CLOPAY® HIGH-PERFORMANCE INSULATED DOORS
THERMISER MAX® – LOW U INSULATED DOOR
Clopay® Thermiser Max® – Low U is engineered for superior thermal performance, combining an insulated curtain, patented perimeter sealing system, and thermally broken components to help maximize environmental separation in demanding commercial facilities.

U-FACTOR OF 0.532
THERMALLY BROKEN DESIGN
ADVANCED CLIMATE CONTROL
THERMISER MAX® – LOW U INSULATED DOOR
MODEL & THERMAL PERFORMANCE
Clopay® Thermiser Max® – Low U is engineered for demanding climate-controlled environments using an insulated curtain, patented perimeter sealing system, and thermally broken components to provide superior thermal performance.
MODEL
CESD40
LOW-U INSULATED ROLLING DOOR
COMMERCIAL & INDUSTRIAL USE
THERMAL PERFORMANCE
U-FACTOR: 0.532
COMPLETE DOOR ASSEMBLY
THIRD-PARTY TESTED
THERMAL DESIGN
INSULATED CURTAIN
THERMALLY BROKEN GUIDE
PATENTED PERIMETER SEAL
DAILY PERFORMANCE
UP TO 20 CYCLES PER DAY
50,000 LIFETIME CYCLES
CLIMATE-CONTROLLED APPLICATIONS
Performance values apply to the complete door assembly as specified by Clopay. Available dimensions, materials, finishes, and configurations vary by project requirements.
THERMISER MAX® – LOW U OPTIONS
CONFIGURE YOUR LOW-U DOOR
Thermiser Max® – Low U can be configured with finish, protection, and performance options to meet the requirements of demanding climate-controlled commercial and industrial facilities.
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OMNI POWDER COAT
Available powder coat finishes provide additional appearance options for coordinating the rolling door with the surrounding facility.
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HEAVY-DUTY BOTTOM BAR
An available heavy-duty bottom bar provides increased durability for demanding commercial and industrial applications.
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RAPID RESPONSE
Available Rapid Response technology can support faster reaction and enhanced protection during door operation.
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ROLLING DOOR PROTECTOR
Available Rolling Door Protector technology provides additional protection for the rolling door system in demanding applications.
THERMISER MAX® – LOW U INSULATED DOOR
BUILT FOR MAXIMUM EFFICIENCY
Thermiser Max® – Low U combines an insulated curtain, thermally broken components, and a patented perimeter sealing system to deliver superior thermal performance for demanding climate-controlled facilities.
LOW U-FACTOR
A complete assembly U-factor of 0.532 provides superior thermal performance for demanding commercial and industrial environments.
THERMAL BREAK DESIGN
Thermally broken guides help reduce heat transfer through the door assembly and improve environmental separation.
PERIMETER SEALING
A patented perimeter sealing system helps create a more effective barrier between conditioned and surrounding environments.
CLIMATE CONTROL
Advanced insulated construction supports facilities where temperature control and energy efficiency are important considerations.