Insulation Price List for South African Homes (2025)

Knauf Insulation Prices

Knauf Earthwool is widely regarded as the best insulation product in South Africa, delivering exceptional thermal, acoustic, and fire safety performance. Made with advanced ECOSE® Technology, it’s a soft, eco-friendly, non-combustible glasswool that’s easy to install and designed for maximum energy efficiency. With high R-values and various thickness options, Knauf is perfectly suited to South African climate conditions—making it a top choice for homeowners, builders, and architects.

✅ 200mm Knauf – R1,832 per roll or R153 per m² (12m² coverage)
✅ 150mm Knauf – R1,820 per roll or R119 per m² (15.36m² coverage)
✅ 135mm Knauf – R899 per roll or R100 per m² (9m² coverage)
✅ 100mm Knauf – R916 per roll or R77 per m² (12m² coverage)
✅ 75mm Knauf – R910 per roll or R60 per m² (15.36m² coverage)
✅ 50mm Knauf – R987 per roll or R44 per m² (22.8m² coverage)

Please note: These prices do not include installation.

Knauf Earthwool is perfect for those seeking sustainable, long-lasting insulation with superior sound and fire ratings.

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Aerolite Insulation Cost

Aerolite is one of South Africa’s most trusted insulation brands, well known for its excellent thermal performance, fire safety, and long-lasting quality. Below is our current Aerolite price list:

✅ 135mm Aerolite – R599 per roll or R100 per m² (6m² coverage)
✅ 100mm Aerolite – R557 per roll or R78 per m² (7.2m² coverage)
✅ 50mm Aerolite – R435 per roll or R37 per m² (12m² coverage)

Please note: These prices do not include installation.

Aerolite is ideal for homeowners looking to reduce energy bills and maintain indoor comfort throughout the year.

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Isotherm Insulation Prices

Isotherm is an eco-friendly polyester insulation made from recycled PET bottles. It is soft, non-toxic, and maintenance-free:

✅ 145mm Isotherm – R652 per roll or R109 per m² (6m² coverage)
✅ 135mm Isotherm – R602 per roll or R101 per m² (6m² coverage)
✅ 100mm Isotherm – R571 per roll or R80 per m² (7.2m² coverage)
✅ 75mm Isotherm – R558 per roll or R59 per m² (9.6m² coverage)
✅ 50mm Isotherm – R423 per roll or R36 per m² (12m² coverage)
✅ 40mm Isotherm – R356 per roll or R30 per m² (12m² coverage)

Please note: These prices do not include installation.

Note: Isotherm is not SABS approved, making it unsuitable for buildings that require certified insulation.

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✅ Compare Knauf vs Isotherm

Fabufill Insulation Cost

Fabufill is a premium polyester insulation product that is SABS approved and made from 100% recycled plastic. It is safe to handle, durable, and offers great value:

✅ 145mm Fabufill – R652 per roll or R109 per m² (6m² coverage)
✅ 135mm Fabufill – R602 per roll or R101 per m² (6m² coverage)
✅ 100mm Fabufill – R571 per roll or R80 per m² (7.2m² coverage)
✅ 75mm Fabufill – R558 per roll or R59 per m² (9.6m² coverage)
✅ 50mm Fabufill – R423 per roll or R36 per m² (12m² coverage)
✅ 40mm Fabufill – R356 per roll or R30 per m² (12m² coverage)

Please note: These prices do not include installation.

Fabufill is an ideal alternative to traditional insulation for customers seeking a non-itch, SABS approved, formaldehyde-free polyester product.

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✅ Compare Knauf vs Fabufill

Factorylite Insulation Prices

Factorylite is a foil-backed glasswool insulation commonly used in commercial and industrial buildings. It offers excellent thermal resistance and fire safety:

✅ 135mm Factorylite – R1,820 per roll or R152 per m² (12m² coverage)
✅ 100mm Factorylite – R1,635 per roll or R137 per m² (12m² coverage)
✅ 75mm Factorylite – R1,441 per roll or R121 per m² (12m² coverage)
✅ 50mm Factorylite – R903 per roll or R76 per m² (12m² coverage)

Please note: These prices do not include installation.

Suitable for use under metal roofs and in warehouses, Factorylite provides reliable thermal and acoustic performance.

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RadenShield Insulation Cost

RadenShield is a high-performance reflective foil insulation used under roofs to block radiant heat. It improves indoor comfort and energy efficiency while also acting as a vapor barrier and moisture shield.

✅ RadenShield Single Sided – R899 per roll (45m² coverage)
✅ RadenShield Double Sided – R1,348 per roll (45m² coverage)
✅ RadenShield Industrial – R2,025 per roll (45m² coverage)
✅ RadenShield Ecosential – R1,056 per roll (45m² coverage)

Please note: These prices do not include installation.

RadenShield is ideal for both residential and industrial buildings needing an effective radiant barrier under tiles or sheeting.

