Expertise You Can Rely On
STI’s Marine team of experienced professionals is ready to assist on your next project. We employ field representative all over the globe to provide expert one-on-one support and training in your office or in the shipyard. We have engineering offices in different countries to provide technical support for even the most complicated applications or custom situations.
For over 30 years, STI has been the leader in developing innovative firestopping solutions - whether on land or at sea. Trust STI for Service, Technology, and Innovation; pillars for our success and yours!
Our Mission
To provide innovative and cost-effective firestop solutions.
- Firestopping and its important role in life safety
- Our customers’ success and making their experience with us as valuable and enjoyable as possible
- Delivering knowledge and outstanding technical support
- Maintaining a culture of integrity, caring, respect, flexibility, teamwork, and fun
- Developing high-quality, innovative, and environmentally responsible products
- Our employees and their personal and professional development
- Financially sustainable performance
The Total Solution for Maintaining the Integrity of Fire-Rated Bulkheads and Decks
- The Fastest and Easiest Way to Run Cables
- Adapts to Future Cabling Expansions
- Provides Maintenance-Free Cable Seals 24/7
M-PACT® represents the fastest solution for sealing fire-rated cable and pipe penetrations in both watertight and non-watertight divisions. It combines pliable, non-combustible filler blanket with advanced watertight MFS sealant.
We offer a comprehensive line of penetration seal solutions for addressing in rated divisions.
Tools & Resources
We’ve curated an extensive collection of tools and resources tailored to meet the specific needs of professionals in the industry. Our assortment focuses on functional tools and references for Firestop solutions, providing professionals with the knowledge, guidance, and tools necessary to ensure safety, compliance, and precision in their projects, ultimately enhancing the integrity of their construction work.
- Find the right Marine Type Approval based on agency, penetrant type, division type, and more. Build submittals for submission to your Authority Having Jurisdiction.
- Quickly filter our library to find the exact type approval you need
- Sort by Division Type (Bulkhead, Deck, Steel, Aluminum, and Joiner Panels)
- Account for Water and/or Gas Tightness requirements
We have a fully staffed Engineering Services Team ready to help with Engineering Judgements (EJ's)/Technical Evaluations (TE's), technical inquiries, specification reviews, project plan reviews and more.
These powerful tools guarantee the right systems are selected for the fastest and most cost-effective installation for all your projects.
The Firestop University gives you access to all of STI’s learning material and product tutorials.
Estimate the quantities of M-PACT Filler Blanket and Sealant are needed to properly seal your sleeve condition.
Estimate the number of EZ-Path Cable Tranists you need to meet your vessel’s cable pathway needs
Estimate how many SSB Firestop Pillows you need to properly firestop your penetration based on penetrant and opening area.
M-PACT Installation Instructions
Wrap plastic pipes (if present)with a single layer of MWS MarineWrap Strip on both sides of sleeve,recessed 12.7 mm from sleeveends.
EZ Path Welding Instructions
Refer to product installation instructions: ZIS1079 (MDM150A & MDM150B), ZIS1211 (MDM150Y), ZIS1212 (MDM150Z), ZIS1080
MFS - Marine Firestop Sealant
A single component, flexible, hybrid-polymer firestopsealant for use as a penetration seal in fire-rated bulk-heads and decks.
MDM150 Fire-Rated Cable Transit
Cable transit device consisting of heavy gauge steel shellwith self-adjusting intumescent liners to allow cables