THICC AF ROOFERS Clear Construction Sealant, 100% RTV Silicone

THICC AF ROOFERS Clear Structural Adhesive is a one-part, non-slump, moisture cure sealant/adhesive that cures to form a tough rubber with long-term  exibility and durability. Due to the formulation, THICC AF ROOFERS Clear offers advanced adhesion to a variety of surfaces including porous substrates, vinyl, some plastics, fiberglass, metals, woods and more. THICC AF ROOFERS Clear emits a low odor which makes it ideal for confined work spaces or occupied areas. It is extremely resistant to UV degradation, yellowing, temperature extremes and most chemicals. It is a 100% RTV Silicone and will remain easy to dispense and tool even at cold temperatures. THICC AF ROOFERS Clear has excellent physical properties and will continue to perform long-term in a variety of applications.

Applications & Uses

THICC AF ROOFERS Clear is an excellent sealant/adhesive for many Commercial, Industrial and Construction applications. Such applications include:

  • Walk-In Freezer Manufacturing & Installation
  • RV & Trailer Manufacturing
  • Vinyl, Metal & Aluminum Siding & Roofing
  • Fiberglass Waterproof Sealing
  • Industrial Manufacturing Applications
  • Concrete Joint Sealant
  • HVAC Applications
  • Glass Glazing
  • Glass Block Installation
  • Sheet Metal Work & Sealing
  • Marine Applications
  • General Sealing & Bonding Applications
  • Can be used on additional substrates not listed.
  • Can be used for additional applications not listed. National Adhesive recommends testing prior to use.


  • Non-Corrosive
  • Advanced Adhesion Properties
  • Low Odor
  • Resistant to UV Degradation and Weathering
  • Resists Extreme Temperatures & Chemicals
  • One-Component, Easy To Use Formulation
  • 25% Joint Movement Capability
  • Mildew Resistant
  • Easy to Extrude At Cold Temperatures
  • Non-Slump, Can Use On Overhead & Vertical Applications
  • Excellent For Indoor & Outdoor Applications
  • Creates a Waterproof Seal

Size: 10.2 oz.


Clear             33THAF1042

Safety Data Sheet - SDS - Roofers-Clear
Safety Data Sheet (SDS)

Technical Data Sheet - TDS - AF Roofers Clear
Technical Data Sheet (TDS)