- What it is
- Liquid bitumen-based coatings brushed, rolled or sprayed onto concrete to form a seamless damp-proof and waterproof film.
- Best for
- Foundations, footings, retaining walls, pile caps, grade beams and buried concrete.
- Key benefit
- An economical, seamless barrier that follows any shape.
- Exposure
- Buried / concealed only, not for UV-exposed surfaces
- Where we work
- Dubai, Abu Dhabi, Sharjah, Ajman, Umm Al Quwain, Ras Al Khaimah and Fujairah
- Next step
- Free site inspection and a written, itemised quotation
Bituminous coating waterproofing in the UAE for foundations and buried structures
ESA Technical Services LLC is a Dubai-based technical services company, established in 2006, specialising in GRP works, waterproofing, insulation and installation across the UAE. Bituminous coating waterproofing in the UAE is a cost-effective way to protect buried concrete from moisture and aggressive ground conditions.
UAE soils and groundwater can carry chlorides and sulphates that attack concrete and its reinforcement. A bitumen coating isolates the concrete surface from the soil. Used alone on less critical elements, or together with membranes on critical ones, it is a practical part of below-grade protection.
What is bituminous coating waterproofing?
Bituminous coating waterproofing is the application of liquid bitumen products, such as water-based bitumen emulsions, rubberised (polymer-modified) bitumen emulsions, solvent-based bitumen or hot-applied rubberised bitumen, onto concrete in several coats. They cure into a continuous, seamless film that resists moisture and protects buried concrete.
Cold-applied emulsions are water-based, safe and easy to apply. Rubberised versions add elasticity to bridge minor cracks. Hot-applied rubberised bitumen builds thicker films quickly and is used on decks and demanding below-grade work. Coatings are for concealed use only: sunlight degrades bitumen, so they're always covered by backfill, protection board or screed.
When do you need bituminous coating?
These are the signs and project triggers we see most often on UAE sites:
- New foundations and footings. Before backfilling around pile caps, footings and grade beams
- Retaining walls. The earth-facing side of retaining and boundary walls
- Buried tanks and pits (external). Outer faces of concrete chambers
- Damp-proofing. Where the risk is moisture rather than water under pressure
- Secondary protection. In addition to membranes on critical elements
Our step-by-step bituminous coating process
Surface assessment
Concrete is checked for soundness, laitance, honeycombing and form-release residues, and repaired where needed.
Cleaning and preparation
Surfaces are cleaned of dust and loose material, sharp edges are removed, and blowholes are filled so the coating forms a continuous film.
Priming
A diluted first coat or dedicated primer is applied to penetrate and seal the surface pores.
First full coat
The coating is applied at the specified coverage rate by brush, roller or spray, working into corners and around penetrations.
Reinforcement at weak points
At construction joints, corners and cracks, a reinforcing fabric may be embedded between coats for extra crack-bridging.
Subsequent coats
Further coats are applied at right angles to the previous one once it has dried, to build up the specified total thickness.
Thickness check and protection
Wet or dry film thickness is checked. Protection board is then fixed before backfilling so stones and compaction can't damage the coating.
Technical specifications
Values below are typical ranges. Final specifications are confirmed per project from drawings, operating conditions and the manufacturer's technical data sheets.
| Parameter | Typical specification |
|---|---|
| Coating types | Bitumen emulsion, rubberised bitumen emulsion, solvent-based bitumen, hot-applied rubberised bitumen |
| Number of coats | Typically 2–3 coats, per manufacturer |
| Dry film thickness | Per data sheet; rubberised systems often ~1–2 mm total |
| Application | Brush, roller or airless spray |
| Reinforcement | Polyester or glass fabric at joints and corners where specified |
| Protection | Bitumen protection board, drainage board or geotextile before backfill |
| Exposure | Concealed / buried only |
Materials and methods
- Bitumen emulsions: water-based, low-odour, suitable for damp substrates per manufacturer
- Rubberised bitumen: polymer-modified for elasticity and crack-bridging
- Hot-applied bitumen: for thick, fast-build coatings where specified
- Protection boards: to shield the coating during backfilling
Benefits of bituminous coating
Economical
Among the lowest-cost ways to protect buried concrete from moisture.
Seamless
No laps or joints; the coating follows complex shapes, pile caps and penetrations.
Fast to apply
Large areas are covered quickly by spray or roller, keeping backfill on programme.
Protects concrete
Isolates concrete from aggressive soils and groundwater chemistry.
Works with membranes
Can be used as primer, secondary layer or detail treatment with sheet membranes.
Low-odour options
Water-based emulsions are easier to use in confined excavations.
Applications across the UAE
| Sector | Typical application | Why it fits |
|---|---|---|
| Residential & villas | Footings, tie beams, boundary walls | Low-cost protection before backfill |
| Commercial buildings | Pile caps, grade beams, lift pits (external) | Seamless around complex shapes |
| Infrastructure | Culverts, retaining walls, chambers | Protects against aggressive soils |
| Industrial | Plinths, trenches, pits | Economical damp-proofing |
Bituminous coating vs bituminous membrane
| Factor | Bituminous coating | Bituminous membrane |
|---|---|---|
| Form | Liquid, seamless | Sheets with laps |
| Thickness | Applicator-controlled | Factory-controlled |
| Water pressure resistance | Moisture / low pressure | Suited to hydrostatic pressure |
| Cost | Lower | Medium |
| Best for | Footings, damp-proofing, complex shapes | Basements in high groundwater |
Quality control and safety
- Surface preparation inspected before coating
- Coverage rate tracked per coat and area
- Wet or dry film thickness measured
- Drying time between coats respected, adjusted for heat
- Protection installed before backfill
- Excavation safety and access controls
Why choose ESA for bituminous coating
- Since 2006. Nearly two decades of below-grade waterproofing in UAE soils
- Right product for the risk. Coating where suitable, membrane where needed
- Thickness you can verify. Measured film builds, not guesswork
- Coordinated with backfill. Protection in place before the excavator arrives
Bituminous Coating: frequently asked questions
Is bitumen coating enough to waterproof a basement?
For basements below the water table, a coating alone is usually not enough. Sheet membranes or systems designed for hydrostatic pressure are specified there. Coatings are ideal for footings, damp-proofing and secondary protection.
How many coats of bitumen are needed?
Typically two to three, applied at the manufacturer's coverage rate to reach the specified dry film thickness.
Can bitumen coating be applied on damp concrete?
Some water-based emulsions tolerate damp (not wet) surfaces. Solvent-based products need dry concrete. We follow the manufacturer's substrate requirements.
Why is protection board needed?
Backfill stones and compaction can puncture thin coatings. A protection board keeps the coating intact during and after backfilling.
Written by the ESA Technical Services teamLast updated: