MARISEAL® 420 - Aliphatic Polyurethane Top Coat
Verified by manufacturer 11 months ago
EPD
Certificate type
ISO 9001 Quality Management
Certificate type
Pigmented, wear-resistant, semi-rigid colour- and UV-stable, weather stable, cold-applied and cold curing polyurethane coating used as a top coat for protection over exposed waterproofing coating.
Application
Top coat waterproofing membrane for use on:
- Waterproofing of exposed car parking areas;
- Waterproofing of public pedestrian traffic areas.
- Waterproofing of surfaces exposed to heavy wear conditions.
Used over MARISEAL® 250, on surfaces exposed to heavy wear conditions
Description
Pigmented, wear-resistant, semi-rigid colour- and UV-stable, weather stable, cold-applied and cold curing polyurethane coating used as a top coat for protection over exposed waterproofing coating, subject to high wear conditions.
Features and benefits:
- One component, solvent-based.
- Cures by reaction with ground and air moisture over an exclusive moisture-triggered chemical reaction.
- Simple application (roller or airless spray).
- Resistant to constant, heavy abrasion.
- Gives a glossy and easy-to-clean surface.
- No chalking effect.
- Resistant to stagnating water, heat and frost.
- Maintains its mechanical properties over a temperature span of -40 to +90°C.
- EPD verified.
- Resistant to heavy traffic (vehicular and pedestrian).
General information
Color | White Grey Guidance for specification option: Light grey. Clear Silver Other Guidance for specification option: Bespoke. |
Finish | Gloss |
Material | Polyurethane (PUR) Guidance for specification option: Solvent based. Solvent-based |
Shape | Formless |
Uniclass | |
CAWS | J31/47 Waterproof coating J31/353 Waterproof coating |
Specification data - Ultraviolet (UV)-resistant sealers
Category | As recommended by liquid-applied coating manufacturer. |
Colour | White.Light greySilver grey.Transparent.Other.Guidance for specification option: Consult manufacturer for options and insert requirements. |
Coverage | 0.4–0.6 kg/m² in two layers. Guidance for specification option: Based on practical application by roller onto a smooth surface in optimum conditions. |
Elongation at break | To ASTM D412, 150%. |
Tensile strength | To ASTM D412, >20 N/mm². |
Shore A hardness | To ASTN D2240 (15"), 85–90. |
Service temperature | -40 to +90°C. |
Final curing time | Seven days (at 20°C, 50% relative humidity). |
Performance characteristics | Resistance to water pressure, to DIN EN 1928: No leak. Guidance for specification option: Time results based on conditions of 20°C and 50% relative humidity (RH). |
Sustainability data
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | Manufacturer guidanceTest |
Third party certifications
Third party certifications
Literature
build-ups-Exposed-Car-Parks
Maris brochure
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