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U-POL: understand the range before choosing
U-POL is an automotive-refinishing specialist whose official range covers body fillers, coatings, aerosols, adhesives, sealants and bodyshop consumables. That description closely matches this page: it brings together fillers and glazes, primers, stone-chip coatings, sealants, degreasers, clearcoats, hardeners and application equipment rather than vehicle-specific mechanical parts.
AutoMotoPart currently lists 58 U-POL items. The largest U-POL groups are 55 body-repair and refinishing entries, 1 fast hardener entry, 1 gravitex entry, 1 gravitex stonechip protector grey entry. U-POL totals can change, so a category count is orientation rather than proof that a particular reference suits a vehicle, workplace or job. The exact U-POL listing, its current technical information and the item in front of you must agree.
What the U-POL page actually covers
| Product group in this range | Current entries | Selection focus |
|---|---|---|
| Body-repair and refinishing products | 55 | Identify the specific filler, primer, coating, sealant or cleaner and follow its own substrate, mixing, application, cure and safety data. |
| Fast hardener reference | 1 | Use only with the coating system and ratio named in the current technical sheet; 'fast' is not cross-system compatibility. |
| Gravitex protector reference | 1 | Confirm Gravitex colour, substrate preparation, application gun or pressure, texture, film build and overcoat procedure. |
| Gravitex grey stone-chip protector | 1 | Check the grey stone-chip product code, surface preparation, spray method, drying and topcoat compatibility. |
The visible selection contains fifty-eight U-POL products. Fillers, spray paints and primers form the largest recognisable groups, with repair kits, seam or panel sealants, degreasers, protective coatings and related equipment also represented. Three separate Tiger Seal colours, several body-filler formulations and multiple primer colours illustrate why the precise code, size and variant should stay with the job from preparation to final coating.
Build a reliable shortlist
Plan the entire layer stack before selecting one tin or aerosol. Identify bare steel, aluminium, galvanised metal, sound paint, polyester filler, glass fibre or plastic separately because each can need different cleaning, abrasion and adhesion steps. The final colour or coating system also determines what may sit beneath it and when it can be applied.
| Check | Why it matters | Useful evidence |
|---|---|---|
| Substrate | Adhesion and chemical compatibility change across metal, plastic, filler and existing paint | Exact U-POL substrate list plus a sound, identified surface |
| Repair depth | Glaze, finishing filler, deep filler and bridging compound perform different jobs | Damage profile after corrosion and weak material are removed |
| Mixing system | Resin, hardener and reducer ratios control cure and film properties | Current technical sheet, calibrated measure and matching components |
| Application route | Cartridge, aerosol, spray gun, roller and spreader require different preparation | Product instructions, equipment setup and controlled workspace |
| Cure conditions | Temperature, humidity, film thickness and time affect sanding and overcoating | Measured workshop conditions and stated windows |
| Next coating | A cured repair must accept the intended primer, colour or clearcoat | Complete refinishing-system compatibility and test area where required |
Do not use package colour or an old workshop nickname as the specification. If a U-POL code has changed, locate the current technical and safety documents before assuming the replacement mixes or cures identically. An unidentified old coating should be tested or removed by a documented process rather than sealed under additional layers without assessment.
Body fillers, glazes and reinforced repairs
Body filler restores a contour after damaged or corroded material has been dealt with; it does not make unsound metal structurally safe. U-POL examples here include lightweight and general fillers, finishing glaze, carbon- or glass-fibre reinforced products and a small hole-repair compound. Select by the defect and substrate, then respect the maximum depth and permitted repair area stated for the exact formulation.
Prepare a clean, dry, correctly abraded surface and remove dust without contaminating it. Fold resin and hardener together using the specified ratio and method, avoiding excessive air. Pot life starts as the components react, so spreading a thickened mix or adding solvent to revive it is not a valid correction. Shape within the recommended window and use extraction during sanding; pinholes, uncured areas or edge lifting need correction before primer.
