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 ApplicationSiMP-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 HMLEED 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)