Insulation and waterproofing prices in Saudi Arabia today

Insulation and waterproofing

• Mineral-surfaced bitumen membrane 4.5 mm

  Bitumen cap sheet 4 mm with mineral (gravel) finish for exposed roofs, polyester or glass-fibre reinforced, rolls 1×10 m, supply only; Riyadh online retailer price incl. 15% VAT per m² of roll

  Roll price divided by its 10 m², before laps and laying.

  15.21

  SAR / m²

  Incl. 15% VATSupplyChecked 29 October 2026Ask Quanta

• Bitumen primer

  Solvent-based bitumen primer for membranes and bitumen coatings, 18–20 L pail; Riyadh dealer price

  Price per 18 L pail including VAT; delivery is extra.

  88.76

  SAR / 18 L pail

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Bitumen coating for foundations

  Solvent-based bitumen coating for buried concrete, applied in two or three coats, 18–20 L pail; Riyadh dealer price

  54.34

  Estimate, not yet confirmed

  SAR / 20 L pail

  Incl. 15% VATSupplyChecked 31 October 2026Ask Quanta

• Two-component cementitious waterproofing

  Flexible two-part cementitious coating for bathrooms, tanks and basements (Sikatop Seal 107, Brushbond type), 25 kg set; Riyadh dealer price

  88.06

  SAR / 25 kg set

  Incl. 15% VATSupplyChecked 22 October 2026Ask Quanta

• Liquid polyurethane waterproofing

  Single-component liquid-applied polyurethane membrane for exposed roofs and wet areas, 25 kg pail; Riyadh dealer price

  561

  Estimate, not yet confirmed

  SAR / 25 kg pail

  Incl. 15% VATSupplyChecked 31 October 2026Ask Quanta

• Acrylic roof coating

  Elastomeric acrylic waterproof roof coating, 20 kg pail (Bitumat Acri-Shield, Star Proof AC 600 type); Riyadh online retailer price incl. 15% VAT, delivery excluded

  Cheaper grades sell at about 132 SAR per pail.

  194

  SAR / 20 kg pail

  Incl. 15% VATSupplyChecked 29 October 2026Ask Quanta

• Bitumen protection board 3 mm

  Asphaltic protection board 3 mm over membranes on foundations and roofs; Riyadh retailer price per board (the seller does not state the board size)

  23

  Estimate, not yet confirmed

  SAR / board

  Incl. 15% VATSupplyChecked 31 October 2026Ask Quanta

• Bitumen membrane 4 mm

  Polyester-reinforced bitumen membrane 4 mm, 1×10 m roll, online dealer retail price (Riyadh), incl. 15% VAT, supply only

  14.25

  SAR / m²

  Incl. 15% VATSupplyChecked 21 October 2026Ask Quanta

• Polyethylene sheet 500 micron

  Polyethylene vapour barrier 500 micron laid under ground slabs, rolls about 4 m wide; Riyadh dealer price per m²

  4.83

  Estimate, not yet confirmed

  SAR / m²

  Incl. 15% VATSupplyChecked 27 October 2026Ask Quanta

• XPS insulation board 5 cm

  Extruded polystyrene board 5 cm (about 32–35 kg/m³), online dealer retail price (Riyadh), incl. 15% VAT, supply only

  30.59

  SAR / m²

  Incl. 15% VATSupplyChecked 21 October 2026Ask Quanta

• XPS insulation board 10 cm

  Extruded polystyrene board 10 cm for roofs under the Saudi energy code, supply only

  56.35

  SAR / m²

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Sprayed polyurethane foam roof insulation 5 cm

  Spray-applied rigid polyurethane foam, density 40–50 kg/m³, average 5 cm on roofs, with a UV-protective top coat; specialist rate per m², supply and apply

  Indicative contractor rates; usually lower for large areas.

  47

  Estimate, not yet confirmed

  SAR / m²

  VAT not statedSupply and installChecked 28 October 2026Ask Quanta

• Rock wool slab 50 mm

  Rock wool slab 50 mm, density about 100 kg/m³, for thermal and fire insulation; Riyadh dealer price per m²

  30.19

  SAR / m²

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Rock wool partition insulation 50 mm

  Rock wool batts 50 mm, density 40–50 kg/m³, for acoustic insulation in drywall partitions; Riyadh dealer price per m²

  21.80

  SAR / m²

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Glass wool roll 50 mm

  Glass wool blanket 50 mm, density 12–16 kg/m³, plain or foil-faced, for roofs and ceilings; Riyadh dealer price per m²

  6.47

  SAR / m²

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Reflective foil insulation

  Aluminium-foil-faced polyethylene foam reflective insulation 8 mm, rolls 1.01×20 m (Awazel, Saudi-made); Riyadh online retailer price incl. 15% VAT per m²

  2.61

  SAR / m²

  Incl. 15% VATSupplyChecked 29 October 2026Ask Quanta

• PVC waterstop 250 mm

  Ribbed PVC waterstop with centre bulb, 230–250 mm wide, for construction and expansion joints, rolls; Riyadh dealer price per linear m

  16.10

  SAR / linear m

  Incl. 15% VATSupplyChecked 24 October 2026Ask Quanta

• Oxidised bitumen 85/25

  Blown (oxidised) bitumen grade 115/15 for hot-applied waterproofing and joint pouring, 140 kg blocks; Riyadh online retailer price incl. 15% VAT per ton

  Worked out from 140 kg blocks; makers range from 3,105 to 4,463 SAR/ton.

  3,968

  SAR / ton

  Incl. 15% VATSupplyChecked 29 October 2026Ask Quanta

• Potable-water tank epoxy lining

  Two-part epoxy lining approved for drinking-water tanks (Sikagard PW), 20 kg kit; Riyadh construction-chemicals dealer price per kg, VAT not stated

  31.50

  Estimate, not yet confirmed

  SAR / kg

  VAT not statedSupplyChecked 29 October 2026Ask Quanta

• Self-adhesive flashing tape

  Aluminium-faced self-adhesive bitumen flashing tape 100 mm wide, 10 m roll, for joints and upstands (imported brands); Saudi online retail price incl. 15% VAT per roll

  171

  Estimate, not yet confirmed

  SAR / roll

  Incl. 15% VATSupplyChecked 29 October 2026Ask Quanta

• Sandwich panel, EPS core 100 mm

  Expanded polystyrene core 100 mm, standard pre-painted steel skins — Panel with standard skins and basic colours; installation not stated

  165

  Estimate, not yet confirmed

  SAR / m²

  VAT not statedSupplyChecked 27 October 2026Ask Quanta

• Sandwich panel, EPS core 50 mm

  Expanded polystyrene core 50 mm, standard pre-painted steel skins — Panel with standard skins and basic colours; installation not stated

  125

  Estimate, not yet confirmed

  SAR / m²

  VAT not statedSupplyChecked 27 October 2026Ask Quanta