Heavy Bodied Seam Sealer - Beige (7 oz.)
A high viscosity direct to metal seam sealer designed for sealing horizontal and vertical voids, joints and seams.
The DURAMIX 1370 Heavy Bodied Seam Sealer is a professional-grade two-component adhesive sealant designed for permanent sealing of joints, seams, and panel gaps in collision repair applications. This beige-colored sealer provides excellent adhesion and flexibility for automotive body work where durability and appearance are critical.
Formulated with a convenient 1:1 mix ratio, this sealer offers a 10-15 minute work time with handling strength achieved in 30-45 minutes and full cure in 6-8 hours. The heavy bodied consistency allows for precise application without sagging or dripping, making it ideal for vertical surfaces and gap filling. Compatible with aluminum, bare metal, e-coat, fiberglass, FRP, OEM finishes, primer, and SMC substrates, providing versatility across various repair scenarios.
Always use appropriate personal protective equipment including gloves, eye protection, and ensure adequate ventilation during mixing and application. Follow all manufacturer safety guidelines and local regulations for proper handling and disposal.
Why Pros Choose DURAMIX BY SEYMOUR DMX
- Working Time: 10 to 15 min.
- Handling Time: 30 to 45 min
- Sandable Time: 45 min
- Paintable Time: Immediately
- Full Cure Time: 6 to 8 hours
Application Guide
- Clean substrate thoroughly. Ensure aluminum, bare metal, e-coat, fiberglass, FRP, OEM primer, or SMC surfaces are free of contaminants.
- Mix sealer at 1:1 ratio. Use mixed material within 10-15 minutes work time.
- Apply sealer to seam areas using appropriate dispensing equipment. Smooth and tool as needed.
- Allow 30-45 minutes handling time before touching or moving parts.
- Cure for 6-8 hours before final sanding or topcoating.
Specifications
| Part No. | 1370 |
|---|---|
| Product Line | DMX |
| Manufacturer | DURAMIX BY SEYMOUR |
| UPC | 043281010771 |
- Mix Ratio
- 1:1
- Work Time
- 10-15 minutes
- Handling Time
- 30-45 minutes
- Cure Time
- 6-8 hours
- Compatible Substrates
- Aluminum, bare metal, e-coat, fiberglass, FRP, OEM, primer, SMC
About DURAMIX BY SEYMOUR
DURAMIX BY SEYMOUR is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can I use this seam sealer on?
This heavy bodied seam sealer is compatible with aluminum, bare metal, e-coat, fiberglass, FRP, OEM finishes, primer, and SMC substrates.
How long does it take to fully cure?
Full cure time is 6-8 hours after application.
What's the working time after mixing?
You have 10-15 minutes of work time after mixing the 1:1 ratio components.
When can I handle the sealed area?
The sealer can be handled after 30-45 minutes, though full cure takes 6-8 hours.
What's the mix ratio for this seam sealer?
Mix at a 1:1 ratio for proper curing and performance.
Documents & Safety
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