Typical solutions
棚顶轻甲
Lightweight PV, roof-specific mounting and coordinated storage
An integrated approach for large-span, low-load roofs
Assess the roof before defining the system
Coal and material sheds often have long spans, curved roofs and limited spare load capacity. First review structural capacity, roof condition and profile, drainage and operating environment; then define the module layout, mounting method and maintenance routes.
Select fixing for the roof profile
Clamps may be assessed for standing-seam, angle-seam and low-seam metal roofs. Trapezoidal steel sheets may be assessed for combined adhesive and mechanical fixing. Fixing points, adhesive quantity and installation details must follow site pull-out tests, product requirements and engineering review; one detail should not be applied to every roof.
Plan from rooftop generation to site energy use
Grid-connected PV, or PV with storage, monitoring and energy management, can be considered against production shifts, the daily load profile and grid conditions. PV capacity, storage capacity and controls are determined from project data.
GALAXY lightweight PV building-material specifications
The models and figures below are reference data from the supplied presentation. Module weight is for the module itself; total additional roof load must also account for mounting hardware, cabling and construction conditions.
BMT-G3/088A · polymer waterproof roof
- Maximum power
- 380 W
- Module weight
- 5.6 kg/m²
- Dimensions
- 2335 × 777 × 3.5 mm
- Power per area
- 209 W/m²
- Reinforcing layer
- 1.6 mm strengthened glass
BMT-G4/088A · metal roof
- Maximum power
- 380 W
- Module weight
- 5.6 kg/m²
- Dimensions
- 2138 × 780 × 3.7 mm
- Power per area
- 228 W/m²
- Reinforcing layer
- 1.6 mm strengthened glass
BMT-G4/080A · metal roof
- Maximum power
- 570 W
- Module weight
- 7.2 kg/m²
- Dimensions
- 2208 × 1132 × 29 mm
- Power per area
- 228 W/m²
- Reinforcing layer
- 1.6 mm strengthened glass
The presentation reports a hail-impact test using a 25 mm, approximately 7–8 g ice ball at 23 m/s. Refer to the formal test documentation and latest datasheet for the specific model.
Common roof mounting approaches
Select the mounting approach according to roof profile, structure and site testing.
Standing-seam metal roofs
Use compatible clamps; verify seam type, clamp positions, waterproofing and drainage.
Angle-seam or low-seam roofs
Select clamps for the exact sheet profile and confirm compatibility with the roof seam.
Trapezoidal steel sheets
Assess adhesive plus mechanical fixing. Bonding areas and fixing details require site pull-out tests and technical approval.
Maintenance and safety access
Plan service routes around the PV array, roof ridge and perimeter, with safe access between roof and ground.
Grid-connected PV and PV with storage
The presentation lists the following configurations for a single coal-shed example as a starting point for discussion.
Grid-connected reference
800 kW PV, intended to serve daytime production demand. Final configuration depends on grid capacity and load data.
PV-plus-storage reference
800 kW PV + 832 kWh storage, illustrating a coordinated PV and storage peak-management configuration.
These are illustrative configurations from the presentation, not a design or quotation for a specific project. Its economic calculations use China-specific tariff and operating assumptions and do not represent Malaysian project returns. Recalculate against local tariffs, demand, taxes, grid rules and equipment costs.
Full solution presentation
Download the complete presentation for module specifications, roof mounting approaches, system examples and reference projects.
Download optimized PowerPoint (PPTX)PPTX · approx. 22 MB
Discuss a shed-roof project
Specifications and system configurations on this page are reference information from the supplied presentation. They are not a project design, equipment commitment or revenue guarantee. Final selection, load verification, mounting details, fire protection and grid requirements must be confirmed by the project engineering team against site conditions.
Project support & requirements