Isomat Isomastic-A Caulk White


Isomastic-A Caulk White 280ml/600ml 

Elastoplastic acrylic sealant

single-component elastoplastic sealant without solvents based on acrylic resins,


  • Resistance to temperature fluctuations from -20οC to +70οC.
  • Excellent bonding to a wide range of constructing materials.
  • Painting ability after hardening.
  • Frost-resistance.

Fields of application

ISOMASTIC-A is suitable for sealing horizontal or vertical joints, at indoor or outdoor areas, on substrates like concrete, plaster, masonry, wood, stone etc. Also, used for sealing hairline cracks on plaster and joints between wooden or metallic frames and walls, sills etc. It is not affected by frost and it is appropriate for dimensional deformation of up to 8%. It should not be used in regularly walkable joints or joints permanently immersed in water (water-tanks or reservoirs) or on bituminous substrates.

Technical data:

Basis: acrylic polymers

Colours: white

Skin formation: after 10-15 min

Hardening time: 8-10 days for 5mm

TDS Data Sheet

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