TOP GUN® 350 100% Silicone Sealant


10 oz/300 mL (EA)

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Product Details

TOP GUN® 350 100% Silicone Sealant is an all-purpose, one component, acetoxy cure sealant ideal for indoor/outdoor use. It provides a watertight, flexible seal that won’t crack, crumble or shrink.


  • Watertight Seal
  • Long-Lasting Flexibility
  • Minimal Shrinkage

Area Preparation

Surface to be caulked must be dry and free of all dirt, dust, oil, mildew, loose paint, old sealant or other contaminants. Bare surfaces should be primed before caulking.

Application Details

Surface must be at least 5ºF (3ºC) above the dew point. Cut nozzle at a 45º angle. Cured bead should be between 1/8” and 1/2”. Puncture inner foil seal. Use a non-gassing foam backer rod or bond breaker tape to avoid 3 point adhesion. Smooth bead with finishing tool if necessary. Clean up excess uncured sealant from surface and tools with mineral spirits. Excess cured sealant must be cut or scraped away.

Drying Time

24 hours @ 70ºF / 50% relative humidity (Expect longer dry times at lower temperatures and higher relative humidity.) Sealant will not cure in totally confined areas. Not Paintable


3/16” x 1/4” bead - 57 linear feet per tube. Cured sealant must be cut or scraped away.


Remove excess uncured sealant from surfaces and tools with mineral spirits. Wash hands with soap and water. Cured sealant must be cut or scraped away.

Product Warning

WARNING! If you scrape, sand, or remove old paint, you may release lead dust or fumes. LEAD IS TOXIC. EXPOSURE TO LEAD DUST OR FUMES CAN CAUSE SERIOUS ILLNESS, SUCH AS BRAIN DAMAGE, ESPECIALLY IN CHILDREN. PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE. Wear a properly fitted NIOSH-approved respirator and prevent skin contact to control lead exposure. Clean up carefully with a HEPA vacuum and a wet mop. Before you start, find out how to protect yourself and your family by contacting the USEPA National Lead Information Hotline at 1-800-424-LEAD or log on to Follow these instructions to control exposure to other hazardous substances that may be released during surface preparation.

Code Base Sizes Download
1419 Clear Finish 10 oz/300 mL (EA)
1419W Ready Mix White 10 oz/300 mL (EA)
C1419 Clear Finish 10 oz/300 mL (EA), 10 oz/300 mL (EA)
C1419W Ready Mix Custom Color 10 oz/300 mL (EA)
  • USGBC LEED® v4
  • CAGBC LEED® v4
  • CARB 2000 SCM
  • OTC
  • US National AIM
  • Canada National AIM