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#1 Source in low voltage wire and cable. Call us today to learn more about special offers.
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.

Vapor Barrier Box w/ Adjustable Steel Bracket - Double Drywall - Ceiling Fan/Fixtures - New Construction, 5 Pack

Various lead times may apply to this product. Please contact us for more details.
UL Listed Made in USA

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Double Drywall Vapor Barrier box for ceiling fans/fixtures

Our heavy duty double drywall vapor barrier box supports mounting ceiling fans or fixtures and comes with an adjustable steel bracket to support installations that require heavy-duty support. This product is a vapor barrier product which means it adds extra insulation to installations by preventing air infiltration to installation holes when mounted securely the gasket on this product seals of any unwanted cracks or slots that air may leak through into the installation room. The vapor barrier will help maintain room temperature and not leak in cool or warm air from outside sources.

Installation of this product is fast and when complete creates a secure hold for new construction. This product will mount to wood joists with captive installation screws, and it ships ready to install.



  • Non-metallic, non-conductive box, with fully adjustable steel bracket
  • Position box anywhere along bracket
  • Captive installation screws, mud cover, NM cable connector, additional gasket material for knockouts
  • UL Listed in US and Canada

What's in the Box

What's in the Box

 Item DIm A  Dim B  Dim C
FBR425F 19.5" 5.125" 5.125"
  • 5 Pack - Double Drywall Plastic Vapor Box with Adjustable Steel Bracket for Fan/Fixtures - For New Construction