Joint Sealants

Our polyurethane sealing solutions

ALCHIMICA is a leading producer of both one and two component HYPERSEAL® polyurethane sealants.

Our sealants combine the technology of polyurethane and silylated polyurethanes. The result is a universal sealant that combines the excellent mechanical properties of a polyurethane sealant with the excellent universal adhesion, ease of application and non-toxicity of silylated polyurethanes.

ALCHIMICA’s range of sealants includes:

  • One-component low modulus gunnable sealants for construction and expansion joints.
  • One-component high modulus and fast curing gunnable sealants for flooring joints.
  • Two component pourable sealants suitable and highly recommended for sealing joints in pavements and airport aprons and runways.


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