Quantities & Estimating

How much thermal insulation do I need for my project?

Direct answer

SBC 601 targets a roof U-value near 0.27 W/m²K, typically met with 75-100 mm of polystyrene or rockwool over the full roof area plus 5% laps. For an exact take-off across every trade, Benna's free BOQ calculator turns your project dimensions into a priced material list you can add to cart in one click.

Thermal Insulation key specifications

Price rangeSAR 12-70 per m²
Minimum order20 m² per specification; bulk rates from 500 m²
Common thickness25, 50, 75, 100 mm
Thermal conductivity0.030-0.040 W/mK
Fire classRockwool A1 non-combustible
Cooling savingUp to 30% on villa loads
StandardsSaudi Building Code SBC 601/602 envelope U-value and SASO energy labels

Key takeaways

  • SBC 601 targets a roof U-value near 0.27 W/m²K, typically met with 75-100 mm of polystyrene or rockwool over the full roof area plus 5% laps.
  • Extruded polystyrene gives the best value on roofs, rockwool adds fire and acoustic performance, and PU foam suits irregular surfaces.
  • Available brands: Rockwool, Isobord, Saudi Rockwool, Kingspan, Owens Corning
  • Delivered to 165+ Saudi cities.

Related questions

How much thermal insulation do I need?▾

SBC 601 targets a roof U-value near 0.27 W/m²K, typically met with 75-100 mm of polystyrene or rockwool over the full roof area plus 5% laps.

Which standards apply to thermal insulation in Saudi Arabia?▾

Saudi Building Code SBC 601/602 envelope U-value and SASO energy labels

What is the minimum order quantity?▾

20 m² per specification; bulk rates from 500 m²