Non-penetrating mounting system for pitched roofs
PMT FLAT DIRECT - Not possible, does not exist
PMT FLAT DIRECT is the ideal PV mounting system for pitched roofs such as gabled, monopitch, shed, barrel or butterfly roofs. With these pitched roof solar mounting systems, solar installations can be mounted on bitumen roofs as well as on foil or sandwich panels. The PV substructure is suitable as a non-penetrating solution for roof pitches of up to 30°.
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Broadly applicable
From bitumen roofs to foils or sandwich panels - this pitched roof PV substructure impresses with its universal range of applications for pitched, monopitch, shed, barrel or butterfly roofs.
technical data Non-penetrative
The ridge coupling or ridge connection of our pitched roof PV mounting systems enables installation without penetrating the roof. The system offers maximum safety for roof pitches of up to 30°.
Product features
With PMT FLAT DIRECT , PMT offers both safety and flexibility. In addition to the variable range of applications for the pitched roof PV mounting systems, the roof-penetration-free installation and stability speak for themselves. Discover further highlights of our pitched roof substructure for PV.
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Roof type
The pitched roof PV mounting systems are suitable for gable roofs, monopitch roofs and shed roofs (special projects possible).
Roof pitch
0° to 30°
Roof covering
Foil, bitumen, concrete, sandwich
Standard step size
Module length X + 160 mm from module front edge to module front edge (special projects possible). Please refer to the project report for details.
Weight
Low surface load from 1.25 kg/m², approx. 10.7 kg/m², substructure + module
Roof connection
Our pitched roof PV substructure can be installed without penetrating the roof.
Minimum arrangement
2 rows of 3 modules each, or 3 rows of 2 modules each
Material
We only use high-quality aluminium EN-AW-6063-T3 and stainless steel A2-70 for our pitched roof PV mounting systems. No galvanized components or plastics are used.
PV module suitability
All standard PV module sizes are suitable for the pitched roof solar mounting system: Width: 980-1050 mm (1220 mm: on request), Length: 1630-1870 mm (2110 mm*), Height: 30-50 mm
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FAQ
Frequently asked questions
What mounting options are available for the pitched roof PV mounting systems FLAT DIRECT ?
- Coupling of symmetrical system components via the roof high point
- Coupling via the roof high point - the opposite side is only formed with ballast.
- Single-sided installation by means of mechanical fastening over the ridge (e.g. shed roof) or fastening in the ridge area
On which roof covering is it possible to install PMT FLAT DIRECT ?
PMT FLAT DIRECT is the ideal pitched roof PV mounting system for all roof coverings. It can be mounted on all types of foil roofing, bitumen, all types of hard roofing (concrete, gravel and similar) as well as on insulated trapezoidal sheets (sandwich panels) without penetration.
What types of roof can PMT FLAT DIRECT be installed on?
Our pitched roof PV substructure can be installed on almost all common roof types. From pitched roofs and shed roofs to butterfly roofs, many roof types are possible. Special roof shapes such as barrel roofs and others are generally available on request.
What module dimensions are possible with our mounting systems?
With our standard vertical mounting system PMT FLAT DIRECT , modules with a maximum width of up to 1,050 mm and a maximum length of 2,110 mm can be installed. With a module width between 1,050 mm and 1,220 mm, a maximum module length of 1,870 mm is possible for a pitched roof solar mounting system.
Do I have to keep the gap between the modules?
The gap between the modules must be maintained in pitched roof PV mounting systems. This is a decisive factor in aerodynamics and has a significant influence on ballasting.
Can bricks with other dimensions also be installed?
Theoretically, all stone weights can be planned. Please note that our software PMT Plan uses the dimensions 40 x 40 x 4 cm and a weight of 15 kg per ballast stone as standard. If you use other stones, the stone height or stone thickness must not exceed 4 cm.
Where does the ballast go?
The ballast is attached to the base rails of the pitched roof PV mounting system in accordance with the project-specific ballast plan.
Can the system be connected to existing securties?
No, personal safety points or anchor points on the roof are not suitable for permanently supporting loads.
Is thermal separation necessary?
We recommend separation after 13 meters. Special projects are possible after consultation with PMT .
Is coupling possible in the eaves area?
Special projects with pitched roof PV mounting systems are checked on request by our internal sales department and our planning department. If a coupling is feasible, this will also be planned and offered.
Why were no rails with a length of 96 cm supplied, only rails with a length of 1860 mm?
The module rails of our pitched roof PV mounting systems are supplied in various standard dimensions and must be shortened on site. Please refer to the rail and cutting plan in the project report.
Is there a maximum field size, especially for coupled systems above the ridge?
We recommend a maximum field size of 13 x 13 meters. Special projects are possible after consultation with PMT .
What must be observed with coupled systems in areas of continuous rooflights?
Such projects must be fixed on site.
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