Mulberry 40601 Polyethylene Foam Energy Saving Insulating Gasket for 1-Gang Duplex

Mulberry 40601 Polyethylene Foam Energy Saving Insulating Gasket for 1-Gang Duplex

The Mulberry 40601 Polyethylene Foam Energy Saving Insulating Gasket is built for use with 1-Gang Duplex devices, giving electricians and facility teams a simple way to help cut down on air infiltration around outlets and switches. Made from lightweight polyethylene foam, the gasket fits behind the wallplate to help close small gaps that can let in drafts, dust, and moisture at a single-gang duplex opening. It's an economical, easy-to-install accessory for any residential or commercial job where energy efficiency and weatherization matter. The Mulberry 40601 pairs with standard 1-Gang Duplex receptacles and wallplates without requiring any special tools or hardware.

Key Features

• Configuration: Sized for 1-Gang Duplex devices, so it fits standard single-gang outlet and switch openings.
• Durable Construction: Polyethylene foam material is lightweight and flexible, allowing it to compress evenly behind the wallplate for a consistent seal.
• Energy Saving Design: Helps reduce air infiltration and drafts around the duplex opening, supporting better energy efficiency in the surrounding wall cavity.
• Simple Installation: Installs behind the device and wallplate on a standard 1-Gang Duplex opening with no special tools required.
• Economical Accessory: A low-cost way to add basic air-sealing to new or existing duplex receptacle and switch installations.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Residential and Commercial Wall Outlets
• Energy Efficiency and Weatherization Retrofits
• New Construction Electrical Installations
• Single-Gang Duplex Receptacle and Switch Openings
• General Air-Sealing Around Wiring Devices

Why Mulberry?

Mulberry designs practical, functional electrical accessories like the 40601 insulating gasket to help contractors and facility teams address everyday air-sealing needs at the device level. The polyethylene foam construction offers a straightforward, reliable way to complement standard 1-Gang Duplex devices in energy-conscious residential and commercial installations, making it a handy addition to any electrician's stock of wiring device accessories.