SEALGUARD VFI®-993 Silicone Flashing Grade

SEALGUARD VFI®-993 Silicone Flashing Grade is a high solids, 100% silicone, trowel applied flashing grade that allows for high builds in a single coat. SEALGUARD VFI-993 provides UV stability in a single component package that will cure in up to half inch thicknesses without foaming at room temperature (RTV). SEALGUARD VFI-993 has excellent flexibility and no migration of plasticizers or oils that inhibit adhesion. This flashing grade is a moisture cure specifically engineered for breathability, adhesion and is resistant to oxidation and high temperatures.

High solids silicone flashing grade that allows for high builds in areas that require a leak proof seal.

Features & Benefits

  • High Solids, 100% Silicone Elastomeric Mastic
  • High Build Cures up to ½ inch with a Single Coat
  • Superior Flexibility, Build Up, and Adhesion
  • Resistant to Oxidation and High Temperatures
  • Lower VOC Compliant Content Measuring <50 g/L
  • Exceptional Durability from a Trusted Manufacturer
  • Formulated for Use Over: Metal, Mod/Bit, BUR, Single-Ply, Concrete, Spray Foam

Application Methods:

  • Chip Brush
  • Brush
  • Trowel

Available Packaging:

  • 5 Gallon
  • 2 Gallon
  • 1 Gallon

Physical Properties

  • Tensile Strength: 135 psi
  • Elongation: 300%
  • Tear Strength: 20 pli
  • Flexibility @ 15°F Mandrel (Pass/Fail): Pass
  • Reflectance: 85
  • Accelerated Weatherability @1000hr: Pass
  • Fungi Resistance: Pass
  • Firm Set and Resistance to Water: Pass
  • Tensile Strength: 200 psi

Liquid Properties

  • Solids by Weight: 96.00%
  • Solids by Volume: 96.00%
  • Liquid Density: 10.0 lbs/gal
  • Specific Gravity: 1.20 g/ml
  • Viscosity: >50000 cps
  • VOC: 46g/L

Material Calculator


  • Miami Dade
  • FHBA

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