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Finish your HVAC job right with DOWSIL sealant

DOWSIL HVAC-R/Plumbing sealant is a one-part, RTV, acetoxy-cure silicone sealant for heating, ventilation, air conditioning and refrigeration applications.


  • Heating, ventilation, air conditioning and refrigeration applications

  • On most glass, plastic, metal, painted surfaces, fiberglass and ceramic substrates

  • Sealing refrigerator and air conditioner interiors, around electrical boxes and equipment, and joints in food, dairy and beverage/coolers/display units

  • Forming watertight seals around outdoor vents, pipe openings and electrical penetrations when properly applied


  • Cures to 100% silicone rubber

  • Resistant to sunlight and weather extremes

  • Fast cure, high strength

  • Meets the requirements of FDA Regulation No. 21 CFR 177.2600

Contact Lentus today for all your DOWSIL sealant needs.

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