Our premium 2K system
Premium 2K polyurea waterproofing
Complete cold-applied two-component system for seamless waterproofing of technically suitable commercial roofs and structures. From surface control and primer to reinforced details and a white, UV-resistant waterproof final layer.
Core systemExposed, UV exposed
2K cold appliedFrom prepared surface to white waterproof membranePolyShield performs this
Premium 2K polyurea waterproofing
Premium 2K polyurea waterproofing as a complete waterproofing route for larger commercial roofs and concrete roofs and terraces.
- 01Inspect roof structure, moisture and details
- 02Cleaning and repairing weak areas
- 03Apply primer and detail reinforcement
- 04Waterproof membrane delivered in a controlled manner
From damage picture to solution
Problem, cause and effect first visible.
- UV and weather loads
- Movement of seams and connections
- Overdue maintenance or previous emergency repairs
Moisture can damage insulation, interior, installations and business processes.
A project-specific renovation of the substrate, details, primer and continuous membrane.
Business benefits
The value is not just in the new layer.
Lifespan
Maintain a technically suitable roof structure and postpone replacement.
Continuity
Organize renovation per work area around the use of the building.
Risk management
Include critical details before consequential damage occurs.
Maintenance
Create an inspectable and locally recoverable system route.
RISK OF DELAY
Delay can allow local defects to progress to wet insulation, larger repair zones and damage under the roof.
First have the size, cause, accessibility and desired planning assessed. We then compare repair, renovation and, where necessary, replacement without selling a standard solution in advance.
Have project assessed →Real projects, not stock evidence
Conducted evidence in system selection
View initial situation, preparation, details and results. Project details are only mentioned when they are available in the file.
01 / Location confidentialPlanned roof renovation of school buildingApproximately 700 m² of outdated bituminous roofing with strong crackle formation, systematically renovated with primer, reinforced details and two layers of white 2K polyurea.
Open project file →
02 / MiddelburgEmergency repair of production roof with 2K polyureaApproximately 150 m² of a commercial roof with multiple leaks has been purposefully renovated. The urgent system approach protects the valuable production equipment under the roof against further water damage.
Open project file →
03 / THE HAGUELocal 2K polyurea roof renovationOp een bedrijfsdak van circa 350 m² zijn meerdere lekkages doelgericht verholpen. De geselecteerde zones zijn gereinigd en vervolgens met primer, geotextiel en een vloeibare 2K-waterdichting behandeld.
Open project file →Layer by layer
A complete structure, no loose coating.
The structure shown makes the function of each layer understandable. Primer, reinforcement and consumption are only definitively specified after subsurface research.
- 01Prepared surface
Fixed, clean, repaired and technically assessed
- 02Surface-specific primer
Adhesion and pore control tailored to the base
- 03Detail reinforcement
Focused on seams, bilges, drains and transitions
- 04Polyurea membrane
White, UV-resistant and waterproof final layer
System profile
What this direction is rated for.
- Larger commercial roofs
- Concrete roofs and terraces
- Metal roofs and gutters
- Waterproofing under tiling
- Foundations and underground walls
- Green roofs and planters
- Cold applied with roller or airless
- Seamless, elastic and tear-bridging
- High mechanical and weather resistance
- Early rain resistance within the right conditions
- White and UV resistant
- Can be armed locally or completely
- Concrete and cement screeds
- Bituminous roofing
- Metal
- Technically suitable existing membranes
Application boundaries
Where this system fits primarily, conditionally or non-standard.
The classification helps with the initial selection. Substrate, load, detailing and current system documentation remain decisive.
- Wet or unstable surface
- Unknown layers without test adhesion
- Structural defect without repair
- Undocumented product combination
01 / Inspect
We want to know this first.
- Roof structure and residual moisture
- Bonding of existing layers
- Slope and puddle formation
- Seams, upstands and penetrations
- Constructive movement and accessibility
02 / Limit
When we don't execute immediately.
- Do not enclose wet insulation
- First repair or replace loose roofing membranes
- Primer mandatory in principle
- Do not combine product systems without written approval
03 / Substantiate
Which must be demonstrable.
