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Liquid applied waterproofing pu maris polymers | Mariflex PU-40

Mariflex PU-40

The MARIFLEX® PU 40 is a thixotropic, permanent elastic, cold applied and cold curing, one component, low modulus polyurethane elastomer (mastic) used for chalking and joint sealing. Cures by reaction with ground and air moisture.

The MARIFLEX® PU 40 is used for:

  • Joint sealing of control joints.
  • Crack filling mastic.
  • Adhesive between various construction materials


  • Simple application
  • UV and weathering resistant
  • Resistant to constant movement
  • Resistant to water, heat and frost
  • Maintain its mechanical properties over a temperature span of -30oC to +90oC
  • Provides excellent adhesion to most construction materials
  • Resistant to detergents, oils, fuels and seawater

Call us on 01202 785200