Overview
Himake Type Broken Bridge is a specialized aluminum alloy profile designed for construction applications where thermal insulation is critical. The 'broken bridge' refers to the thermal barrier created within the aluminum frame, typically using polyamide strips or other insulating materials. This technology significantly reduces heat transfer between interior and exterior environments, making it particularly valuable in energy-efficient building designs. The Himake variant is known for its balanced performance in thermal insulation, structural strength, and cost-effectiveness.
Structure and Working Principle
The Himake Type Broken Bridge profile consists of two separate aluminum sections connected by a thermal break material. This design creates a barrier that interrupts the thermal conductivity path while maintaining structural integrity. The working principle relies on the low thermal conductivity of the insulating material (usually polyamide) that separates the interior and exterior aluminum components. This separation reduces heat transfer by up to 60% compared to solid aluminum profiles, while still providing the strength and durability benefits of aluminum framing.
Key Features
Himake Type Broken Bridge profiles offer several distinctive features. The thermal insulation performance typically achieves a U-value between 1.4-2.0 W/(m²·K), meeting most energy efficiency standards. The profiles also provide excellent sound insulation, reducing noise transmission by 30-40 dB. Durability is another key advantage, with the aluminum alloy offering corrosion resistance and a service life exceeding 30 years. The profiles maintain dimensional stability across temperature variations and can be finished with various surface treatments including anodizing, powder coating, or wood grain effects.
Application Areas
The primary application of Himake Type Broken Bridge is in window and door systems for residential, commercial, and institutional buildings. It's particularly suitable for projects requiring energy efficiency certification such as LEED or BREEAM. Other applications include curtain wall systems, sliding doors, and special architectural elements where thermal performance is critical. The profiles are widely used in both new construction and retrofit projects across various climate zones, from cold northern regions to hot southern areas.
Maintenance and Precautions
Proper maintenance ensures long-term performance of Himake Type Broken Bridge systems. Regular cleaning with mild detergent and soft cloth is recommended, avoiding abrasive cleaners that might damage surface treatments. During installation, special care must be taken to maintain the integrity of the thermal break. Improper handling can compromise insulation performance. The profiles should be stored horizontally on wooden supports before installation to prevent deformation, and all cutting and drilling should be done with appropriate tools to avoid damaging the thermal barrier.
B2B Procurement Guide
When procuring Himake Type Broken Bridge profiles, verify the thermal performance certifications and request test reports for U-values. Check the alloy composition (typically 6063-T5 or 6061-T6) and the quality of the thermal break material. Consider the full system compatibility including gaskets and hardware. For large projects, request samples and consider visiting the manufacturer's facility to assess production capabilities. Lead times typically range from 2-6 weeks depending on order volume and customization requirements.
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