KOSTER American Corporation Datasheets for Sealers and Seal Coatings

Sealers and seal coatings are used to seal surfaces or to form a barrier on a surface. They differ from sealants, which are used to seal joints or gaps between surfaces.
Sealers and Seal Coatings: Learn more

Product Name Notes
A multi purpose waterproofing product with excellent adhesion to dry and moist substrates. KOSTER 21 is a 2 component, solvent-free, liquid applied, elastic and crack bridging material. It is liquid...
Fast curing cementitious sealing slurry with excellent resistance to aggressive ground water and high water pressure. Used in combination with KOSTER KD 2 Blitz Powder and KOSTER KD 3 Sealer...
Fast setting, expandable plug and repair mortar. An intensive contact between existing substrate and the mortar is achieved. It is suited to plug active water leaks.
Hot-applied, highly elastic rubber-bitumen sealing compound for waterproofing against pressurized water up to 50 bar. It can also be used as a hot-applied joint grout. Ductility up to 2000 %.
KD-2 Blitz Powder is a highly reactive powder with an extremely short setting time. Active water leaks are stopped within a few seconds with the dry powder. Used in combination...
KD-3 Sealer is a water/silicate-based liquid. The active ingredients penetrate deeply into the substrate and forms compounds that are not water soluble. Therefore the pores are sealed and permanently waterproofed..
KOSTER BD 50 is a ready-for-use, solvent-free and easy to spread sealing compound for waterproofing surfaces under tile and/or floor coverings in damp and wet rooms. Once applied to the...
KOSTER Elastic Roof is an elastic, crack bridging, and solvent-free waterproofing material for dry and slightly damp substrates. It is free of VOC's (Volatile Organic Compounds), free of Polyurethanes, and...
KOSTER EM-VS is a universally applicable, water based, scratch-resistant epoxy resin sealant with very high covering power. It bonds very well to all cementitious substrates. It is resistant to medium...
KOSTER KB-Flex® 200 is a permanently elastic waterproofing compound for sealing tubular pipe penetrations, cavities, etc., against moisture or pressurized water. It remains permanently pliable and adheres very well to...
NB 1 "Fast" is a fast setting, deep crystallizing, cementitious coating for waterproofing cementitious substrates. It is resistant to pressurized water and may be used for positive or negative-side waterproofing...
NB 1 Grey is a watertight, cementitious waterproofing compound with crystallizing agents. Sealing with KOSTER NB 1 Grey provides excellent pressure and abrasion resistance. Used for waterproofing new or old...
NB 2 White is a cementitious coating use to waterproof cementitious substrates and is resistant to water under pressure. Waterproofing coatings made of NB 2 possess a high pressure and...
Single component, solvent-free, stable, elastic, polymer modified bitumen thick film sealant with polystyrene light fillers. Suitable for spray application. Resistant against pressurized water, bridges cracks up to 5 mm. For...
Solvent-free, crack-bridging, stable, two-component, polymer modified bitumen thick film sealant with polystyrene light fillers in accordance with DIN 18 195. Approved by the building authorities. For waterproofing construction members in...
Solvent-free, highly elastic bitumen / rubber based sealing compound. For high quality external waterproofing of construction members in ground contact, such as basements. Also suitable for waterproofing under protective screed...
Two-component, compression-resistan t, elastic, fibrated, polymer modified bitumen thick film sealant for the secure waterproofing of buildings in accordance with DIN 18 195, such as basements. Specially designed for spray...
Two-component, compression-resistan t, elastic, polymer modified, fibrated bitumen thick film sealant for the secure waterproofing of buildings in accordance with DIN 18 195, such as basements. Resistant to pressurized water,...