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Concrete facade weathersealing with sealant

The definition of weathersealing is sealing exterior façade joints against the influence of weathering such as UV, rainwater, driving rain etc. and against the influences of various other factors such as chemical and mechanical loads that eventually may cause damage. The key factors that façade weatersealant needs to cope with are protection from weathering, compensation of façade element movements and aesthetic appearance.

Watch the video from PENOSIL Official YouTube.

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Installing backer material



Installing backer material

Premium Backer Rod PE round backer rod for joint filling

  • Highly flexible and compressible for an easy installation. Ensures proper sealant size and shape in the joint.
  • Closed cell structure does not allow the absorption of moisture or air.
  • Compatible with polyurethane, hybrid, silicone and most other cold sealants.


Premium Facade Joint Hybrid 25LM facade sealant

  • Completely weatherproof to protect the structure from UV radiation, rain/snow and wind.
  • High movement capability to compensate deformations in the joint, without losing its elasticity or adhesion.
  • Clean and smooth elastic joint that gives esthetic finishing. Overpaintable with water-based paints.

EN 15651-1 F-EXT-INT-CC Class:25LM

An alternative product is PENOSIL Premium PU Sealant Low Modulus