Don't miss out on our current national special on 30mm, 40m & 50mm boards.
Discover the superior performance of SANBOARD™ Floor Insulation Boards, engineered for high-performance XPS floor insulation for slabs and underfloor heating.
Our extruded polystyrene (XPS) boards provide a durable, energy-efficient solution with a closed-cell structure that ensures high compressive strength and excellent moisture resistance.
Trusted across South Africa, SANBOARD™ adds unmatched value to your construction projects, delivering durability and efficiency that stand the test of time.
Optimize your underfloor heating systems and concrete slab insulation with SANBOARD™, the perfect choice for both residential and commercial applications.
Generally:
Residential homes would use 30mm x 600mm x 3000mm XPS boards.
Luxury residential homes use 50mm x 600mm x 3000mm XPS boards.
Cold rooms would double up the boards to get high insulation values.
Our technical team is ready to assist.
SANBOARD™ Floor Insulation Boards
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