- Link system variant to current ETA/DoP
- Record consumption and layer structure project-specifically
- Fire and use classification only per approved structure
- Expected technical useful life is not an automatic project guarantee
Technical proof
Performance is system and structure specific.
The statuses below are deliberately reserved. A proof is only shown as proven after the current document, the system variant and the intended use have been checked.
ETA/EAD
An ETA applies to the described system kit and its intended use. Document number and current system variant are checked before publication.
CE and declaration of performance
CE and DoP describe declared product performance; they are not a blanket endorsement of every roofing project.
BROOF classification
Only claimable for the exact tested roof structure, substrate, layer thickness and the stated test suffix, for example BROOF(t1).
Waterproofing
Test performance and application conditions must correspond to the selected membrane variant and project structure.
Crack bridging and movement
Class, temperature and layer thickness are taken from the current technical documentation.
VOC and environmental documentation
VOC, EPD and other environmental claims are only published with a current, traceable source.
From system direction to offering
Four pieces of information that really determine the quotation.
Material, condition, moisture, adhesion and existing layers.
Edges, bilges, drains, penetrations, seams and connections.
Water, UV, movement, traffic, use and operating conditions.
Accessibility, phasing, safety, planning and weather window.
PROJECT FILE / SCHOOL ROOF · APPROXIMATELY 700 M²From outdated bitumen to a completely white 2K waterproofing system.View performance →
Our primary technology
Cold processed. Highly protected.
The two-component membrane is processed without a hot spray installation. This enables a controlled application with roller or airless, depending on the project and work plan.
The waterproofing is not a separate end product. Substrate preparation, primer, critical details, mixing ratio, consumption and application conditions together form the system.
- Technology
- Cold applied elastic 2K polyurea
- Finish
- White and UV resistant
- Use
- Roofs and multiple technically approved structures
- Evidence
- Only claims from current project-specific documentation
More than roof coating
One 2K technology, several complete waterproofing systems.
The technology can be widely used, but the system structure is never universal. Each application has its own surface preparation, primer, detailing, consumption and evidence.
01
Bituminous commercial roofs
Renovation of stable, sufficiently dry roofing membranes with repair of seams, bubbles and details before the new system construction.
View application →02Concrete roofs
Seamless waterproofing over a load-bearing mineral base, with attention to pores, cracks, slope and connections.
View application →03Metal roofs and gutters
Elastic protection of prepared roof panels, overlaps, fixings and gutters, combined with corrosion control.
View application →04Balconies and terraces
A liquid waterproofing for complex shapes and connections, exposed or as a hidden layer under a coordinated finish.
View application →05Under tiling
Continuous hidden waterproofing under a technically coordinated adhesive and tile structure for larger business projects.
View application →06Foundations
Exterior sealing of foundations and underground walls on the positive water side, protected before backfilling.
View application →07Green roofs
Root-loaded, covered application with controlled details, protective layers, drainage and a demonstrably suitable system variant.
View application →08Technical water constructions
Project-specific waterproofing of containers that do not contain drinking water after checking the medium, temperature and permanent load.
View application →Fast-track systems thinking
Faster processing without skipping technical steps.
Under appropriate conditions, quick-drying primers, short overcoat windows and an early rain-resistant 2K membrane can practically limit the implementation time. This is especially valuable at operational business locations where downtime, weather risk and phasing weigh heavily.
- Surface firstMoisture, cohesion, adhesion and contamination determine whether a fast route is responsible.
- Primer as system layerThe primer is chosen based on the surface and load; not as a generic addition.
- Details before the planeSeams, bilges, drains and penetrations are worked out in advance and reinforced where necessary.
- Register conditionsTemperature, relative humidity, mixing, consumption and recoating time remain control points.
Technical variant matrix
Not every roof requires the same membrane.
Within the same system family, PolyShield selects the variant that suits UV exposure, layer thickness, root pressure, use and implementation window. This choice will only be made after inspection and document control.
