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Accelerator

Accelerator is a modified siliconized acrylic caulk with unmatched paintability. Spray paint immediately, brush or roll in 30 minutes. Designed to prevent paint film cracking. Interior/exterior, soap and water cleanup.

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The ACCELERATOR is a modified acrylic based sealant that offers unmatched paintability. The ACCELERATOR allows you to spray paint immediately or brush/roll in only 30 minutes and is designed to prevent paint film cracking. Can be used on a wide variety of interior / exterior surfaces, delivering good adhesion and durability. The ACCELERATOR forms a flexible, durable, airtight, water resistant seal. Once cured the bead is mildew resistant. It is low odor, easy to apply and is soap and water cleanup.

  • 1:
    Exceeds ASTM C-834, Type OP, Grade -18°C
  • 2:
    Up to 1/2” in properly designed joints
  • 3:
    Spray Paint Immediately
  • 4:
    Brush or roll in 30 Minutes
  • 5:
    Durable Air Tight Water Resistant Seal
  • 6:
    Cured Mildew Resistant Bead
  • 7:
    Interior / Exterior
  • 8:
    Vacuum Filled Tubes
  • 9:
    50-year guarantee
  • Windows
  • Mouldings
  • Trim
  • Doors
  • Crown Moulding
  • Siding
  • Base Board
  • Masonry
  • Ceramic Tile
  • Wood
  • Concrete
  • Brick
  • Metal

Surfaces to be caulked must be dry and free of all dirt, dust, oil, mildew, loose paint, old caulk or other contaminates. Only apply when sealant, surface, and air temperature are above 40ºF and rising. Do not apply on surfaces that exceed 140ºF, or when rain is expected.

  1. Cut nozzle at a 45º angle. Cured bead should be between 1/8” and 1/2” wide. Use a foam backer rod for joints that exceed 1/2” in depth.
  2. Smooth bead with a moistened cloth.
  3. Clean up uncured material and tools with soap and water.
  4. Can be spray painted immediately. Allow 30 minutes before brushing or rolling.

Coverage: 55 linear feet for a 3/16” bead.

NOT INTENDED FOR AREAS THAT WILL BE SUBMERGED IN WATER. KEEP FROM FREEZING. NOT FOR FOOD CONTACT SURFACES.

Immediately after use, clean uncured material and tools with soap and water. Remove cured sealant by cutting
with a sharp-edged tool.

  • Vehicle: 100% Modified Acrylic Emulsion Polymer
  • VOC: Non-chemically curing sealant. VOC (less exempt solvents) is <1.5%
  • Pigment: Calcium Carbonate
  • Solids: Approximately 87%
  • Weight per Gallon: 14.0 ± 0.5
  • Specific Gravity: Approximately 1.7
  • Service Temp: -25ºF to 180ºF
  • Temp Application Range: 40ºF and rising. Air temp no hotter than 95º and substrate not hotter than 140º
  • Freeze Thaw Stability: Passes 5 Cycles@ 0ºF (1 cycle = 16hrs. @ 0ºF, 8hrs at 75ºF)
  • Flash Point: None
  • Consistency: 15 to 25 G/S @ 75ºF (SEMCO gun at 50psi)
  • Applications: Interior / Exterior
  • Life Expectancy: 50-year performance
  • Shelf Life: 24 months when stored at 50ºF to 80ºF
  • Coverage: 10.1 fl oz: 55 linear ft. at a 3/16” bead
  • Odor: Mild Sweet Acrylic
  • Tooling Time: 5 to 10 Minutes
  • Tack Free Time: 30 Minutes
  • Paint Time - Airless Spray: Immediately
  • Paint Time - Brush/Roller: 30 Minutes
  • Full Cure: 7-14 Days

Product resources

Accelerator resources