Primers, isolators, clearcoats and hardeners
The current range includes plastic primer filler, etch primer, High5 colours, Powercan primers, Barcoat isolator, sprayable polyester filler, clearcoat and separate hardeners. These names describe different functions. An etch primer is not a universal base for every filler or substrate, and an isolator should only be used over conditions stated in its technical information. Preserve the specified order of coats.
Two-pack products rely on a matched resin and activator at an exact ratio. Too much or too little hardener can leave a film brittle, soft or incompletely cured; warming or adding a fast component from another line does not repair the mix. Observe induction, pot life, flash-off and cure requirements. If the safety data identifies isocyanate-containing material, spraying requires the specialist exposure controls set out for that process.
Tiger Seal, seam sealing and panel bonding
U-POL describes Tiger Seal as a one-component moisture-cured polyurethane sealant and adhesive for automotive applications. The present page includes white, grey and black 310 ml cartridges, as well as a brushable seam sealer elsewhere in the selection. Colour, tooling method, cure and paintability are product-specific details; a similar tube does not establish that another sealant can be used in the same joint.
Determine whether the original joint is cosmetic, weather-sealing or load-bearing before replacing its material. Remove loose product, corrosion and contamination without weakening flanges or factory joints. Apply the bead geometry and thickness directed for the repair, keep drain paths open and allow the stated cure before loading or overcoating. A sealant must not be used to conceal a cracked panel or substitute for a specified mechanical or welded joint.
Gravitex, RAPTOR and protective textures
Gravitex stone-chip products and RAPTOR liner kits create protective, textured finishes for defined substrates and uses. The page includes black and grey Gravitex options, aerosol stone-chip protection, tintable and black RAPTOR kits, plus an application gun. Texture depends on product, gun setup, pressure, distance, film build and technique; reproduce it on a test piece before committing to a visible panel.
Protection only performs over sound preparation. Treat corrosion, feather coating edges and apply the primer or adhesion layer required by the exact system. Mask threads, drains, labels, sensors and heat-sensitive areas. A thick coat can trap solvent or obscure fixings, while uneven coverage can leave weak edges. Allow every layer to flash and cure under the stated conditions before topcoating or exposing the surface to service.
Degreasing, spraying and bodyshop controls
Fast and slow solvent degreasers appear in the current U-POL range, but evaporation speed is not the only selection factor. Use the cleaner approved for the substrate and stage, with clean cloths and ventilation that prevents vapour accumulation. Do not allow dirty solvent to dry back onto the surface, and keep containers closed when not dispensing. Static, sparks, hot work and unsuitable electrical equipment can create ignition risks around flammable vapour.
HSE bodyshop guidance requires hazardous-substance exposure to be assessed and controlled. Spraying creates mist beyond the visible fan, while sanding fillers and coatings produces fine dust. Use effective extraction, maintain the spray area and wear task-specific protective equipment based on the safety data and assessment. Do not lift respiratory protection inside a contaminated spray space before the defined clearance time has elapsed.
From identification to a checked result
| Stage | Good practice for this range | Mistake to avoid |
|---|---|---|
| Assess | Identify substrate, damage, old finish, intended topcoat and hazards | Beginning from the nearest colour or product name |
| Document | Obtain the current U-POL technical and safety sheets for every component | Relying on memory from another filler or hardener |
| Prepare | Clean, abrade, extract dust, mask and condition the work area | Coating over corrosion, silicone or trapped solvent |
| Mix and apply | Measure accurately and follow pot life, equipment and film-build instructions | Changing ratios to speed or slow the job |
| Cure and verify | Respect flash-off and cure, then inspect adhesion, pinholes and edges | Sanding or topcoating material that remains uncured |
Record the U-POL codes, batch components, ratio, application time and workshop conditions until the finish has cured and been inspected. This helps trace an unexpected reaction and prevents leftover hardener or reducer being assigned to a different system during a later repair.
