top of page

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.

Screenshot 2026-09-14 at 11.28.02 PM.png

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.

⚙️

OMNI POWDER COAT

Available powder coat finishes provide additional appearance options for coordinating the rolling door with the surrounding facility.

🛡️

HEAVY-DUTY BOTTOM BAR

An available heavy-duty bottom bar provides increased durability for demanding commercial and industrial applications.

👁️

RAPID RESPONSE

Available Rapid Response technology can support faster reaction and enhanced protection during door operation.

🌡️

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.

INTERESTED IN THE THERMISER MAX® – LOW U?

Contact South Gate Commercial Doors & Accessories to learn more about Clopay® Thermiser Max® – Low U Insulated Doors and the right high-efficiency rolling-door solution for your commercial facility.

PROFESSIONAL COMMERCIAL DOOR SALES, INSTALLATION & SERVICE

bottom of page