(Mulco) Butyl is an economical rubber-based sealant for exterior use. This glazing sealant stays flexible at -30° C.

  • Used to seal outdoor joints between two perpendicular surfaces subject to thermal movements. For sealing joints around door and window frames and sidings.
  • Good adhesion on many surfaces such as natural, painted or anodised aluminum, painted or stained wood, concrete or masonry.
  • Can be applied on vertical, horizontal or overhanging surfaces without subsiding or sagging.

Available Colours
Available in White, Aluminum and Black

Available Sizes


Product Data Sheet
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