SANBOARD™ Premium XPS Wall Insulation Boards
Proven thermal comfort, lower energy costs, and nationwide delivery you can rely on
Energy-Smart Walls, Engineered for South Africa – Moisture-Resistant, Code-Compliant
Built for Thermal Comfort, Energy Savings, and SANS 10400-XA Compliance
SANBOARD XPS cavity wall insulation is a rigid, high-density extruded polystyrene (XPS) board installed between the inner and outer layers of cavity wall construction.
It’s purpose-built to meet the SANS 10400-XA energy efficiency standards — including the thermal insulation requirements for double-brick or cavity wall assemblies.
Why Homeowners Choose SANBOARD:
✔ Comfortable, energy-smart living
Installing SANBOARD inside your cavity walls reduces heat transfer through the building envelope. The result? A more consistent indoor temperature, lower energy bills, and year-round thermal comfort.
✔ Built for South African conditions
SANBOARD is moisture-resistant, structurally strong, and immune to rot or mold. It performs reliably in both inland and coastal environments where weather and moisture are factors.
✔ Long-term value for your home
SANBOARD improves wall insulation, reduces thermal bridging, and enhances your home's energy rating — adding real value in energy-aware property markets.
SANBOARD Properties Table
Thermal R-Values
Our 30mm, 40mm & 50mm can be doubled up to get higher thermal values:
30mm - 1.000
40mm - 1.333
50mm - 1.667
60mm - 2.000
70mm - 2.333
80mm - 2.667
90mm - 3.000
100mm - 3.333
110mm - 3.666
120mm - 4.000
150mm - 5.000
Major Benefits of SANBOARD XPS Wall Insulation Boards
Cooler Rooms in Summer
SANBOARD slows down heat entering through exterior walls, helping your home stay cooler and more comfortable during South Africa’s hot summer months.
Lower Energy Bills
By reducing the need for constant heating or cooling, SANBOARD helps lower your monthly electricity bills without sacrificing comfort or performance.
Healthier Living Spaces
Because it doesn’t absorb water or support mold, SANBOARD helps maintain a drier, healthier indoor environment — especially in humid or coastal areas.
Quieter Indoor Spaces
SANBOARD adds a layer of insulation inside your walls, helping to reduce outside noise and create a quieter, more peaceful atmosphere.
Durable for Life of Home
Made from rigid XPS, SANBOARD won’t deteriorate or break down over time, ensuring long-term performance beneath your slab.
Higher Resale Value
Homes with energy-efficient cavity wall insulation like SANBOARD are more appealing to buyers and often achieve a higher market resale value.
Consistent Indoor Comfort
SANBOARD reduces hot and cold spots throughout your home, helping maintain stable room temperatures from season to season.night.
Reliable & Fast Nationwide Delivery
Delivered across South Africa within 3 to 7 working days. excluding weekends and public holidays.
Competitive Bulk Rates for Builders
Special discounted pricing for builders and large projects—maximise your budget without compromising on quality.