Hunan Lianxin Chitai Intelligent Doors & Windows Co., Ltd.
| Application | Factory Industrial |
| Operation | Manual |
| Feature | Roof Ventilation Daylighting |
| Material | Aluminum |
| Skylight Type | Manual |
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Product Specification
| Application | Factory Industrial | Operation | Manual |
| Feature | Roof Ventilation Daylighting | Material | Aluminum |
| Skylight Type | Manual | ||
| High Light | Industrial Roof Skylight Large Span ，Aluminum Frame Factory Ventilation Skylight ，Daylighting Industrial Roof Skylight | ||
Choose the right industrial roof skylight by analysing building span, roof structure, opening sash size, ventilation requirements, glazing material, wind load and waterproofing details. This guide helps factory owners, contractors and engineers select the right factory skylight system.
Industrial skylights are not selected only by roof opening size. A complete factory roof skylight system includes glazing, frame structure, roof curb, drainage path, seals, fasteners and, where required, opening actuators and control panels.
Before selecting a skylight, define whether the project needs fixed daylighting, natural ventilation, heat release or a project-specific smoke and heat exhaust solution. Each function requires a different structural and control approach.
| Selection Item | What to Confirm | Why It Matters |
|---|---|---|
| Factory Building Span | 12 m, 18 m, 24 m, 36 m, 48 m or larger | Determines skylight layout, quantity, ventilation zones and continuous rooflight length. |
| Individual Opening Sash Size | Width, height, weight and opening direction of each operable sash | This is the key factor for selecting chain actuators, spindle actuators or rack linkage systems. |
| Roof Type | Metal roof, standing seam roof, steel roof deck, concrete roof or custom roof system | Determines curb design, flashing method, fastener type and waterproofing detail. |
| Skylight Type | Linear skylight, ridge skylight, barrel vault rooflight or flat roof skylight | Different skylight structures use different frame profiles, drainage paths and opening mechanisms. |
| Glazing Material | FRP, multiwall polycarbonate, solid polycarbonate or insulated glass | Material affects daylighting, weight, impact resistance, thermal performance and actuator load. |
| Opening Function | Fixed, manual opening, electric ventilation or smoke-control opening | Daily ventilation and smoke extraction require different actuator, control and compliance solutions. |
| Wind and Snow Load | Building height, roof zone, location, wind pressure and snow conditions | These loads influence frame sections, glazing support spacing, fasteners and actuator force. |
| Waterproofing Method | Roof pitch, curb height, flashing overlap, drainage direction and seals | Waterproof performance depends on the full roof interface, not only on sealant. |
| Control System | Wall switch, remote control, rain sensor, temperature control, BMS or fire alarm interface | Large industrial skylight systems should be divided into independent control zones. |
| Opening Sash Width | Recommended Actuator | Typical Application | Selection Focus |
|---|---|---|---|
| Up to 1.0 m | Single chain actuator or manual crank | Small, lightweight FRP or polycarbonate roof vents | Check sash weight, hinge layout, seal resistance and required opening stroke. |
| 1.0–1.5 m | Heavy-duty single chain actuator or single spindle actuator | Small to medium operable linear skylight modules | Review wind suction, opening angle and daily operating frequency. |
| 1.5–2.5 m | Dual chain actuators, dual spindle actuators or synchronized system | Medium-width industrial roof ventilation skylights | Two opening points reduce sash twist, uneven movement and long-term binding. |
| 2.5–4.0 m | Heavy-duty spindle actuator, linear actuator or linkage mechanism | Large linear skylight vents and heavier insulated rooflight sashes | Calculate self-weight, wind load, snow load, structural stiffness and service access. |
| Over 4.0 m | Rack linkage, multi-point actuator system or divided sash design | Large-span rooflights, long ventilation strips and industrial heat-release projects | Do not rely on one opening point. Divide the skylight into standard modules and control zones. |
Factory span influences the total number of skylights and the ventilation area required, but it does not directly determine the actuator. The actuator is selected for each opening sash, not for the full building width.
Wide or heavy sashes should use dual actuators, multi-point linkage or divided opening sections. This improves load distribution and reduces the risk of twisting, binding and uneven seal compression.
The actuator must overcome more than the weight of the opening sash. It should be selected with sufficient reserve force for real operating conditions.
Fixed rooflights or limited opening modules bring daylight to storage aisles and loading areas while supporting basic roof ventilation.
Operable linear skylights can be used as part of a high-level heat-release strategy, combined with planned low-level fresh-air intake.
Multiple continuous rooflight zones can provide daylighting over large warehouse floors, with independent controls for each building area.
Replace aged FRP rooflight strips or damaged roof glazing with upgraded industrial skylight modules and improved roof waterproofing details.
Review building span, roof structure, skylight layout, opening sash size, glazing material, wind and snow loads, ventilation targets and any smoke-control requirement.
Not necessarily. Large buildings often need more skylight modules or longer skylight runs, but each operable sash should remain within a practical structural and actuator range.
Use a single chain actuator for relatively small and lightweight roof vents after confirming sash weight, wind load, opening stroke and hinge geometry.
Dual actuators create two opening points, reducing sash twist, uneven movement and binding during daily operation.
Choose spindle or linear actuators for heavier rooflight sashes, longer opening strokes, higher wind loads or larger industrial ventilation modules.
No. Smoke extraction requires a complete project-specific system designed for applicable fire, control, power and approval requirements.
FRP is often used for economical daylighting, polycarbonate offers impact resistance, and insulated glass can provide higher thermal and visual performance. Selection depends on the project.
Use correct curb construction, roof flashing, drainage paths, expansion details, seals and compatible installation methods for the specific roof system.
Please provide roof drawings, building span, roof type, roof pitch, skylight dimensions, wind and snow conditions, glazing preference and ventilation or smoke-control requirements.
Inspect glazing, drainage, seals, roof connections and opening systems regularly, with additional checks after severe weather or heavy roof loading.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2004
Total Annual:
1000-5000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Company Introduction Hunan Lianxin Chitai Intelligent Doors & Windows Co., Ltd. is a manufacturer specializing in the research, development, production, sales, and service of intelligent doors and windows. Established in 2010, the company evolved from Changsha Lianxin Door Industry Processing... Company Introduction Hunan Lianxin Chitai Intelligent Doors & Windows Co., Ltd. is a manufacturer specializing in the research, development, production, sales, and service of intelligent doors and windows. Established in 2010, the company evolved from Changsha Lianxin Door Industry Processing...
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