Premium elastic 2K polyurea
The broad renovation route for larger commercial roofs and structures, with substrate-specific primer, targeted detail reinforcement and a white UV-resistant final layer.
- Planned roof renovation
- Concrete, bitumen and metal
- Armed and unarmed construction
Fully aliphatic 2K variant
For exposed surfaces where very high UV stability, mechanical stress and long-term water stress come together.
- Walkable roofs
- High UV load
- Protective layer over suitable membranes
Thick-layered 2K variant
Can be assessed as a controlled single-layer variant on a sufficiently smooth and level surface. Details, consumption and surface preparation remain separate system steps.
- Flat mineral roofs
- High mechanical resistance
- Early rainproof route
Root-resistant 2K variant
For green roofs and large planters where demonstrable resistance to root penetration is part of the complete hidden roof structure.
- Green roofs
- Planters
- Protective and drainage layers required
Fast drying 1K-PU
A water-based one-component system for suitable roof renovations with short overlay windows and limited weather risk. This is a different technology than our premium 2K polyurea system.
- Fast maintenance projects
- Early rain resistance possible
- Low VOC route according to product specification
The premium difference
A membrane is only as reliable as the complete system.
A simple coating may be suitable as a maintenance layer. In a waterproof renovation system, the substrate, adhesion and the weakest details are also demonstrably taken into account.
- Focus on the visible roof surface
- Preparation may vary per provider
- Primer not always part of the approach
- Mainly aimed at maintenance or reflection
- Inspection of roof structure and residual moisture
- Restoration and cleaning before application
- Surface-specific primer as a system layer
- Reinforcement of seams, bilges and penetrations
- 2K waterproof membrane with controlled consumption
- Registration and delivery control
Complete system construction
Seven checkpoints before delivery.
- 01Roof inspection
Assess roof structure, moisture, adhesion, slope and details.
- 02Cleaning
Remove dirt, loose parts and disturbing contaminants.
- 03Restore
Treat weak areas and defects before containment.
- 04Enhance details
Treat seams, curbs, drains and transitions in a targeted manner.
- 05Apply primer
Adjust the adhesive layer to the substrate specific to the project.
- 062K membrane
Check components, mixing, consumption and conditions.
- 07Deliver
Record end result, details and relevant implementation data.
Business decision value
Not just waterproof. Also manageable.
For an owner or manager, it is not only the layer applied that counts, but also the predictability of preparation, implementation and maintenance.
Fewer interfaces
Substrate, details, primer and membrane are assessed as one project scope.
Plannable implementation
Work zones, weather conditions, accessibility and business operations are coordinated in advance.
Controllable quality
Consumption, application conditions, details and residual points are included in the delivery.
Maintainable solution
Inspection and local repair can become part of the maintenance strategy.
From claim to evidence
Technical performance is part of the tested structure.
System variant
Substrate, primer, any reinforcement, membrane consumption and end application are recorded as one variant.
Project conditions
Moisture, temperature, details, water load and future use load are assessed before implementation.
Classifications
ETA, CE, fire, root and use classifications are only linked to the configuration for which they demonstrably apply.
Delivery file
Relevant checks, photos, consumption, deviations and maintenance points are recorded project-specifically.
First suitability check
Is 2K polyurea suitable for this roof?
This classification is a preselection. A final decision requires inspection, substrate data and, where necessary, measurements or test adhesion.
Technically suitable for further investigation
- Stable and sufficiently dry roof structure
- Repairable seams, edges and details
- Larger planned renovation project
- Need a seamless white waterproofing
Additional project information needed
- Unknown roof structure or old coating
- Puddle formation, blistering or local detachment
- PVC/TPO or multiple existing layers
- Doubts about moisture, adhesion or movement
Do not enclose directly with a membrane
- Wet or saturated insulation
- Loose roofing
- Construction defects
- Unresolved active leak cause
Get a targeted quote faster
Prepare these six pieces of information in advance.
- 01Project address in the Netherlands or Belgium
- 02Indicative roof area
- 03Type of existing roof covering
- 04Photos of roof surface and critical details
- 05Known leaks or previous repairs
- 06Desired planning and accessibility
First calculate your roof area
From address to a usable first project size.
