3M Urethane Seam Sealer, 08367, Black, 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 Seam

The 3M Urethane Seam Sealer, model 08367, offers reliable sealing for automotive and RV applications. This black sealer comes in a 310 mL cartridge, providing a consistent and durable solution for your seam sealing needs.

Its formulation ensures excellent adhesion to bare metal, primed metal, and painted surfaces. The 12 per case pack size makes it convenient for professional use or larger projects.

Gap-Filling Thick Consistency

This sealer features a thick consistency designed to fill large voids effectively, helping to prevent corrosion in seams and joints. Its gap-filling ability makes it ideal for sealing uneven or wide gaps.

Use the 310 mL cartridge format for precise application, ensuring a tight seal that lasts. The black color also aids in matching various surfaces during repairs.

Fast Paintable Dry Time

The 3M Urethane Seam Sealer is paintable within 30 to 45 minutes, allowing you to work faster and complete projects efficiently. This quick-drying feature reduces downtime between application and finishing.

Its moisture-curing properties ensure reliable performance even in high-heat and humid environments, making it suitable for diverse working conditions.

Permanent Elasticity Formula

This sealer maintains permanent elasticity without shrinking or cracking, thanks to its urethane-based formula. It also has low to no odor, improving comfort during application.

The 310 mL cartridge format supports smooth application, and the sealer can be feathered or brushed to achieve the desired finish on seams and joints.

Convenient Cartridge Pack

The product comes in a 310 mL cartridge, packaged 12 per case, designed for use with 3M applicator guns. This format ensures easy handling and precise application for professional results.

Choose between rigid metal cartridges or flexible foil packs depending on your tool compatibility. The cartridge system supports efficient use and reduces waste during seam sealing tasks.