Overview
Built for the booth.
Multipurpose primer offering the functionality of "3 products in 1". Mix 4:1 for a primer filler, 4:1:1 for a primer surfacer or 4:1:2 for a primer sealer.
U-POL 2277 National Rule High Build Primer is a professional-grade primer designed for comprehensive surface preparation in collision repair applications. This white primer delivers exceptional build characteristics while maintaining compliance with national VOC regulations at 400 g/l, making it suitable for facilities operating under strict environmental standards.
The primer demonstrates versatility across multiple substrates including steel, aluminum, galvanized metal, fiberglass, SMC, plastic, polyester, e-coat, and existing primer surfaces. With a coverage capability of 1-2 coats, this high-build formulation provides efficient surface leveling and preparation. The product offers a 2-year shelf life when stored in sealed original containers and features a convenient 4:1 mixing ratio for consistent application results.
Always ensure adequate ventilation and use appropriate respiratory protection when applying this product. Follow proper spray booth protocols and wear suitable personal protective equipment during application and surface preparation procedures.
Why Pros Choose U-POL National Rule
- Excellent build and surface leveling properties
- Easy to sand wet or dry
- Can be applied direct to metal, over most plastics and over unsanded E-coat, aluminum and galvanized
- Tintable with up to 10% with urethane mixing base
Application Guide
- Ensure substrate is clean and properly prepared. Compatible with aluminum, e-coat, fiberglass, galvanized metal, plastic, polyester, primer, SMC, and steel surfaces.
- Mix primer at 4:1 ratio with appropriate activator according to manufacturer specifications.
- Apply 1-2 coats using standard spray application methods.
- Clean equipment immediately after use following standard solvent cleaning procedures.
Compatibility
Compatible substrates: Aluminum, Galvanized, Plastic, E-Coat.
Compatible paint systems: Urethane.
Specifications
| Part No. | 2277 |
|---|---|
| Product Line | UPO |
| Standard/Approvals | California Pro65 Warning: Cancer |
| Manufacturer | U-POL |
| UPC | 5010796112646 |
| Brand | U-POL® |
| Maximum Sale Quantity | 2 |
| Maximum Sale Day | 7 |
| Rubberized | No |
| Solids Content | 76.01% |
| Color | White |
| Container Type | Tin |
| Form | Liquid |
| Container Size (gal) | 1 |
| Type | National Rule |
| Mixing Ratio | 4:1 |
- Mix Ratio
- 4:1
- VOC Content
- 400 g/l
- Shelf Life
- 2 years in sealed original container
- Compatible Substrates
- Aluminum, E-coat, Fiberglass, Galvanized, Plastic, Polyester, Primer, SMC, Steel
- Number of Coats
- 1-2
About U-POL
U-POL delivers pro-grade refinish products including Raptor bed liner, Dolphin glazes, and Power Can aerosols used in shops worldwide.
Frequently Asked Questions
What surfaces can I use this primer on?
This high build primer is compatible with aluminum, e-coat, fiberglass, galvanized steel, plastic, polyester, existing primer, SMC, and steel substrates.
How many coats should I apply?
Apply 1-2 coats depending on your coverage needs and substrate condition.
What's the shelf life of this product?
The primer has a 2-year shelf life from the date of manufacture when stored in the sealed original container.
What's the VOC content?
This primer has a VOC content of 400 g/l, making it compliant with National Rule regulations.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
Cure & dry schedule
Timing at 77°F
Pot life
1 - 2 hours
Flash
15 mins
Over-paint
20 - 30 mins
Sandable
3 - 4 hours
Force-dry
15 mins @ 140°F
How to apply
Steps
1Clean and degrease the surface, then scuff as needed.
2Mask off surrounding panels and trim.
3Mix to the product's ratio and strain.
4Apply 2–3 even coats, flashing between each.
5Let cure fully before sanding, buffing, or assembly.
Specifications
Full data
Frequently asked
Good to know
U-POL UPO is compatible with Aluminum, Galvanized, Plastic, E-Coat. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
This listing ships U-POL UPO in a 1 (GL) container. Check the autofxmart catalog for other sizes and bulk pricing.
U-POL UPO uses a mix ratio of 4:1. Always measure activators and reducers accurately to maintain film properties and pot life — deviating from the ratio can cause adhesion or curing problems.
Most in-stock orders for U-POL UPO ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of U-POL products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
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