Tunnel
waterproofing
Advanced systems for underground structures, ensuring watertight protection and longevity.
Explore ↗30 years with you.
Precise.
Functional.
Connected.
Gefyra is synonymous with reliable waterproofing, thermal insulation and structural strengthening — locally and globally.
Quality without
compromise.
compromise.
33 yearsof engineering excellence
2–25 yearslong-term warranties
4 officesglobal delivery
Certified teamsquality and safety first
Our expertise. Your advantage.
Specialist solutions
built to last.
High-quality waterproofing for bridges, tunnels, pools, terraces, car parks and the structures that demand lasting protection.
View all services ↗Tunnel
Bridge
waterproofing
High-performance membranes and coatings for bridge decks and demanding structures.
Explore ↗Flat roof
waterproofing
Robust solutions for flat roofs, built to withstand the elements.
Explore ↗Green
roofs
Integrated waterproofing systems for sustainable and energy-efficient design.
Explore ↗Balcony, terrace
and car park
Durable protection for exposed areas and vehicular traffic zones.
Explore ↗Underground
structures
Bespoke systems for basements, retaining walls and below-grade structures.
Explore ↗Pools, tanks
and wet areas
Watertight solutions for wet areas, pools, reservoirs and tanks.
Explore ↗Concrete repair
and strengthening
Restoration and strengthening solutions that extend the life of structures.
Explore ↗About us
Tradition and
strength.
Founded in 1993 in Split, Croatia, Gefyra specialises in waterproofing, thermal insulation, repair and strengthening of concrete and masonry structures.
Waterproofing engineered for the conditions below.
01
Assess
We evaluate condition, risks and performance requirements to define the right scope and solution.
02
Design
Engineered systems, specified materials and detailed method statements tailored to your project.
03
Protect
Precision installation by trained specialists using proven systems and strict quality control.
04
Deliver
Handover with documentation, warranties and ongoing support for long-term assurance.
Selected work & satisfied clients.
Proven on every
structure.
Our portfolio spans residential buildings, terraces and roofs, through to tunnels, pools and hydroelectric plants.
View all projects ↗Krk BridgeCroatia · Bridge waterproofing
Dubrovnik BridgeCroatia · Bridge waterproofing
Hotel Park, SplitCroatia · Roof waterproofing
Hotel CrikvenicaCroatia · Waterproofing
Green Bridge, OsmakovacCroatia · Bridge waterproofing
Ston BridgeCroatia · Structural protection
Avenue Mall, ZagrebCroatia · Tunnel waterproofing
Gallery of our work
Our portfolio,
in the field.
Quality is confirmed through certifications and long-term guarantees, with special attention to ecology, safety and the continued training of our people.
Sustainability and human values.
Quality without
compromise.
ISO 9001Quality management
ISO 14001Environmental systems
ISO 45001Health and safety
2–25 yrsWarranty range
Request a conversation.
Let’s talk.
Tell us about your project and our specialists will help define the right next step.