Order your 30mm, 40mm or 50mm, Extruded Polystyrene (XPS) Cavity Wall Insulation Boards per m2, nationally online in South Africa. Don't miss out on our current national special!
Build Walls That Perform.
Upgrade your next project with SANBOARD XPS Wall Insulation Boards — engineered for thermal efficiency, durability, and fast on-site installation.
Designed for residential and commercial construction, SANBOARD delivers consistent insulation performance that helps meet energy compliance standards while improving long-term building comfort.
✔ High thermal performance (excellent R-value)
✔ Moisture-resistant and dimensionally stable
✔ Strong, durable board for internal & external wall systems
✔ Lightweight and easy to cut & install
✔ Ideal for new builds and retrofits
Save labour time. Reduce call-backs. Deliver higher-performing buildings.
Whether you're a contractor, developer, or builder — stock up directly from our online store.
👉 Order SANBOARD Wall Insulation Boards online today.
SANBOARD™ (XPS) Cavity Wall Insulation Boards – ISO, SANS 10400-XA, Compliant
Property Specification Material Type Extruded Polystyrene (XPS) Unique Feature Highest-density XPS ceiling board in South Africa Density 35–37 kg/m³ Compressive Strength 310–360 kPa Water Absorption 0.5% by volume Thermal Conductivity (k-value) Thermal Conductivity (k-value) Dimensional Stability < 1.0% Linear Thermal Expansion 0.049 mm/m/°C Combustibility / Flame Spread B/B1/2/H&V/B - S1, D1 (SANS 53501-1) Width 600mm Thicknesses 30mm. 40mm & 50mm Lengths 1800mm - 8000mm Paint Compatibility Water-based acrylic or PVA recommended
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