Exterior waterproofing solutions
MPM develops exterior waterproofing solutions designed to perform in every condition, from scorching sun to heavy rain, from freezing cold to humid environments.
Our liquid waterproofing membranes provide continuous, joint-free protection for exterior surfaces such as roofs, terraces and walls.
Explore our waterproofing systems
Below you’ll find our most advanced systems for exterior waterproofing. Each solution is engineered to face specific challenges, from high UV exposure to moisture and temperature extremes.
STARFLEX C
Two-component elastic cementitious membrane.

- Ideal for balconies, terraces, foundations, and pools
- Excellent flexibility and adhesion
- Resistant to UV and temperature variations
STARFLEX ONE
Bituminous water-based elastic membrane.

- Ideal for roof repair and restoration
- Applicable on damp substrates
- Strong UV resistance and weather durability
STARFLEX HR-M
Self-levelling, two-component polyurea membrane.

- Fast curing
- Excellent crack-bridging and long-term elasticity
STARFLEX H-ZERO
Solvent-based polyurethane membrane – ADR free.

- No ADR / IMO classification for safe transport and use
- Exceptional mechanical resistance
- Excellent UV stability
STARFLEX ULTRA
Exterior liquid waterproofing membrane based on advanced polyurethane-polyurea technology.

- Single-component, easy to apply
- “Wet-on-wet” application
- UV and weather resistant
- Fire-rated B ROOF (t4)
STARFLEX HYBRID
All-weather hybrid polymer membrane.

- Can be applied on wet or damp substrates
- No primer required
- Rapid curing even at low temperatures
- Outstanding elasticity and adhesion
STARFLEX MONO
Elastic polyurethane exterior liquid waterproofing membrane.

- Continuous waterproofing on new or existing surfaces
- High crack-bridging capacity
- Excellent adhesion to concrete, PVC, tiles, and metals
Explore our STARFLEX range and discover why professionals choose MPM for exterior waterproofing solutions that go beyond expectations.
Application fields
Why choose MPM exterior wall waterproofing solutions
Water infiltration can compromise structures, reduce thermal efficiency, and cause long-term damage.
MPM’s exterior wall waterproofing solutions and liquid waterproofing membranes are developed to create a seamless, elastic, and long-lasting barrier, ensuring reliable protection in every condition.
Our formulations combine polyurethane, polyurea, and cementitious technologies to provide maximum adaptability, whether you need to waterproof a flat roof, a terrace under tile, or an external wall exposed to harsh weather.
Superior chemistry, engineered in Italy
Every MPM membrane is the result of over 70 years of research and chemical expertise.
Produced entirely in Italy, MPM systems are certified, sustainable, and globally trusted by industrial, commercial, and civil engineering professionals.
Our R&D laboratories constantly develop new technologies to meet the most demanding international standards (ETAG 005, CE 1504, CAM, BBA, Broof T4).
When you choose MPM, you choose:
- Proven durability up to 30 years
- Certified chemical and UV resistance
- VOC-compliant and eco-friendly systems
- Complete technical support and on-site assistance
Get expert advice for your next project: contact our team and discover the ideal MPM waterproofing system for your application.
Our certifications









Exterior liquid waterproofing membranes by MPM: built for performance
An exterior liquid waterproofing membrane must withstand every element: water, heat, frost, and UV radiation.
MPM membranes form a continuous and flexible coating, adapting to any geometry — from vertical walls to curved roofs — without joints or weak points. Each system ensures maximum performance for both new constructions and renovations, making MPM the benchmark for professional waterproofing.
No joints, no leaks
Bridges cracks and absorbs movement
Reduces downtime and labor costs
Applicable on bituminous layers, concrete, metal, PVC, or tiles
Improves interior comfort and energy efficiency
Resists sun, hail, rain, and temperature shocks
Tailored exterior wall waterproofing solutions
Whether you’re protecting a roof deck, a parking structure, or an exposed wall, MPM offers custom systems designed to meet specific site requirements.
Our technical team provides project-specific advice, from substrate preparation to product selection and application guidelines.
Common applications include:
- Flat and pitched roofs
- Terraces and balconies (exposed or under tile)
- Foundations and retaining walls
- Facades and vertical walls
- Walkways and parking decks
With our modular system approach, every layer works in perfect synergy to ensure long-term waterproofing and mechanical protection.
MPM: Challenge every element. Win every condition.
From polymer chemistry to on-site support, MPM stands beside engineers, contractors, and applicators worldwide. We deliver not just products, but certified waterproofing systems that transform protection into performance.
Contact us for support and offers
MIXER SRL – mpm division
Via Adda 15, 20090 Opera (MI) – Italy
Email: info@mpmsrl.com
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Ph. +39 02 57609116 – +39 02 57601225
Fax +39 02 57603410
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