Adhesives
Construction Sealants and Adhesives
Facades and External Applications
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Glazing and Windows
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SiMP-Seal 25 HM

One-part SiMP high modulus construction sealant

SiMP-Seal 25 HM is a one-component, gun-grade, non-sag SiMP – Silyl Modified Polymer high modulus construction sealant. It cures under the influence of atmospheric moisture to form a high-performance compound with permanent elasticity and high resistance to ageing and weathering. Solvent- and isocyanate-free. Areas of Application SiMP-Seal 25 HM is a high quality and versatile construction sealant for expansion and construction joints in vertical and horizontal applications, sealing and bonding between different materials, external walling and cladding joints. Suitable for metal roof and gutter sealing, bridge and balcony parapets, weatherproofing of joints between brickwork, blockwork, masonry, wood, concrete, metal, window or door frames. Certified according to: EN 15651-1/3/4 TYPE F INT-EXT/ XS3/ PW EXT-INT CC Compliant to: ISO 11600 Type F Class 20 sub-class HM LEED iEQc 4.1; SCAQMD Rule 1168; BAAQMD Reg 8 Rule 51
  • Environmentally friendly – Free of isocyanates and solvents
  • No hazard symbol required
  • No bubble formation - Odorless
  • Bonds and seals at the same time
  • Permanently elastic; accommodates joint movement of ±20%
  • Easy to gun with excellent tooling consistency
  • Exceptional thixotropy, non-sagging, short cut off string
  • Excellent primerless adhesion on all typical construction and industrial materials
  • Non-staining on concrete and porous materials
  • Excellent resistance to ageing, weathering; color stable and non-yellowing
  • Over-paintable with many water and solvent based paints (preliminary tests recommended)

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