Teakdecking Systems (TDS) SIS 440 Teak Deck Caulking is their top selling product and a proven leader in the marine industry.  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
For more product information, click at below link
- Product Data Sheet
- Safety Data Sheet
- Product Label Instructions
- Caulk Yield Chart
- Caulking Application Guide
                    
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