​​​​MasterSeal waterproofing and sealants

How does MasterSeal work?

The MasterSeal portfolio of hand and spray-applied waterproofing products are formulated to stop water leakages and moisture ingression in a variety of new and existing structures. Our versatile, market leading and innovative technologies are suitable for waterproofing all types of constructions including car parks, traffic decks, industrial sites, water management facilities for potable water and wastewater, pipes and belowground structures.

What makes MasterSeal a unique solution for customers?

Local construction expertise coupled with over 100 years of product manufacturing knowledge have led to countless high profile construction and waterproofing successes worldwide. Our global network of experts provides owners, investors, specifiers and applicators with the technical solutions necessary to complete challenging projects.

In demanding applications such as those on parking decks, bridges and stadiums, where structures are constantly exposed to the elements and subject to abrasive conditions, our high-performance waterproofing traffic membranes deliver outstanding durability and long life cycles.

The construction industry benefits from our detailed knowledge of the corrosive environment in wastewater facilities, coupled with over a century of concrete repair and protection knowledge. This positions BASF to be the leader in water management solutions worldwide. Our superior technologies are strenuously tested to ensure adherence to local standards and high performance under local environmental conditions.

Watertight one-stop solutions for all structures

Our tailored product combinations comprise the fastest and easiest to install technologies available. We create a complete system solution approach, resulting in the most cost-effective and time-efficient waterproofing solution for each individual project.

Expert consultation and product compatibility between waterproofing and repair systems are essential to a successful project.

  • Traffic & Trafficable
  • Water & Watermanagement
  • Below Ground Sy​stems

MasterSeal Products

Cementitious Waterproofing

MasterSeal 599 (Formerly Thoroseal FX 122)

Elastomeric, cement-based waterproof coating for concrete and masonry

MasterSeal 501 (Formerly MasterSeal 501M)

A surface applied, capillary waterproofing coating for concrete and mortar

MasterSeal 521

Polymer modified cementitious, durable, waterproof coating

MasterSeal 541

Acrylic reinforced, cementitious, flexible waterproof coating

MasterSeal 550 (Formerly MasterSeal 550M)

Acrylic reinforced, cement-based, flexible waterproof coating
Cold Liquid Applied Waterproofing

MasterSeal 622 (Formerly Masterseal 422)

Bitumen/rubber latex emulsion – surface applied, flexible, damp and vapour-proof liquid membrane

MasterSeal 681 (Formerly MasterSeal 481)

High solids, protective coating based on emulsified bitumen

MasterSeal 915

High strength, free-flowing epoxy grout
Joint Waterproofing and Ancillaries

MasterSeal 910 (Formerly Masterflex 610)

Water swelling waterbar for joints

MasterSeal 920 (Formerly Masterseal Support Strip)

Cellular, preformed, low-density joint filler

MasterSeal 930 (Formerly Masterflex 3000)

Sealing tape for irregular and unconventional joints

MasterSeal 940 (Formerly Masterflex Waterbars)

Flexible PVC Waterstops

MasterSeal 940 W4 (Formerly Masterflex W4)

PVC Waterstop for Compartmentalisation

MasterSeal P 101 (Formerly MASTERFLEX PRIMER NO. 1)

Primers for use with masterSeal series sealants

MasterSeal NP 1 (Formerly Sonolastic NP 1)

One-component, elastomeric, gun-grade polyurethane sealant

MasterSeal NP 2 (Formerly Sonolastic NP 2)

Multi-component high performance polyurethane sealant

MasterSeal NP 472 (Formerly MASTERFLEX 472)

One part polyurethane based elastomeric joint sealant

MasterSeal 475

MasterSeal 7000 CR

The best solution for extreme wastewater challenges

MasterSeal GG 470

High performance, elastomeric joint sealant, (Gun Grade)

MasterSeal M 266

MasterSeal Traffic 1330

MasterSeal Traffic 1332

MasterSeal 345

MasterSeal 588


Brochure - Solutions for the pre-cast industry: MasterSeal

pdf (523,58 Kb)

Brochure MasterSeal Roof Waterproofing

pdf (958,25 Kb)

Brochure MasterSeal Solutions for structure waterproofing

pdf (694,75 Kb)

MasterSeal 501 TDS

pdf (292,97 Kb)

MasterSeal 700 BT TDS

pdf (279,24 Kb)