Product Detail


An ultra-low VOC structural silicone sealant for weather sealing and beading in caulking and glazing applications.








Spectrem® 2 is a medium modulus, high performance , one part product - no mixing needed. It is available in 300ml cartridges and 600ml sausages. Available in black only.

Reacts with atmospheric moisture to fast cure to a neutral, flexible rubber silicone which is stable in UV and extremes of temperature.

Adheres to mortar, glass, aluminium in non traffic areas. Not appropriate for areas with sensitive substrates (i.e. marble) or substrates that will be painted. Also, avoid contact with strong oxidizing agents. Certain metal finishes and some types of masonry and concrete may require use of Tremco Primer no. 10.


  • Weather seal
  • Toe beads
  • Cap beads
  • Tensile bead in two and four sided structural glazing. NOTE: all structural glazing applications must be approved by Tremco Technical Service.

Information last verified 17th February 2011

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