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4 files & links
NPT · Teak Deck Bonding & Caulking
SiMP-Seal Teak 680
A moisture-curing sealant for joints in traditional teak and timber boat decks. It forms a flexible, watertight caulk with resistance to sunlight, weather and salt or fresh water, and can be sanded after curing.
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View documentation 4 files & links ↓Key features
- Single-part SiMP paste without solvents or isocyanates
- Suitable for prefabricated decking and decks assembled on board
- Follow NPT limits for timber moisture and joint preparation
- Designed for colour stability and a non-staining finish after sanding
Specifications
| Chemistry | SiMP joint sealant |
|---|---|
| Applications | Teak and marine timber deck seams |
| Service temperature | −40°C to +100°C |
| Finishing | Sand after full cure; follow the technical sheet |
| Shore A hardness | Approx. 48 |
| Skin time | Approx. 25 minutes at 23°C / 50% RH |
| Cure depth in 24 hours | Approx. 2.5 mm at 23°C / 50% RH |
| Tensile strength | Approx. 3.0 N/mm² |
| Elongation at break | Approx. 200% |
| Application temperature | +5°C to +35°C |
Product resources
Documentation
Manuals, technical information and catalogues for SiMP-Seal Teak 680.
Product documents & support
SiMP-Seal Teak 680 — Technical data sheet (PDF)NPT technical sheet · English · TDS2021 eng ver 5.0 (275 KB)Download PDF ↓
NPT manufacturer product pageOfficial product information and latest updatesNPT safety data portal — login requiredManufacturer account required. Contact Custom Marine to request the current product SDS.Brand catalogue
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