Deck Maintenance Products
SIS 440 Caulking — Grey
SIS 440 Grey caulking is our top selling product, and a proven leader in the marine industry. It is used by our team on every teak deck we manufacture. No primer is required for this one-part, paste-like neutral cure patented formulation, which when exposed to moisture in the air, reacts to form a tough, flexible solid rubber.
This neutral cure is non-corrosive to all substrates. It provides the durability required in the marine environment and has excellent temperature stability and chemical resistance once cured.
- One-part polymer adhesive/sealant neutral cure
- No primer necessary
- One-Part Silane Polymer forms a Solid Rubber Compound
- Stays flexible and cures rapidly
- Adheres permanently
- Minimum sag and shrinkage
- Highest rated resistance to UV and works in cold climates
- Used by boat builders, boat repair yards, marinas, private boat owners, cruise ships, and boat chandleries
- 15-month shelf life from Date of Manufacture
- Allow for 15-21 days for Gray Caulk to cure, prior to sanding. Please reference Caulk Application Guide for details
Part Numbers
| Part Number | Description | Packaging |
|---|---|---|
| 116-003 | SIS 440 Teak Caulk 10.3 oz (305 mL) Cartridge – Gray | 12 Cartridges/Case |
| 116-006 | SIS 440 Teak Caulk 20 oz (592 mL) Sausage – Gray | 12 Sausages/Case |
Downloads
Caulk Yield Calculator
Enter seam dimensions and length above to calculate
Note: This calculates the exact fill volume. We recommend adding 20–25% overage to account for the slight crown left during application and material lost during the spooning/tooling process.
Frequently Asked Questions
- What is SIS 440 Caulking — Grey used for?
- SIS 440 Grey caulking is our top selling product, and a proven leader in the marine industry. It is used by our team on every teak deck we manufacture. No primer is required for this one-part, paste-like neutral cure patented formulation, which when exposed to moisture in the air, reacts to form a tough, flexible solid rubber.
- Who typically uses SIS 440 Caulking — Grey?
- SIS 440 Caulking — Grey is used by marine professionals, boatyards, installers, captains, and yacht owners maintaining teak and composite decks.
- Where can I find product documentation?
- Product documentation, technical data sheets, and downloads are available on this product page where provided. Contact Teakdecking Systems for further technical support.
