SIKAFLEX CONSTRUCTION PURFORM

Elastic jointing mastic based on polyurethane, monocomponent, ready to use, which cures to an elastic mastic under the influence of air humidity.

Product

Sikaflex® Construction Purform® is a one-component, non-sagging, elastic polyurethane joint sealant. Thanks to its versatile application properties and high movement capacity, it durably seals movement and connection joints in concrete and masonry facades.

 

Application examples

The product is used for elastic sealing of joints and weatherproofing of movement and connection joints in facades.

Sikaflex® Construction Purform® is used in the following applications:

?              Around window and door frames

?              Around façade elements

?              Around prefabricated elements

?              EIFS facades

Sikaflex® Construction Purform® is used in interior and exterior applications.

 

Properties/advantages

  • Easy to apply and work with
  • High movement capacity: ±25% (ISO 9047), ±50% (ASTM C719)
  • Low stress on the substrate due to the low modulus of the sealant
  • Good resistance to weathering
  • Good mechanical resistance
  • Good adhesion to many building materials
  • Monomeric diisocyanate content < 0.1%: no special training required for the user (REACH restriction 2023, Annex XVII entry 74)