Find the project address on the map, draw one or more roof surfaces and use the calculated surface immediately when screening or requesting a quote.
- 01Enter the project address
- 02Draw the roof contours
- 03Get the estimated area
Choose by project question
Not a general coating story, but a route that suits your building.
Each route addresses a different business query: from preserving existing bitumen to school roofs, production environments and complex details. The technical suitability always remains project-specific.
PR-01
Renovating a bitumen commercial roof with cold-applied 2K polyurea
From ageing bitumen to a controlled white waterproofing system, without automatically removing the entire existing roof build-up.
View this project route ↗PR-02Coating a large commercial roof as a complete 2K renovation project
Renovate large roof areas efficiently without making preparation, details and quality control subordinate to speed.
View this project route ↗PR-03Roof renovation without full replacement: compare the technical scenarios first
Do not automatically replace or coat: first establish which renovation scenario demonstrably fits the building.
View this project route ↗PR-04Renovating a school roof with a cold-applied 2K system
Renovating a larger education roof around building use, safety and available work windows.
View this project route ↗PR-052K polyurea roof renovation for production and logistics
Address roof risks with attention to the value and continuity of everything below the roof.
View this project route ↗PR-06Integrating complex roof details into one waterproof 2K system
Do not treat details as isolated repairs afterwards; design them in advance as part of the continuous waterproof membrane.
View this project route ↗For larger renovation projects
Have your roof assessed for a complete 2K system quote.
The quotation is tailored to the surface, preparation, details, accessibility, surface and desired planning.
Request a quotation ↗Discuss via WhatsAppFrequently asked questions
Technical clarity before application.
Is this system directly suitable for every surface mentioned?
No. The substrate must fall within the approved system scope and is checked for cohesion, moisture, contamination, movement and adhesion. The correct preparation and primer are then recorded.
Is the layer structure shown always the same?
The functions remain recognizable, but primer, reinforcement, number of layers and consumption may differ per substrate and load. The final structure is stated in the project specification.
Can the system be installed over existing waterproofing?
Only when material, mounting and condition are known and a compatible structure can be demonstrated. For unknown membranes or coatings, we first carry out identification and test adhesion.
Is cold-applied 2K polyurea quickly rainproof?
Rainproof routes are possible early within appropriate system and implementation conditions. The exact time depends on the selected product, temperature, humidity, substrate and layer structure and is therefore confirmed project-specifically.
Where can 2K polyurea be applied?
Possible applications include commercial roofs, concrete, metal, balconies, terraces, waterproofing under tiling, foundations and certain covered or water-loaded structures. Each application requires its own approved system structure.
What lifespan or warranty applies?
Technical ratings and expected useful lives are for specifically rated systems. The project guarantee also depends on the surface, scope, implementation, maintenance and written agreements.
What is the first step?
A project screening and inspection. We record construction, surface, damage picture, water load, details, accessibility and desired planning.
Related expertise
From waterproofing system to application, evidence and project route.
These next steps are linked to application, substrate, risk and decision phase. This way you navigate from general information to technology, evidence and a useful project route.
Technology
Central guide cold applied 2K polyurea
From target group and four-layer system structure to comparison, boundaries, project evidence and business next step.
View this route →TechnologyPrimers and adhesive layers
The project-specific connection between prepared substrate and subsequent layers.
View this route →ToolPolyShield System Configurator
Translate building part, subsurface, priority and planning into a transparent first system direction.
View this route →KnowledgeWhy use primer for roof coating?
Primer selection depends on the surface, preparation, moisture and adhesion route.
View this route →ToolPortfolio Scan and Decision Center
Rank multiple assets by urgency, consequential damage, continuity and file level.
View this route →ApplicationPolyShield Joints
Controlled sealing of moving, water-laden and industrially stressed joints.
View this route →Does this system direction suit your construction?
2K polyurea for larger projectsMeasure first or request an assessment immediately.
Measure your roofRequest a quotation