NuFlex 309 Metal & Vinyl Silicone Sealant 300ml

$10.32 CAD
SKU: 0106120


NuFlex® 309 Metal & Vinyl Silicone Sealant is a one-part, low modulus, non-corrosive moisture curing 100% silicone sealant.

NuFlex® 309 has superior adhesion to most construction materials without the need for a primer. It cures to form a flexible, watertight bond to almost any substrate.


  • Neutral cure
  • 100% Silicone
  • NuFlex 309 has achieved GREENGUARD GOLD Certification
  • Water-resistant before, during, and after cure
  • RTV (Room Temperature Vulcanization)
  • Excellent adhesion to both porous and non-porous substrates
  • 50-year durability
  • Low odour
  • Non-sag / non-slumping

Bonds to:

  • Galvanized steel
  • Aluminium
  • Steel
  • Vinyl
  • Most plastics
  • Masonry, stone, & concrete
  • Ceramics
  • PVC

Basic uses include:

  • Exterior weatherproofing
  • Sealing construction joints
  • Sealing metal and vinyl siding

Other uses include:

  • Bonding curtain wall joints (non-rated construction)
  • Mullion joints
  • OEM manufacturing

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