Application Scenarios and Solutions for Hollow LOW-E Glass

I. Product Overview

Hollow LOW-E Glass  = Tempered glass + LOW-E Coating +  Hollow aluminum spacer +  Desiccant +  Sealant

Core function: Reflects far-infrared radiation, blocks heat, reduces air-conditioning energy consumption, and enhances comfort. 。

 

II. Core Performance Parameters (Haibote Glass Standards)

Project	Indicator
Glass substrate	Float white glass / Ultra-white glass
LOW-E Type	Online LOW-E / Offline single silver / Double silver LOW-E
Cavity thickness	6A / 9A / 12A / 16A / 20A
Overall thickness	5+12A+5 、 6+12A+6 、 8+12A+8 、 10+12A+10 Wait
Visible light transmittance	30% ~ 70% (Customizable)
Shading coefficient SC	0.30 ~ 0.65
Heat transfer coefficient K Value	1.6 ~ 2.8 W/( square meter ·K)
Sound insulation performance	29 ~ 35 dB
Sealed structure	Double-seal system (butyl sealant) + Structural adhesive / Weather-resistant sealant)
Implementation Standard	GB/T 11944 Insulated glass; GB 15763.2 Tempered glass

 

III. Application Scenarios + Implementation Plan + Specific configuration parameters

1. Residential doors and windows /  Villa doors and windows

Scene : Balcony sliding doors, casement windows, floor-to-ceiling windows, sunrooms

Pain point : Sun exposure in summer, high air-conditioning costs, loud noise, and condensation in winter

Recommended Configuration

• 5mm Tempered white glass + 12A Hollow + 5mm Tempered LOW-E
• or 6mm Tempered + 12A + 6mm LOW-E
• LOW-E： Single Silver Offline LOW-E
• Colors: Light Blue, Light Gray, Natural Color, High-Transparency Type

Key parameters

• K Value: ≈1.8 ~ 2.2
• Soundproofing: ≈32dB
• Thermal insulation: Blocks infrared heat in summer.  50% The above
• Condensation prevention: Dew point temperature ≤-40℃

Applicable Regions

Priority given to Guangdong and the South China region. High-transmittance type LOW-E , without compromising natural light and delivering optimal energy-saving performance.

 

2. Office building /  Glass curtain wall of a commercial building

Scene : Hidden-frame curtain wall, exposed-frame curtain wall, semi-hidden-frame curtain wall

Demand : Uniform appearance, energy-efficient compliance, wind-pressure resistance, and excellent weatherability

Standard Engineering Configuration

• 8mm Tempered + 12A + 8mm Double silver LOW-E
• High-rise / Major sectors: 10mm+12A+10mm Double silver LOW-E
• Coating: Offline Double Silver LOW-E , uniform appearance with no color variation

Parameter

• Maximum panel size: Available 2500×3500mm
• Wind-pressure resistance: ≥6 level
• K Value: 1.6 ~ 1.9
• Warranty: Coating Layer 10 Does not oxidize over time.

Applicable : Landmark buildings, headquarters buildings, industrial parks, hospitals, and schools.

 

3. Hotel /  High-end apartment exterior windows &  Partition

Scene : Guest room exterior windows, corridor windows, and lobby partitions

Demand : Privacy, quietness, high-end, anti-glare

Configuration

• 6mm Tempered + 12A + 6mm LOW-E (Middle透 / Low permeability)
• If privacy is required: can be done.   Screen printing +LOW-E Hollow   or   Matte +LOW-E Hollow

Parameter

• Visible light transmittance: 40% ~ 50%
• Soundproofing: ≥33dB
• Appearance: Mirror finish; the interior is invisible from the outside.

 

4. Skylight /  Canopy /  Sunroom

Scene : Skylight roof, corridor canopy, rooftop garden

Pain point : Sun exposure, high temperatures, glare, safety hazards

Safety and Energy-Saving Solution (Laminated Glass Required) +LOW-E )

• Configuration: 6+1.52PVB+6 Laminated + 12A + 6mm LOW-E Tempered
• Structure: Laminated glass on top (fall‑prevention), LOW-E Inside (thermal insulation)

Parameter

• Security Level: PVB Laminated; does not delaminate upon breakage.
• Shading coefficient SC ：0.35 ~ 0.45
• Applicable span: 1.5m ~ 3.0m

 

5. Factory building /  Logistics Park /  Workshop doors and windows

Scene : Large-size industrial sliding windows, lift-up doors, and workshop partitions

Demand Economical, durable, energy-efficient, and well-ventilated

Economy configuration

• 5mm Tempered + 9A / 12A + 5mm Online LOW-E
• Colors: gray, green, blue

Parameter

• Low cost, high strength
• Suitable for large-area use
• Energy efficiency meets industrial building codes.

 

IV. Standard Configuration List for Haibote Glassware

1. 5+12A+5 Single silver LOW-E Hollow tempered ( Residential doors and windows, self-built houses, commercial storefront doors and windows )
2. 6+12A+6 Single silver LOW-E Hollow tempered ( Residential complex, villas, and low-to-mid-rise buildings—doors and windows )

3. 8+12A+8 Double silver LOW-E Hollow tempered ( Office building curtain walls, commercial façades )

4. 6+1.52PVB+6 + 12A + 6 LOW-E（ Skylights, canopies, and high-altitude guardrails )

5. 10+12A+10 Double silver LOW-E Hollow tempered ( Supertall curtain walls, large-panel glass )

 

V. Key Points for Construction and Installation

1. Window frame / Gap reserved for the keel : Each side 3 ~ 5mm Expansion joint

2. Shim : Hard rubber pads must be used; direct contact between glass and metal is prohibited.

3. Sealed : Neutral weather-resistant silicone sealant for exterior walls, with warranty. ≥10 year

4. Drainage Doors and windows / Curtain walls shall be provided with drainage holes to prevent water ingress and fogging in the insulating cavity.

5. Moving : Place vertically, with the coated side facing inward to prevent scratches. LOW-E Membrane layer

 

VI. Acceptance Criteria

• Cavity layer No fog, no dust, no condensation.
• LOW-E The membrane surface is free of scratches, color variations, and pinholes.
• The sealant is continuous and fully filled, with no gaps or breaks.
• Provided: Insulated glass certificate of conformity, tempered glass test report, LOW-E Membrane Performance Report