Balcony and terrace waterproofing

Starflex systems for balcony and terrace waterproofing

Don’t settle for outdated methods. Upgrade to balcony waterproofing systems that combine safety, performance, and simplicity.

STARFLEX MONO 100
A high-quality single-component polyurethane membrane, Starflex Mono is designed for continuous waterproofing applications. Its superior elasticity and crack-bridging properties make it ideal for balconies and terraces exposed to the elements. It also offers excellent adhesion to various surfaces.

STARFLEX ULTRA
For those who require the best in performance and durability, Starflex Ultra is a polyurea-based solution that provides a quick, seamless waterproofing layer. This product is resistant to extreme weather, including UV exposure, and dries quickly, ensuring your terrace or balcony is protected in no time.

STARFLEX HR-M
Starflex HR-M is a self-leveling polyurea-based waterproofing system that is ideal for exposed terraces and balconies with heavy foot traffic or exposed to mechanical stress. Its excellent crack-bridging properties, combined with its superior weather resistance.

STARFLEX HYBRID
Unique in its category: it can be applied on damp or wet substrates without primer. It works in every season, ensuring continuity, elasticity, and watertight performance even in the presence of standing water. The ideal solution when the job site can’t stop.

STARFLEX ONE
The universal, super-elastic waterproofing solution that requires no primer.
Single-component, water-based membrane ideal for quick interventions on terraces and deteriorated surfaces. UV-resistant, highly adhesive on multiple substrates, and able to maintain elasticity even at low temperatures.

STARFLEX C
The elastic cement-based solution for under-tile terraces.
Two-component mortar that creates a continuous waterproof barrier, elastic and resistant even at low temperatures. Perfect as a base for new pavements and for terraces subject to movement or micro-cracks.

MPM combines functionality and aesthetics, taking care of every project from start to finish. We offer a winning combination of primers, waterproofing solutions, and decorative finishes that strengthen protection and enhance the visual appeal of surfaces. Whether it’s concrete, tiles, or other materials, our products ensure effective, customizable coverage.

Why choose MPM for balcony and terrace waterproofing?

MPM: premium balcony and terrace waterproofing solutions

MPM’s Starflex line has set the standard for liquid waterproofing systems, providing reliable and high-performing solutions for various applications, including balconies, terraces, foundations, and more. With years of experience in the industry, MPM’s Starflex Made in Italy solutions are trusted by architects, contractors, and building professionals worldwide.

Whether it’s a residential terrace, a commercial balcony, or an industrial roofing project, Starflex ensures seamless, long-lasting protection with proven durability up to 30 years.

Why balcony and terrace waterproofing matters

Many balcony and terrace areas sit directly above living spaces — extensions, kitchens, bedrooms, or upper-floor apartments. These exposed surfaces face constant rain, temperature changes, and structural movement. Without the right balcony waterproofing solutions, water infiltrates quickly, damaging both the outdoor surface and the rooms below.

Despite being a critical step in construction, waterproofing is often underestimated. Studies show that balcony failures represent one of the most common building defects, even though only a small portion of the overall construction budget is dedicated to waterproofing. This gap leads to recurring issues, costly repairs, and compromised structural safety.

Premium terrace waterproofing products deliver a continuous, seamless membrane that blocks moisture and protects the slab beneath.

Using chemical waterproofing for terrace applications, especially liquid-applied membranes, ensures excellent penetration, strong bonding, and long-term resistance. These products are ideal where tiles, old coatings, or complex geometries make traditional waterproofing difficult.

For high-performance results, professionals rely on:

• Liquid membranes applied above or below the screed
• Flexible sealants around balustrades and penetrations
• UV-resistant finishing layers
• Drainage designs that prevent standing water

Together, these elements create a robust barrier that keeps the structure fully protected.

Waterproofing: the right sequence, every time

Successful balcony waterproofing requires disciplined planning:

1. Complete all penetrative and structural work before sealing.
2. Select membranes and sealants compatible with both the substrate and the balustrade materials.
3. Protect every fixing point with additional sealing.
4. Ensure efficient drainage to prevent standing water.
5. Apply high-quality waterproofing solutions for terrace and balcony surfaces with precision.

Starting correctly means fewer failures, fewer repairs, and lasting protection.

Choose the waterproofing system that delivers real, long-lasting protection. Request a tailored consultation with our specialists and get the right solution for your project.

Contact MPM for expert balcony and terrace waterproofing

Ready to protect your outdoor spaces with the best waterproofing products available? Contact MPM today to learn more about our Starflex balcony and terrace waterproofing solutions.

Our team is here to provide you with tailored recommendations and ensure your waterproofing project is completed to the highest standards.