Lessco
Lessco Utility Box
Description
A preformed airtight enclosure designed to seal electrical boxes within the building envelope. Lessco Utility Box creates a controlled cavity for outlets and switches, preserving the continuity of the air barrier without compromise.
Installed behind the finish layer, it isolates the utility box from the wall assembly. Integrated cable entry points maintain tight seals around wiring, eliminating one of the most common sources of air leakage.
Dimensions
6 1/2” x 7 1/2” | Box is 2.9” deep
Uses
Electrical outlets and switch boxes. Interior wall assemblies requiring continuous airtightness. Suitable for high performance new construction and retrofit.
Why it works?
The sealed enclosure prevents air movement through electrical boxes, while flexible entry points maintain airtightness around cables. Continuity is maintained across the entire assembly.
About Lessco
Founded in Germany, Pro Clima is known for its rigorous approach to airtightness and moisture management. Their systems are designed as complete assemblies, where each layer works in concert to protect the structure and support indoor air quality. With a focus on building science, durability, and low emission materials, Pro Clima has become a benchmark within high performance construction globally.
Sustainability Details
Durable construction designed for long term performance and reduced rework. Supports energy efficient buildings by limiting uncontrolled air leakage.
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About Lessco
Founded in Germany, Pro Clima is known for its rigorous approach to airtightness and moisture management. Their systems are designed as complete assemblies, where each layer works in concert to protect the structure and support indoor air quality. With a focus on building science, durability, and low emission materials, Pro Clima has become a benchmark within high performance construction globally.
Sustainability Details
Durable construction designed for long term performance and reduced rework. Supports energy efficient buildings by limiting uncontrolled air leakage.
Description
A preformed airtight enclosure designed to seal electrical boxes within the building envelope. Lessco Utility Box creates a controlled cavity for outlets and switches, preserving the continuity of the air barrier without compromise.
Installed behind the finish layer, it isolates the utility box from the wall assembly. Integrated cable entry points maintain tight seals around wiring, eliminating one of the most common sources of air leakage.
Dimensions
6 1/2” x 7 1/2” | Box is 2.9” deep
Uses
Electrical outlets and switch boxes. Interior wall assemblies requiring continuous airtightness. Suitable for high performance new construction and retrofit.
Why it works?
The sealed enclosure prevents air movement through electrical boxes, while flexible entry points maintain airtightness around cables. Continuity is maintained across the entire assembly.
