MARISEAL 270 | Liquid-applied polyurethane waterproofing membrane

The MARISEAL 270 is a solvent-based, one-component polyurethane membrane designed for long-lasting waterproofing. Here are the key details about its composition, advantages, technical data, application instructions, and safety measures:

Product Description & Advantages

Composition: Pure elastomeric hydrophobic polyurethane resins for excellent mechanical, chemical, thermal, and natural element resistance.
Features:
- Cold applied and curing.
- Forms a seamless membrane without joints.
- Resistant to water, frost, detergents, oils, seawater, and domestic chemicals.
- Provides crack-bridging capabilities.
- Allows water vapor permeability for breathability.
- Maintains mechanical properties in extreme temperature ranges (-30oC to +90oC).
- Provides excellent adhesion to various surfaces.
- Can withstand pedestrian traffic.
- Over 15 years of positive feedback worldwide.

Uses & Consumption

Applications: Under-tile waterproofing in bathrooms, kitchens, balconies, auxiliary rooms, etc.
Consumption: 1.2-1.5 kg/m² in two or three layers. Consumption varies based on surface porosity, temperature, and application method.

Colors & Technical Data

Colors: Available in white, grey, and black. Other colors available on demand.
Physical Properties: Elongation at Break, Tensile Strength, Water Vapor Permeability, Resistance to Water Pressure, Adhesion, Hardness, Thermal Resistance, Hydrolysis, Service Temperature, Tack Free Time, Chemical Properties.

Application Instructions

Surface Preparation: Emphasis on clean, dry, sound surfaces free from contamination, with maximum moisture content not exceeding 5%. Details on surface irregularities, removal of old coatings, and substrate strength requirements.
Crack & Joint Repair: Detailed steps for sealing existing cracks and expansion/control joints before application, involving priming, filling cracks, and using MARISEAL FABRIC for reinforcement.
Priming & Waterproofing: Instructions on priming different surfaces and applying the membrane in layers, reinforcing with fabric in critical areas.
Finishing for Tile Application: Guidance on applying a final layer for tile adhesion and creating an adhesion bridge.

Packaging, Storage & Safety Measures

Packaging: Available in different pail sizes and barrels. Storage guidelines for maintaining product integrity.
Safety Measures: Caution about isocyanates present in the product and urging users to study the Safety Data Sheet. Highlighted as for professional use only.

The MARISEAL 270 product description highlights its composition, advantages, usage, technical specifications, detailed application procedures, storage recommendations, and safety measures. It emphasizes the importance of surface preparation for optimal waterproofing results and safety considerations regarding product usage.