Quick Summary
The 3M Urethane Seam Sealer 08367 is a black seam sealer in a 310 mL cartridge. It is described as a single-component formula for use on bare metal, primed metal, and painted surfaces.
The product is also described as moisture curing, with a thick consistency that can fill large voids and be smoothed to a featheredge or brushed.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | 3M. Useful for confirming the exact product line. |
| Product type | Urethane seam sealer. This is the main product form. |
| Model | 08367. Important for matching the exact item. |
| Color | Black. Check color if appearance matters for the repair. |
| Capacity | 310 mL / 10.5 fl oz. Compare this with the size of the area you plan to seal. |
| Formula | Single-component formula. This affects how the product is handled and selected. |
| Surface compatibility | Bare metal, primed metal, and painted surfaces. Confirm that your surface matches this use. |
What to Compare Before Buying
- Surface type: This sealer is described for bare metal, primed metal, and painted surfaces. Match that to the surface you plan to seal.
- Capacity: The cartridge contains 310 mL / 10.5 fl oz. Check whether one cartridge is enough for the job.
- Finish color: It is black, so compare that with the visible finish you want after application.
- Application handling: The product is described as thick and able to be smoothed to a featheredge or brushed. Consider whether that working style suits your repair.
Important Limitations
The product is described as quick paintable after 30 to 45 minutes, but that timing should be matched to the needs of the specific project. It is also described as moisture curing, so the intended working environment matters for the exact job.
Before You Decide
Confirm the exact model number, color, and cartridge size before choosing an offer. Make sure the surface you need to seal is one of the stated surface types, and compare the 310 mL capacity with the size of the repair.





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