiple thickness and length options
Assistance with product and quantity selection
Trade, project and bulk quotations
Delivery guidance for long and fragile products
Installation assistance in selected Western Cape areas
We aim to help you order the correct product and quantity the first time.
Frequently Asked Questions About Ceiling Boards
Where are BEAM gypsum boards manufactured?
BEAM operates integrated manufacturing facilities in Egypt and Saudi Arabia. The country of manufacture for each stocked board should be stated on its product page and packaging because individual products or shipments may come from different BEAM facilities.
Are BEAM gypsum boards good quality?
BEAM manufactures a broad range of regular and performance gypsum boards supported by technical datasheets and recognised ASTM and EN testing. That makes BEAM a credible high-grade option. Final performance still depends on selecting the correct board and installing the complete ceiling or drywall system properly.
What are 7mm, 9.5mm and 12.5mm boards used for?
The thinner boards are generally selected for suitable ceiling and lining applications, while 12.5mm gypsum board is widely used for drywall partitions, wall linings and certain ceiling systems. The correct use also depends on board dimensions, support spacing, edge type and the manufacturer’s system specification.
Do you also sell Rhinoboard?
Yes. We supply Rhinoboard alongside BEAM gypsum boards and XPS ceiling products. Availability, thicknesses, dimensions and prices should be confirmed on the relevant product listing or quotation.
Do you sell plaster and jointing products?
Yes. We supply board-finishing products, including compatible BEAM products and recognised gypsum plasters such as Rhinolite where stocked. Use the specified jointing and finishing system for the selected board, particularly where certified fire, moisture or acoustic performance is required.
What are the best ceiling boards for a hot South African home?
XPS thermal ceiling boards are a strong option when you want the ceiling surface to contribute useful insulation. The best solution still depends on the roof material, climate zone and total required R-value. In demanding conditions, an XPS ceiling can be combined with suitable bulk insulation above it.
Are XPS ceiling boards waterproof?
XPS has a closed-cell structure and very low water absorption, making it considerably more moisture-resistant than standard gypsum board. It should not, however, be used as a substitute for repairing roof leaks or waterproofing the building envelope.
Is Summit XPS better than Isoboard?
Both are recognised XPS products with similar applications. Compare the correct thickness, declared product specifications, available finish, board length, price and delivery cost. The better option is the one that meets the specific project requirements at the best total value.
What is the most popular XPS ceiling-board thickness?
The 30mm and 40mm options are frequently considered for residential ceilings because they balance thickness and cost. A thicker 50mm or 80mm board provides higher thermal resistance. Popularity should not replace a proper assessment of the complete roof system.
Do XPS ceiling boards need additional insulation?
Sometimes. XPS contributes thermal resistance, but the board alone may not achieve the total performance required for every climate zone or roof construction. Aerolite or Knauf insulation can be added above the ceiling where greater thermal and acoustic performance is required.
Can XPS ceiling boards be installed between exposed beams?
Yes. This is one of their most attractive applications. Accurate measuring, straight support lines and neat cutting are essential because the finished board remains visible between the beams.
Can XPS ceiling boards be painted?
Many XPS ceiling-board finishes can be painted with compatible water-based products. Follow the board manufacturer’s preparation and coating instructions, and test the proposed coating on a small offcut when uncertain.
Are XPS ceiling boards good for soundproofing?
XPS is a thermal insulation material and does not provide the same sound absorption as thick glasswool or purpose-made acoustic insulation. Where noise control matters, use it as part of a properly designed layered ceiling system.
How do I calculate how many ceiling boards I need?
Calculate the ceiling area in square metres, match it against the coverage of the selected board size and add an allowance for cutting and wastage. Send us the measurements if you would like assistance before ordering.
Do you deliver ceiling boards nationwide?
Delivery is available to many South African locations, but the final option and charge depend on board length, quantity and destination. Long boards need suitable handling and cannot always be shipped by an ordinary courier. Contact us for confirmation.
Do you install ceiling boards?
Installation assistance is available in selected Western Cape areas. Send us the property location, ceiling area, roof type and preferred product so that we can confirm availability and provide the correct quotation.
Order Ceiling Boards With Expert Advice
Compare the Summit XPS and Isoboard products above, select the required thickness and board length, or ask us to help with your project. For larger orders, unusual roof designs or delivery outside the Western Cape, request a quotation before purchasing.