✅ View Full RadenShield Product Page

Sisalation Insulation Prices

Sisalation is one of South Africa’s most trusted radiant barrier insulation brands, widely used under tiled and metal roofs to reflect radiant heat and prevent condensation. It improves energy efficiency, protects roof structures, and enhances indoor comfort all year round.

✅ Sisalation GR405 – R1,390 per roll (44 m² effective coverage)
✅ Sisalation FR405 – R1,480 per roll (44 m² effective coverage)
✅ Sisalation FR430 – R1,610 per roll (44 m² effective coverage)
✅ Sisalation Fireshield NC502 – R1,740 per roll (44 m² effective coverage)

Please note: Prices exclude installation.

Sisalation is suitable for residential, commercial, and industrial applications where reliable reflective foil insulation is required.

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Scrim Foil Insulation Cost

Scrim Foil is a cost-effective reflective insulation solution designed for use under metal or tiled roofs. It reflects radiant heat, reduces indoor temperatures, and acts as a basic vapor barrier. Manufactured with a layer of aluminium foil bonded to a reinforcing scrim, it’s a lightweight and affordable option for budget-conscious projects that still require heat deflection.

✅ Domestic Grade Scrim Foil – R989 per roll (45 m² coverage)
✅ Industrial Grade Scrim Foil – R1,525  per roll (45 m² coverage)

Please note: Prices exclude installation.

Scrim Foil is ideal for light-duty residential or commercial roof applications where a basic radiant barrier is needed.

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Alucushion Insulation Prices

Alucushion is a premium reflective foil insulation with an added layer of low-density polyethylene air bubbles for improved thermal resistance. Designed for metal roof applications, it helps reduce radiant heat, limits condensation, and enhances indoor comfort in both residential and industrial environments.

✅ Alucushion Single Sided – R1,500 per roll (40 m² coverage)
✅ Alucushion Double Sided – R1,800 per roll (40 m² coverage)

Please note: Prices exclude installation.

Alucushion is ideal for warehouses, factories, and homes requiring a radiant barrier with cushioning properties for extra heat and moisture control.

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Alububble Insulation Cost

Alububble is a versatile reflective foil insulation made with a layer of polyethylene bubbles laminated between aluminium foil sheets. It’s engineered to reflect radiant heat, reduce indoor temperatures, and serve as a vapor barrier — ideal for homes, offices, and light industrial buildings.

✅ Alububble White – R2,300 per roll (40 m² coverage)
✅ Alububble Black – R2,300 per roll (40 m² coverage)

Please note: These prices exclude installation.

Alububble insulation is suitable for use under metal or tiled roofs and is commonly installed in factories, warehouses, garages, and residential roofs for year-round thermal performance.

✅ View Full Alububble Product Page

Choosing the Right Product

Selecting the right insulation is essential for maintaining energy efficiency, indoor comfort, and long-term savings. Whether you’re retrofitting an older house or insulating a new build, installing the correct insulation material ensures your home stays cooler in summer and warmer in winter — all while reducing electricity bills.

At Home Insulations, we supply and install a full range of insulation products tailored to South African climate zones and building types. Our selection includes:

✔ Glasswool Insulation – Top-rated options like Aerolite and Knauf
✔ Polyester Insulation – Non-itch products like Isotherm and Fabufill
✔ Polystyrene Insulation – Durable XPS boards like Summit XPS
✔ Radiant Foil Barriers – Reflective products such as RadenShield and Sisalation

All our insulation materials are available at competitive prices, with fast delivery and professional installation in Johannesburg, Pretoria, Cape Town, Centurion, and Durban.

Looking for affordable insulation prices or help selecting the best insulation? Contact our team today for expert advice and a free quote.

Why Trust Home Insulations?

✅ Over 30 Years of Experience
We’ve been insulating ceilings across South Africa since 1992, with thousands of successful installations in Johannesburg, Pretoria, Cape Town, Centurion, and Durban.

✅ SABS & SANS Compliant Products
We only supply insulation materials that meet strict South African safety and energy standards. Products like Aerolite, Knauf, Fabufill, Factorylite, and RadenShield are tested and approved.

✅ Trusted by Thousands of Homeowners & Builders
From residential retrofits to large commercial projects, our team is trusted by architects, contractors, and families nationwide.

✅ Fair, Transparent Pricing
Our prices include roll coverage and m² cost so there are no hidden surprises. Plus, we offer professional advice to help you choose the best insulation for your budget.

✅ Professional Installation Services
Not just a supplier — we install too. Our trained teams ensure your insulation is fitted safely and effectively for maximum performance.

✅ Excellent Customer Reviews
“Excellent! Home Insulations was the most responsive, most competitive in pricing, and most transparent and helpful of all the insulation installers I contacted. On the day of installation, they worked so efficiently – I almost forgot they were there. And the positive effects of putting in insulation are already being felt by us. I highly recommend this company.”