CHATTANOOGA 423-870-1515 | KNOXVILLE 865-938-0670



SKU: 403050 Categories: ,


BOSS? 378 RV Mobile Home Silicone is a one part acetoxy cure adhesive that is suitable for general construction sealing and adhesive applications. This product will adhere to clean metal-glass- many types of wood- silcone resins- vulcanized silicone rubber- ceramics and plastic surfaces. A primer may be required for optimum adhesion to some substrates.


  • Seal heating- ventilating or air conditioning duct work
  • Seal cracks or gaps around windows- vents- ducts- fixtures- lights
  • Seal cracks in interior walls and ceilings- door joints and fixtures
  • Seal electrical connectors and boxes to waterproof


  • VOC Compliant in all 50 states
  • Ease of use- one-part sealant- no mixing required
  • Good weatherability - virtually unaffected by sunlight- rain-snow- ozone- and temperature extremes
  • Good UV resistance and color stability
  • Long life reliability; cured sealant stays flexible without tearing- cracking- drying out- or becoming brittle.
  • With its non slump properties- can be used in horizontal joints in the vertical plane and can be used in overhead joints
  • Wide temperature gunnability; can be applied in any season

Additional information

Weight 0.5 lbs