The Best Way to Seal around an Electrical Box!

Box Shell makes your junction boxes air tight.

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We just added FREE SHIPPING to orders over $100.00

Just because WE LOVE YOU !!!!

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Check out the article about us at GreenBuildingAdvisor.com!

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Whether you are a commercial contractor, home contractor or simply doing your own home remodel, BOX SHELL electrical junction box insulators will ensure your walls are insulated right.

Our product, the BOX SHELL, is a patent pending, inexpensive, and simple invention that easily creates an airtight insulation barrier around electrical junction boxes, eliminating the air and noise infiltration through walls. Check out our instructional videos, our How-To Guide, or our About Us page to learn more about us, and be sure to check out our BOX SHELL collection as well.

Thank you for visiting our site, and we hope you enjoy our product!

Going Green at BOX SHELL Made in the USA BOX SHELL

BOX SHELL is the BEST because:

Quick install
Made in the USA
Does NOT require an electrician to install
Installs after the electrical box has been mounted and rough wired
Seals around wires coming into the electrical junction box
INSULATES the usually empty space behind a box
Seals the gap between the box and the finished wall material
Completely ELIMINATES air infiltration around electrical junction boxes for an AIRTIGHT seal
Makes achieving your blower door tests quick and painless
Improves the performance and installation of the surrounding fiberglass insulation
NO caulk required for installation
NO tape required to seal to the wall vapor barrier or finished wall material
Made from natural recycled materials
SIMPLE, AFFORDABLE, and it WORKS.