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Ceiling, Roof & Wall Insulation Prices
Shop glasswool, polyester and radiant barrier insulation from leading brands. Compare current prices per roll or pack, thicknesses and coverage, then select the products you need.
Prices include VAT. Delivery and installation quoted separately.
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38 products
Ceiling Insulation Prices
Compare glasswool and polyester by thickness, R-value and roll coverage.
Glasswool
50mm Knauf
Glasswool roll for insulation upgrades in ceilings.
R 987.00
per roll · including VAT
R 43.29/m²
Glasswool
75mm Knauf
Flexible glasswool insulation for ceilings.
R 910.00
per roll · including VAT
R 59.24/m²
Glasswool
100mm Knauf
Glasswool roll for thermal and acoustic ceiling insulation.
R 916.00
per roll · including VAT
R 75.58/m²
Glasswool
135mm Knauf
Thicker glasswool roll for insulated ceilings.
R 899.00
per roll · including VAT
R 99.89/m²
Glasswool
50mm Aerolite
Soft Touch glasswool roll for insulation upgrades.
R 520.00
per roll · including VAT
R 43.33/m²
Glasswool
100mm Aerolite
Glasswool insulation for thermal comfort in ceilings.
R 619.00
per roll · including VAT
R 85.97/m²
Glasswool
135mm Aerolite
Soft Touch glasswool insulation for insulated ceilings.
R 629.00
per roll · including VAT
R 104.83/m²
Polyester
40mm Fabufill
Polyester roll for ceiling insulation upgrades.
R 499.00
per roll · including VAT
R 41.58/m²
Polyester
50mm Fabufill
Polyester roll for ceiling insulation upgrades.
R 516.00
per roll · including VAT
R 43.00/m²
Polyester
75mm Fabufill
Flexible polyester insulation for ceilings.
R 613.00
per roll · including VAT
R 51.08/m²
Polyester
100mm Fabufill
Polyester insulation roll for insulated ceilings.
R 599.00
per roll · including VAT
R 83.19/m²
Polyester
135mm Fabufill
Thicker polyester roll for insulation in ceilings.
R 680.00
per roll · including VAT
R 113.33/m²
Polyester
145mm Fabufill
Thicker polyester roll for insulation in ceilings.
R 699.00
per roll · including VAT
R 116.50/m²
Polyester
40mm Isotherm
Polyester roll for ceiling insulation upgrades.
R 499.00
per roll · including VAT
R 41.58/m²
Polyester
50mm Isotherm
Polyester roll for ceiling insulation upgrades.
R 516.00
per roll · including VAT
R 43.00/m²
Polyester
75mm Isotherm
Flexible polyester insulation for ceilings.
R 613.00
per roll · including VAT
R 63.85/m²
Polyester
100mm Isotherm
Polyester insulation roll for insulated ceilings.
R 599.00
per roll · including VAT
R 83.19/m²
Polyester
135mm Isotherm
Thicker polyester roll for insulation in ceilings.
R 680.00
per roll · including VAT
R 113.33/m²
Polyester
145mm Isotherm
Thicker polyester roll for insulation in ceilings.
R 699.00
per roll · including VAT
R 116.50/m²
Roof Insulation Prices
Compare Factorylite, Alububble, Scrim Facing and Sisalation by roll price and coverage.
Faced glasswool
50mm Factorylite
White-faced glasswool insulation for metal roofs.
R 903.00
per roll · including VAT
R 75.25/m²
Faced glasswool
75mm Factorylite
White-faced glasswool insulation for metal roofs.
R 1,441.00
per roll · including VAT
R 120.08/m²
Faced glasswool
100mm Factorylite
White-faced glasswool insulation for metal roofs.
R 1,635.00
per roll · including VAT
R 136.25/m²
Faced glasswool
135mm Factorylite
White-faced glasswool insulation for metal roofs.
R 1,820.00
per roll · including VAT
R 151.67/m²
Bubble foil
Alububble White
White-faced bubble foil for roof insulation.
R 2,192.00
per roll · including VAT
R 47.65/m²
Bubble foil
Alububble Black
Black-faced bubble foil for roof insulation.
R 2,192.00
per roll · including VAT
R 47.65/m²
Bubble foil
Alububble Double Sided
Double-sided bubble foil for roof insulation.
R 2,310.00
per roll · including VAT
R 50.22/m²
Radiant Barriers
Scrim Facing White
White reflective facing for industrial roof applications.
R 2,148.00
per roll · including VAT
R 51.14/m²
Radiant Barriers
Scrim Facing Domestic
Radiant barrier for domestic roof applications.
R 1,372.00
per roll · including VAT
R 31.18/m²
Radiant Barriers
Scrim Facing Industrial
Radiant barrier for industrial roof applications.
R 1,852.00
per roll · including VAT
R 44.10/m²
Radiant Barriers
Sisalation NC502
Sisalation Fireshield NC502 radiant barrier for roofs.
