Aerolite 135mm Glasswool Insulation – 5000mm (L) x 1200mm (W)
In stock
R629,00
Aerolite 135mm is South Africa’s gold standard for ceiling insulation—delivering energy savings, lasting comfort, and peace of mind for every home we work on. Our team has installed Aerolite 135mm in hundreds of properties across Gauteng, the Western Cape, and beyond. Here’s everything you need to know about why we recommend it, how it works, and how it’s fitted for the best results.
Aerolite 135mm Insulation
At Ceiling Insulation, we believe every home deserves the best in comfort, safety, and energy savings. That’s why we recommend and professionally install Aerolite 135mm ceiling insulation for our customers throughout South Africa.
Aerolite 135mm is the industry standard for ceiling insulation, trusted by homeowners, architects, and builders for over 90 years. As experienced installers, we’ve seen firsthand how the right insulation transforms a home: slashing energy bills, creating year-round comfort, and adding value for decades.
See our other glasswool insulation products
Why Choose Aerolite 135mm?
Aerolite 135mm sets the standard for ceiling insulation thanks to its outstanding R-value—the key measurement of insulation’s ability to resist heat flow. The manufacturer’s product R-value is 3.38 m²·K/W, and when properly installed and combined with roofing materials, the total installed R-value can reach 3.78 m²·K/W. This ensures your home stays warmer in winter and cooler in summer, reducing your reliance on heaters and air conditioning.
From our experience, homeowners notice the benefits straight away: living areas can be up to 6°C cooler during highveld summers, while bedrooms stay noticeably warmer on cold nights. Most families see a 20–30% drop in heating and cooling bills over time, meaning Aerolite 135mm quickly pays for itself through real energy savings.
Premium Sound Absorption
One hidden benefit of Aerolite 135mm is its acoustic performance. With a Noise Reduction Coefficient (NRC) of around 1.10, it absorbs unwanted noise from outside and between rooms, making your home quieter and more peaceful. We always recommend Aerolite to customers living near busy roads, airports, or schools—it really makes a difference.
Safety and Fire Resistance
Your family’s safety comes first. Aerolite is fully non-combustible, rated A1/Class 1 to SANS 10177 and SANS 428 standards. That’s why it’s specified in homes, hospitals, schools, and commercial buildings where fire safety is critical. As installers, we work with Aerolite because it gives both us and our customers total peace of mind.
Eco-Friendly and Healthy
Aerolite is manufactured using over 80% recycled glass and is classified as bio-soluble—meaning it is safe to install and safe to have in your home. It contains no asbestos, formaldehyde, or chemicals that affect air quality, and is certified by SABS for health and performance. When you choose Aerolite, you’re making a sustainable choice that’s good for the environment and your loved ones.
Product Specifications – At a Glance
| Specification | Aerolite 135mm |
|---|---|
| Thickness | 135mm (fully recovers after unrolling) |
| Product R-Value | 3.38 m²·K/W (manufacturer spec) |
| Installed R-Value | Up to 3.78 m²·K/W (real-world performance) |
| Roll Size | 5m x 1.2m (6m² coverage per roll) |
| Density | ±11kg/m³ |
| Thermal Conductivity | ~0.040 W/m·K |
| Fire Rating | A1 (non-combustible, SANS 10177) |
| Noise Reduction | NRC ~1.10 |
| Certification | SABS, ISO 9001, ISO 14001 |
| Lifespan | 30–50 years (fit-and-forget) |
Does Aerolite 135mm Meet South African Building Codes?
Absolutely. Aerolite 135mm not only meets but exceeds SANS 10400-XA requirements for ceiling insulation in most South African climate zones. According to the latest building regulations, homes in Johannesburg, Pretoria, Cape Town, and similar regions require a minimum installed roof assembly R-value of 3.7 m²·K/W. Aerolite 135mm achieves this when installed to manufacturer specifications. That’s why it’s our top recommendation for new builds and retrofits alike.
Our team always ensures Aerolite is never compressed during fitting. The insulation must be allowed to expand to its full 135mm thickness to deliver the required R-value. We take care to remove any packaging as soon as it arrives on site and allow at least 24–48 hours for full recovery before final installation.
How We Install Aerolite 135mm
Our experienced installers follow a meticulous process to guarantee the highest performance and compliance:
- Site Preparation: We measure each ceiling space and calculate exactly how many rolls are needed. Aerolite rolls are cut about 50mm wider than the gap between trusses, ensuring a snug, continuous fit.
- Safe Handling: Thanks to Aerolite’s Soft Touch technology, installation is clean and itch-free. Our team always wears safety gear, but Aerolite is safe enough to handle with bare hands.
- Optimal Placement: We fit each roll so it lies flat and uncompressed, running insulation right up to the edges and over beams for seamless coverage. Wiring is kept above the insulation, and we carefully cut around downlights and fixtures for fire safety.
- Quality Checks: After installation, we inspect every room to make sure there are no gaps, compression, or exposed ceiling areas. Our job isn’t done until your insulation is perfectly installed and providing full performance.
- Customer Care: We provide every client with a certificate of compliance for building regulations and offer advice on maximizing energy savings.
What Our Customers Notice
After fitting Aerolite 135mm, our clients consistently report:
- Instant comfort – noticeable changes in temperature the same day
- Lower energy bills – real savings that add up year after year
- Quieter living – peace from street noise, rain, and even neighbours
- Healthier air – no dust, odors, or fibers in the living space
- No maintenance required – Aerolite lasts for decades without sagging or rotting
We pride ourselves on not just meeting expectations, but exceeding them—delivering value you can feel every single day.
Frequently Asked Questions
Q: How many rolls do I need?
A: Each roll covers 6m². For most homes, we calculate total ceiling area and always allow for a little extra to ensure full coverage, especially around edges and odd-shaped rooms.
Q: How long does the installation take?
A: Most homes are completed in a single day. Larger properties may take longer, but our team works quickly and professionally with minimal disruption.
Q: Will Aerolite create dust or odors in my home?
A: No. Aerolite is manufactured to be safe and low-dust, with no chemical smell.
Q: Is it safe for kids and pets?
A: Yes! Aerolite is certified non-toxic, non-carcinogenic, and contains no formaldehyde.
Q: Do you offer a warranty?
A: We provide all manufacturer warranties and a certificate of compliance with every install. Aerolite is designed to last 30–50 years with no maintenance.
Q: What other thicknesses does Aerolite insulation come in?
A: Aerolite Soft Touch is available in 135mm, 100mm, and 50mm thickness options to suit different ceiling requirements and regional building standards.
Ready to Upgrade Your Comfort?
If you’re planning to install ceiling insulation, trust our experienced team for professional advice, top-quality Aerolite 135mm, and a job done right—every time. Contact us today for a free quote, advice on the right thickness, or to book your installation. We’re here to make your home warmer, cooler, and more comfortable for years to come.
