The system
Roof waterproofing
Full liquid membrane systems for Dubai villas, not a thin sealer coat. Henkel Polybit Polythane P, detail reinforcement, measured coverage, documented handover.
The Sorento Roof System
AED 249
per m² excl. VAT, from
Fixed written quote after free inspection. Minimum job AED 3,000 for spot repairs; full roof from 60 m².
See what is includedPolythane P build.
Single-component hybrid polyurethane. UV-stable. Strong crack bridging. White cool-roof grade. Three coats with fleece at the details that fail first.
What we waterproof
- Exposed villa roofs and terraces
- Parapets and upstands
- Drains, outlets and pipe penetrations
- Areas after tile or bitumen removal
Never skipped
- Substrate assessment before coating
- Concrete repairs on defects
- Fleece reinforcement at corners and details
- Measured three-coat coverage
Why this system outlasts the usual options.
An honest look at The Sorento Roof System next to generic system types commonly sold in Dubai. No competitor brands named.
Best choice for Dubai villas
The Sorento Roof System
14/ 14
3-coat Henkel Polybit Polythane P hybrid PU, 1.5 mm+ measured, fleece at details, flood test, 10-year written warranty.
- Film thickness1.5 mm+ measured DFT
- Crack bridging1.5 mm, >500% elongation
- Heat reflectionCool-white, SRI >80
- UV without topcoatUV-stable Polythane P
- Detail reinforcementFleece at corners, drains, pipes
- Quality proofDFT log, flood test, photo report
- Warranty10-year written by Sorento
Acrylic cool-roof paint
3/14
- Film thicknessOften 0.3 to 0.5 mm thin coats
- Crack bridgingLimited flex; cracks return
- Heat reflectionReflects, but films stay thin
- UV without topcoatOften chalks under UV
- Detail reinforcementOften brushed without fleece
- Quality proofUsually no thickness records
- WarrantyOften 1 to 3 years, if any
Bitumen membrane
5/14
- Film thicknessVaries; joints stay weak
- Crack bridgingFlexible when new; seams age
- Heat reflectionTypically dark, absorbs heat
- UV without topcoatNeeds cover; UV softens sheets
- Detail reinforcementFlashings; workmanship decides
- Quality proofVisual check; DFT rare
- WarrantyVaries by installer and grade
Cementitious coating
3/14
- Film thicknessThin slurry, not a membrane
- Crack bridgingRigid on moving decks
- Heat reflectionUsually grey, limited cool-roof
- UV without topcoatHolds, but stays rigid and dusty
- Detail reinforcementRarely reinforced at outlets
- Quality proofNo film log or ponding test
- WarrantyShort cover is typical
Best choice for Dubai villas
The Sorento Roof System
3-coat hybrid PU · measured film · fleece · flood test · written warranty
14/ 14
Acrylic cool-roof paint
Thin paint films sold as cool-roof coats.
3/14
Bitumen membrane
Sheet systems. Heat and joints matter.
5/14
Cementitious coating
Rigid mineral coats, often a quick seal.
3/14
1.5 mm+ measured DFT
Often 0.3 to 0.5 mm thin coats
Varies; joints stay weak
Thin slurry, not a membrane
1.5 mm, >500% elongation
Limited flex; cracks return
Flexible when new; seams age
Rigid on moving decks
Cool-white, SRI >80
Reflects, but films stay thin
Typically dark, absorbs heat
Usually grey, limited cool-roof
UV-stable Polythane P
Often chalks under UV
Needs cover; UV softens sheets
Holds, but stays rigid and dusty
Fleece at corners, drains, pipes
Often brushed without fleece
Flashings; workmanship decides
Rarely reinforced at outlets
DFT log, flood test, photo report
Usually no thickness records
Visual check; DFT rare
No film log or ponding test
10-year written by Sorento
Often 1 to 3 years, if any
Varies by installer and grade
Short cover is typical
Alternatives above are generic system types commonly sold in Dubai, described with typical market behaviour. Our figures come from the Henkel Polybit Polythane P datasheet and our documented site protocol. Scores weight yes = 2, partial = 1, no = 0.
| Product | Henkel Polybit Polythane P |
|---|---|
| Coats (our spec) | 3, ≈2.4 L/m² |
| Coverage per coat | 0.8 L/m² per coat |
| Recoat interval | 6 hours |
| Full cure | 7 days |
| Crack bridging | 1.5 mm |
| Elongation | >500% |
| SRI white | >80 |
| Solar reflectance | >75% |
| Topcoat | Not required (UV-stable) |
| Detail fleece | Reinforcing fleece at corners, drains and pipe penetrations |
| Joint sealant | Polyseal 1PU |
| Repair mortars | Polycrete FC and Polycrete ST |
Get a roof quote that is real.
Villa owners and property managers across Dubai. Fixed quote after the on-site survey.