R 2,365.00
per roll · including VAT
R 53.75/m²
Radiant Barriers
Sisalation FR405
FR405 radiant barrier for roof insulation.
R 1,899.00
per roll · including VAT
R 43.16/m²
Radiant Barriers
Sisalation FR430
FR430 radiant barrier for roof insulation.
R 2,310.00
per roll · including VAT
R 52.50/m²
Radiant barrier products use effective coverage after side overlaps: 100mm for Alububble and 150mm for Sisalation. Scrim coverage is an estimate using a 150mm overlap. Allow extra for end laps and cutting waste.
Wall Insulation Prices
Compare Cavitybatt and Cavitylite by thickness and product coverage.
Glasswool
51mm Cavitybatt
Glasswool batts for cavity walls and partitions.
R 1,999.00
per pack · including VAT
R 69.41/m²
Glasswool
63mm Cavitybatt
Glasswool batts for cavity walls and partitions.
R 1,871.00
per pack · including VAT
R 86.62/m²
Glasswool
102mm Cavitybatt
Glasswool batts for cavity walls and partitions.
R 2,008.00
per pack · including VAT
R 139.44/m²
Glasswool
51mm Cavitylite
Glasswool sections for wall and partition insulation.
R 562.00
per roll · including VAT
R 78.06/m²
Glasswool
63mm Cavitylite
Glasswool sections for wall and partition insulation.
R 559.00
per roll · including VAT
R 86.27/m²
Glasswool
102mm Cavitylite
Glasswool sections for wall and partition insulation.
R 915.00
per roll · including VAT
R 141.20/m²
All Insulation Products
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Compare Ceiling Insulation Products
Compare the main ceiling insulation products above by material, thermal performance, fire rating and handling before choosing the right option for your project.
| Product | Material | Highest R-Value | Fire Rating | Handling | Best Suited To |
|---|---|---|---|---|---|
| Knauf Earthwool | Glasswool → | 3.38 | Soft touch, low dust | High-performance insulation for ceilings | |
| Aerolite Soft Touch | Glasswool → | 3.38 | Soft touch | High-performance insulation for ceilings | |
| Fabufill | Polyester → | 3.17 | Non-irritant | Easy handling and polyester applications | |
| Isotherm | Polyester → | 3.37 | Non-irritant | Residential polyester insulation |
Thermal performance varies by thickness. Use the individual product cards above to compare roll price, coverage and R-value for each option.
- SABS approved
- A1 fire rating
- Excellent thermal performance
- Excellent acoustic performance
1. Knauf Earthwool Prices
Knauf Earthwool is a high-quality glasswool ceiling insulation manufactured with ECOSE® Technology , providing a soft touch, low dust levels and Euroclass A1 fire-rated performance. It is designed for comfort, safety and superior energy efficiency in homes and buildings.
| Thickness | Roll Price | Coverage | Roll Price/m² | R-Value | Density |
|---|---|---|---|---|---|
| 50mm Knauf | R987 | 22.80m² | R43.29/m² | 1.25 | 12kg/m³ |
| 75mm Knauf | R910 | 15.36m² | R59.24/m² | 1.88 | 12kg/m³ |
| 100mm Knauf | R916 | 12.12m² | R75.58/m² | 2.50 | 12kg/m³ |
| 135mm Knauf | R899 | 9.00m² | R99.89/m² | 3.38 | 12kg/m³ |
Knauf is popular with homeowners wanting low-itch handling, excellent energy performance and quiet indoor environments. It offers superior noise dampening between rooms and from external sources, helping to create a calm, comfortable living space. Its high R-values and non-combustible design make it one of the most effective and safest insulation products available in South Africa.
- SABS approved
- A1 fire rating
- Excellent thermal performance
- Reliable acoustic performance
2. Aerolite Soft Touch Prices
Aerolite Soft Touch is a trusted glasswool ceiling insulation that offers an excellent balance of performance and value. Made from non-combustible glasswool, it is SABS-approved and carries an A1 fire rating, delivering strong thermal efficiency and good acoustic performance in South African homes.
| Thickness | Roll Price | Coverage | Roll Price/m² | R-Value | Density |
|---|---|---|---|---|---|
| 50mm Aerolite | R520 | 12.00m² | R43.33/m² | 1.14 | 10kg/m³ |
| 100mm Aerolite | R619 | 7.20m² | R85.97/m² | 2.50 | 11kg/m³ |
| 135mm Aerolite | R629 | 6.00m² | R104.83/m² | 3.38 | 11kg/m³ |
Aerolite is widely used for insulation in Johannesburg, Centurion and Pretoria because it delivers high thermal efficiency, proven fire safety and dependable long-term comfort. The material holds its performance for decades, helping homes stay cooler in summer and warmer in winter. With its consistent results across South Africa's varying temperature conditions, Aerolite remains one of the most trusted options.
- SABS approved
- B/B1/2/H fire classification
- Average acoustic performance
- Non-irritant & safe to handle
- Made from recycled plastic bottles
3. Fabufill Prices
Fabufill is a polyester insulation made from recycled plastic bottles, offering a soft, itch-free installation experience. It is a durable option that is safe to handle and easy to install, making it a practical choice for installers and homeowners who prefer a non-irritant material.
| Thickness | Roll Price | Coverage | Roll Price/m² | R-Value | Density |
|---|---|---|---|---|---|
| 40mm Fabufill | R499 | 12.00m² | R41.58/m² | 0.77–0.96 | 10.1kg/m³ |
| 50mm Fabufill | R516 | 12.00m² | R43.00/m² | 0.90–1.15 | 10.1kg/m³ |
| 75mm Fabufill | R613 | 12.00m² | R51.08/m² | 1.42–1.69 | 10.1kg/m³ |
| 100mm Fabufill | R599 | 7.20m² | R83.19/m² | 1.75–2.20 | 10.1kg/m³ |
| 135mm Fabufill | R680 | 6.00m² | R113.33/m² | 2.93–3.10 | 10.1kg/m³ |
| 145mm Fabufill | R699 | 6.00m² | R116.50/m² | 3.05–3.17 | 10.0kg/m³ |
Fabufill is SABS-approved and offers a soft, non-irritant polyester alternative for insulated ceilings. Its fire classification is B/B1/2/H under SANS 428. It is an easy-to-handle insulation product made from recycled plastic bottles.
- Not SABS approved
- B/B1/2 fire classification
- Average acoustic performance
- Non-irritant & safe to handle
- Made from recycled polyester
4. Isotherm Prices
Isotherm is manufactured from recycled polyester and provides a soft, non-irritant alternative to glasswool insulation. It is easy to handle and commonly used in residential ceiling applications, and has a B/B1/2 fire classification.
| Thickness | Roll Price | Coverage | Roll Price/m² | R-Value | Density |
|---|---|---|---|---|---|
| 40mm Isotherm | R499 | 12m² | R41.58/m² | 0.63 | 8.5kg/m³ |
| 50mm Isotherm | R516 | 12m² | R43.00/m² | 0.79 | 8.5kg/m³ |
| 75mm Isotherm | R613 | 9.6m² | R63.85/m² | 1.18 | 8.5kg/m³ |
| 100mm Isotherm | R599 | 7.2m² | R83.19/m² | 1.57 | 8.5kg/m³ |
| 135mm Isotherm | R680 | 6m² | R113.33/m² | 3.14 | 11.5kg/m³ |
| 145mm Isotherm | R699 | 6m² | R116.50/m² | 3.37 | 11.5kg/m³ |
Isotherm is a soft, non-irritant recycled polyester option for insulated ceilings. The manufacturer's brochure lists a B/B1/2 fire classification. Coverage figures above are for 1.2m-wide rolls, and R-values refer to the insulation product itself.
Roofing Insulation Prices & Products
Compare roofing insulation prices for products suitable for tiled, metal and sheeted roofs. Home Insulations supplies a range of roof insulation products and materials, including Factorylite, Sisalation, RadenShield and Alububble. Compare product type, application and pricing below to choose suitable insulation for roofs, then order the required material or request a quote for professional installation.
Compare Roof Prices
Compare available roof products by price, application and material before placing an order.
Tiled & Metal Roofs
Find insulation products suitable for tiled roofs, metal roofs, IBR and other sheeted roofing systems.
Roof Insulation Materials
Compare glasswool, reflective foil and radiant-barrier materials by performance, application and price.
Roof Insulation Prices & Materials
Compare roof insulation prices for Factorylite, Scrim Facing, Sisalation and Alububble. Explore thermal and reflective products for tiled, metal and commercial roofing applications.
Factorylite
Foil faced glasswool insulation for industrial, commercial and metal roofing systems.
- Foil faced glasswool
- Thermal & acoustic performance
- Ideal for metal roofs
Scrim Facing
Reinforced reflective foil insulation for domestic and industrial roofing systems.
- Reflective radiant barrier
- Strong reinforced construction
- Domestic & industrial options
Sisalation
Reflective foil roof insulation for residential, commercial and industrial roofing applications.
- Proven performance
- Reduces radiant heat
- Multiple product grades
Alububble
Lightweight bubble insulation for roof, ceiling and wall applications where radiant heat control is required.
- Bubble insulation core
- Lightweight & flexible
- Suitable for roof applications
Calculate How Many Rolls You Need
Work out the correct amount of insulation for your project.
Measure your area
Calculate the total m² of your ceiling or roof.
Add wastage
Allow 5–10% for cuts and overlaps.
Check roll coverage
Use the coverage per roll from the tables above.
Calculate your rolls
Total area ÷ coverage per roll.
Enter the coverage shown for your chosen insulation product in the pricing tables above.
Need a Quote for Your Project?
Tell us your area, preferred products and location. We can help calculate quantities and quote for insulation supply, delivery or professional installation.