Primers
Oak Ridge
SKU: OR 811
OR 811 Single-Component Polyurea Primer
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OR 811 is a single-component polyurea primer formulated with a non-HAPs solvent package. Its low viscosity lets it penetrate porous surfaces such as concrete, leaving a film that dramatically improves...
Key Specifications
- Type
- Single-component polyurea primer
- Color
- Unpigmented amber
- Cleanup
- MEK (before cure)
- Solvents
- Non-HAPs package
- Tensile Strength
- ~550 PSI
Graco Authorized Distributor • Nationwide Shipping • Training Included with Equipment
OR 811 is a single-component polyurea primer formulated with a non-HAPs solvent package. Its low viscosity lets it penetrate porous surfaces such as concrete, leaving a film that dramatically improves the adhesion of subsequent polyurea and polyurethane coatings.
Supplied unpigmented (amber appearance). Cured film tensile strength is approximately 550 PSI. Clean uncured material from tools and equipment with MEK.
Supplied unpigmented (amber appearance). Cured film tensile strength is approximately 550 PSI. Clean uncured material from tools and equipment with MEK.
Application Video
Demo from @oakridgepolywi
Why Choose Oak Ridge?
Est. 1984
Decades of expertise in spray foam and polyurea systems.
Graco Authorized
Factory-authorized distributor with certified technicians.
Contractor Pricing
Volume discounts for dealers, contractors, and startups.
Training Included
Hands-on applicator training with equipment purchases.
| Property | Value |
|---|---|
| Type | Single-component polyurea primer |
| Color | Unpigmented amber |
| Cleanup | MEK (before cure) |
| Solvents | Non-HAPs package |
| Tensile Strength | ~550 PSI |
Specifications subject to change. Always refer to the current Technical Data Sheet for the most accurate values.
Available Documents
Can't find the document you need? Browse the full SDS/TDS library or request printed spec sheets.
Where OR 811 Single-Component Polyurea Primer Is Used
Concrete floors and slabs ahead of coating
Weathered roofing before recoat
Steel and metal substrates
Tie coats over existing coatings
Porous masonry surfaces
Adhesion-critical detail work
Not sure which product fits your application?
Our technical team can match you to the right system for your substrate, climate, and performance requirements.
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Volume discounts available for dealers, installers, and startup packages. Call or send a quote request to get current pricing and lead times.