3M Urethane Seam Sealer, 08362, Gray, 310 mL Cartridge, 12 per Case

• GAP-FILLING CONSISTENCY: Thick consistency enables the filling of large voids while helping to prevent corrosion
• MOISTURE CURING PROPERTIES: Provides excellent performance in high-heat and humid environments
• PAINTABLE IN MINUTES: Work faster using a sealer that is paintable in just 30-45 minutes
• PERMANENT ELASTICITY: A non-shrinking, non-cracking, low-to-no odor formula remains flexible and offers superior results to solvent-based sealers
• SEAL YOUR WAY: Can be smoothed to a featheredge or brushed
• VERSATILE APPLICATION: A high-quality, single-component formula adheres well to bare metal, primed metal, and painted surfaces

3M Urethane Seam Sealer is a high solids seam sealer ideal for sealing automotive and RV seams and joints. It adheres well to bare metal, primed metal and painted surfaces, and if desired can be smoothed to a featheredge and/or brushed. Tack free and paintable after 30-45 minutes, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers.

Create Tight, Long-Lasting Seals
3M™ Urethane Seam Sealer is an excellent choice when sealing interior or exterior seams to help prevent the intrusion of water, dust, and air, aiding in providing corrosion resistance at these locations. Choose this seam sealer for high-quality sealing of seams and joints on primed metal or painted surfaces, and even on bare metal. It applies easily and is formulated for long-lasting support to the seam without shrinking, cracking, or causing unpleasant odors.

Fill in Gaps with Confidence
With its thick consistency, our 3M™ Urethane Seam Sealer is an excellent gap sealer and you can feel confident using this sealer to fill large voids between parts where they occur. Designed to be used over epoxy or urethane based primers, the sealer comes in several colors to enable color matching. Note that the sealer should be top coated when exposed to ultra violet rays.

Excellent Performance in High Heat and Humidity
While some seam sealers require cure time in a completely dry environment, our 3M™ Urethane Seam Sealer is moisture-curing so it provides a reliable seal regardless of moisture or humidity in the air. It can be painted after 30-45 minutes.

Rigid or Flex Pack Options
This sealer comes in either a flexible foil pack or rigid metal cartridge. Application of the cartridge sealer requires the use of a 3M™ Single Component Cartridge Applicator Gun - pneumatic (08990) or 3M™ Professional Caulking Gun (08993), and 3M™ Threaded Cartridge Nozzles (08187).  Foil packs are designed for use with 3M™ Flexible Package Applicator Gun - Pneumatic (08399) or 3M™ Flex Pack Applicator (08398) these include one applicator nozzle, additional nozzles may be acquired as PN (08188).

3M Science Meets the Needs of Automotive Professionals
3M™ Urethane Seam Sealer was formulated for general repairs that require long-lasting hold, easy curing, and appearance matching. 3M™ Urethane Seam Sealer is ideal for lasting seam sealing protection on many different surfaces, including bare metal, and allows technicians to expertly recreate OEM appearances. This expert formula represents another way that 3M applies scientific knowledge and ingenuity to the automotive industry.

Trusted 3M Urethane Quality

The 3M Urethane Seam Sealer, model 08362, offers reliable sealing with a thick consistency that fills large gaps effectively. This gray sealer comes in a 310 mL cartridge, ensuring you have the right amount for your project.

Designed for automotive and RV seams, this 3M product adheres well to bare metal, primed metal, and painted surfaces. Its high solids formula provides long-lasting protection against corrosion and environmental damage.

Fast Paintable Sealant

This urethane seam sealer is paintable within 30 to 45 minutes, allowing you to work faster and finish jobs sooner. The quick tack-free time helps reduce downtime during repairs or assembly.

Its 310 mL cartridge format fits standard applicator guns, making it easy to apply smoothly or brush on. The pack size of 12 per case ensures you have enough supply for multiple projects or professional use.

Durable Elastic Sealant

The 3M 08362 sealer features permanent elasticity, meaning it won’t shrink or crack over time. This non-shrinking, low-odor formula stays flexible to maintain a tight seal under stress or movement.

Its moisture-curing properties allow it to perform well even in high heat and humid environments, making it suitable for interior and exterior automotive applications where durability is key.

Versatile Application Options

This gray urethane sealer can be smoothed to a featheredge or brushed on, offering flexibility in how you finish seams. The cartridge format is compatible with 3M’s pneumatic or professional caulking guns for precise application.

Available in a pack of 12 cartridges, it supports both small repairs and larger projects. The sealer’s single-component formula adheres well to various surfaces, including painted and primed metals.

Reliable Seam Protection

3M Urethane Seam Sealer 08362 is designed to create tight, long-lasting seals that prevent water, dust, and air intrusion. Its 310 mL cartridge size provides enough material for thorough coverage on automotive and RV seams.

With a pack count of 12 per case, this sealer is ideal for professionals needing consistent quality. It helps maintain corrosion resistance and OEM appearance on seams and joints.