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70 Series Steel Thermal Break Casement Door

Constructed with imported high-quality cold-rolled steel, the structure boasts high strength, durability, and resistan

The thermal break insulation design ensures superior energy efficiency and environmental performance, far surpassing non-insulated steel windows.

Equipped with decorative sealing strips, it not only enhances the aesthetics but also prevents dust accumulation and makes cleaning easier.

The vintage-style handle, paired with optional decorative trims in various styles, highlights the beauty of both modern and retro architectural designs.

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Specifications of 70 Series Steel Thermal Break Casement Door


Opening type

Opening inward , opening outward,

Surface treatment

Utilizing automotive-grade fluorocarbon spray surface treatment, with a quality guarantee of over 15 years

Common color

Monument, black, white, available in special customized color

Aluminium Profile thickness

Main profile of 1.5mm

Thermal insulation design

GF30% PA66 Glass Fiber Reinforced Nylon + Polyurethane Thermal Insulation Sealing Strips

Sealing Strips Configuration

Using EPDM sealant strips to achieve better sealing performance

Glass configuration

Standard 6mm + 12A + 6mm Argon gas filled double glazed, optional total thickness up to 24 ~ 27mm Multi-Argon gas filled glazed

Combined U value

Minimum combined U value: 2.2 W/m2*K



Advantages of 70 Series Steel Thermal Break Casement Door


Advantages of 70 Series Steel Thermal Break Casement Door

Advantages of 70 Series Steel Thermal Break Casement Door

Advantages of 70 Series Steel Thermal Break Casement Door

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No.6 Jinquan 1st Road, Jimo District, Qingdao, CN
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No.6 Jinquan 1st Road, Jimo District, Qingdao, CN