Built for the job.
SEM® 1K Seam Sealer is a versatile, single component sealer for sealing interior or exterior seams, joints, and voids.
Why Pros Choose SEM 1-Component
- OEM recommended
- Direct to metal
- Paintable immediately
- Remains flexible without shrinking or cracking
- Colors match many OEM sealers
- Optimal working time
- Corrosion resistant
- Resistance weldable
- Excellent adhesion
How to Use
For use on properly prepped primed or painted surfaces and bare metal
- Clean and dry the substrate (aluminum, OEM primer, steel) to remove oil, rust, and loose material.
- Dispense the 1‑component seam sealer directly from the tube; no mixing ratio is required.
- Apply the sealer with a brush, roller, or suitable applicator to fill the seam. Work within the 5‑10 minute work (flash) window.
- If a second coat is required, apply it after the flash time and repeat step 3.
- Allow the seam to cure for 24 hours at 70 °F (21 °C) to achieve a 4 mm film thickness.
Compatibility
Compatible paint systems: 1K.
Specifications
| Part No. | 29372 |
|---|---|
| Product Line | SEM |
| MFR Model | 29372 |
| Standard/Approvals | GHS07 | OSHA HCS Hazard | OEM Approved | California PROP65 Warning: Cancer |
| Application | For use on properly prepped primed or painted surfaces and bare metal |
| Manufacturer | SEM |
| UPC | 646786293726 |
| Brand | SEM® |
| Maximum Sale Quantity | 12 |
| Maximum Sale Day | 7 |
| Applicable Materials | Prepped Prime and Painted Surfaces, Bare Metal |
| Composition | 13 to 30% Calcium Carbonate Calcium Carbonate, 13 to 30% 1,2-benzenedicarboxylic Acid, Bis(2-propylheptyl)ester,>=1.5 to <3% N-(3-(trimethoxysilyl)propyl)ethylenediamine, 1 to 1.5% Titanium Dioxide |
| Application Time | 5 to 10 min at 70 deg F |
| Paintable (Y/N) | Yes |
| Component | 1K |
| Odor/Scent | Characteristic |
| Color | Gray |
| Setting Time | 20 to 30 min at 70 deg F |
| Flash Point | 98 deg C |
| Container Size (oz) | 10.1 |
| Container Type | Tube |
| Form | Liquid |
| Series | 2900 |
| Temperature Rating (deg F) | 70 |
| Type | 1-Component |
| Curing Time | 24 hr at 70 deg F |
- Work Time
- 5–10 min @ 70 °F (21 °C)
- Dry Time
- 24 hr @ 70 °F (21 °C) for 4 mm film
- VOC
- Zero
- Compatible Substrates
- Aluminum, OEM primer, steel
- Coverage
- Professional results
About SEM
SEM Products specializes in paint adhesion systems, flexible coatings, and plastic repair — the go-to choice for interior and trim refinishing.
Frequently Asked Questions
What substrates can I apply SEM® 29372 Seam Sealer to?
It is compatible with aluminum, OEM finishes, primer, and steel substrates.
How long does the seam sealer take to cure?
At 70 °F (21 °C) the material reaches a 4 mm depth cure in 24 hours.
What personal protective equipment is required when using this product?
Wear eye protection, chemical‑resistant gloves, protective clothing, and a respirator as recommended in the SDS.
Can I sand or paint over the cured seam sealer?
Yes. Once fully cured (24 hours at 70 °F), the seam sealer can be sanded and painted to achieve professional results.
Documents & Safety
- Safety Data Sheet (SDS)
- dualmix_39357_catalog.pdf
- sem_29362_specification_sheet.pdf
- COLOR_COAT_13003_Catalog.pdf
Danger: This seam sealer is toxic if inhaled or swallowed, can cause serious eye damage and skin burns, is a known carcinogen, and is harmful to aquatic life. Wear safety glasses, chemical‑resistant gloves, protective clothing, and a suitable respirator when handling. Rinse skin thoroughly with water if contact occurs and seek fresh air immediately if inhaled. Avoid release to waterways. Always refer to the full SDS before use.
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 [email protected].