Reading real U-POL references
The U-POL names below are examples from the current range and show why the complete description matters. They are not universal U-POL recommendations and should not be treated as a fitment list. Within U-POL, a shared family word can conceal a different dimension, connector, material, pack format, operating condition or installation side.
| Example listing | What to verify beyond the name |
|---|---|
| U-Pol Tiger Seal Polyurethane White - 310ml | Substrate, defect depth, mix ratio and sanding window |
| U-Pol Tiger Seal Polyurethane Grey - 310ml | Product code, matching hardener, pot life and cure conditions |
| U-Pol Tiger Seal Polyurethane Black - 310ml | Sealer colour, joint role, bead, cure and paintability |
| U-Pol Dolphin Finishing Glaze - 440ml | Primer type, substrate, film build and overcoat sequence |
| U-Pol Easy One Body Filler - 3 Litre | Substrate, defect depth, mix ratio and sanding window |
| U-Pol Fantastic Ultra Lightweight Body Filler - 3 Litre | Product code, matching hardener, pot life and cure conditions |
| P40 Body Filler For Holes 100 Ml Tube | Sealer colour, joint role, bead, cure and paintability |
| U-Pol Plastic Primer Filler - Grey - 400ml | Primer type, substrate, film build and overcoat sequence |
Names such as Fast Hardener, Gravitex and Powercan are product-family clues, not complete working instructions. Read the U-POL code, size, colour and current documents together, especially where the same family contains several activators, application formats or substrate routes.
Common errors around U-POL products
- Using a U-POL finishing glaze as a deep structural repair.
- Adding extra hardener to shorten cure time or mixing an activator from another coating line.
- Applying primer over silicone, corrosion, sanding dust or solvent that has not flashed away.
- Assuming Tiger Seal can replace a specified weld or structural adhesive in every joint.
- Spraying a two-pack product without checking its safety data and required bodyshop controls.
- Masking a drain, earth point, thread or sensor beneath a textured protective coating.
- Changing gun pressure and film build on the vehicle without first checking the resulting texture.
- Topcoating before the stated cure or recoat condition has been reached.
U-POL questions and answers
Q: What U-POL products are represented here?
A: The range includes fillers, glazes, primers, sealants, stone-chip coatings, RAPTOR kits, clearcoat, hardeners, degreasers and application equipment.
Q: Can any U-POL hardener be used with any filler or clearcoat?
A: No. Use only the hardener and ratio stated for the exact resin or coating system.
Q: Does more hardener make filler cure better?
A: No. An incorrect ratio can damage cure and working properties; measure the specified amount.
Q: Can filler be applied over rust?
A: Do not bury active corrosion or unsound metal; prepare the substrate by the documented repair process first.
Q: What is Dolphin glaze used for?
A: It is represented as a finishing product, but permitted depth, substrate and overcoating must come from its current technical sheet.
Q: Are all primers interchangeable beneath a topcoat?
A: No. Etch, plastic, isolating and high-build primers have different roles and compatibility rules.
Q: Can Tiger Seal be painted?
A: U-POL describes it as paintable, but timing, paint system and surface treatment must follow the exact technical information.
Q: Can Gravitex and RAPTOR be sprayed with the same setup?
A: Do not assume so; use the gun, pressure, reduction and application method specified for each product.
Q: Why should a texture be tested first?
A: Pressure, distance, nozzle, product and film build all alter appearance, making a test piece useful before a visible panel.
Q: Is ordinary dust protection enough for spraying?
A: Protection must follow the safety data and workplace assessment; some two-pack spraying requires specialist air-fed controls.
Q: What should be done with mixed leftover material?
A: Manage it as directed by the safety sheet and local waste procedure; do not return it to the original container.
Q: What U-POL details should be recorded?
A: Keep the exact code, colour, component ratio, application time, conditions and cure or overcoat stage.