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Mariseal 420 Top Coat

Mariseal 420 Top Coat
€0.00 Inc. VAT :  CALL

Product Code:  mariseal4201kg
Brand:  Maris by Saint-Gobain

The MARISEAL 420 is a pigmented, wear resistant, semi-rigid, color- and UV-stable, weather-stable, cold applied and cold curing, one component aliphatic polyurethane coating used as a top-coat for protection over exposed waterproofing coatings, subject to high wear conditions.
Cures by reaction with ground and air moisture over a unique moisture triggered chemical reaction.


• Simple application (roller or airless spray).
• One component.
• Resistant to constant, heavy abrasion and wear conditions.
• Color stable.
• UV stable
• Gives a glossy and easy-to-clean surface.
• Provides high sun reflectivity, contributing to thermoinsulation.
• Does not show the chalking effect of aromatic polyurethane waterproofing coatings.
• Resistant to water.
• Resistant to frost.
• Maintains its mechanical properties over a temperature span of -40oC to +90oC.
• The waterproofed surface can be walked on (public pedestrian traffic).


• Waterproofing of Decks and Walkways
• Waterproofing of public Pedestrian Traffic Areas
• Waterproofing of Exposed Car Parking areas
• Waterproofing of surfaces exposed to heavy wear conditions.

Used over the MARISEAL 250 or 260, on surfaces with public pedestrian trafficking (e.g. Stadium tribunes) and on surfaces with light car traffic (e.g. Exposed car parking areas)


Products ordered from our online store are delivered from Monday - Friday each week, except for Bank Holidays. We aim to have all orders that leave our store delivered to you within 2 working days. Please note that some products may have specific lead times, which may affect the time it takes to receive your order.

We offer nationwide delivery anywhere in Ireland.


Small shipments

Parcel (Max 20kg):


Delivery Weight Nationwide Rates
Up to 20kg €9.00


Large shipments (pallets):


  Pallet Weight Nationwide Rates
Quarter Pallet (Max 250kg) €40.00
Half Pallet (Max 500kg) €45.00
Full Pallet (Max 1000kg) €50.00
2 x Full Pallets (Max 2000kg) €96.00
3 x Full Pallets (Max 3000kg) €138.00
4x Full Pallets (Max 4000kg) €176.00

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Roof N Stop Ltd.


    Order online or call our Sales Team:
01 621 5677