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CATEGORY PRODUCTS
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CATEGORY INFORMATION
Structural Metal Purlins — Structural metal purlins form the substructure to which sandwich panels, sheets and other lightweight cladding are fixed. Their job is to take the loads from the roof or façade and transfer them to portal frames, beams or main members, so their sizing must be based on a structural calculation and the actual spacing between supports.
The choice of purlin also affects how the cladding is installed. The profile geometry, thickness, flange position and access to the fixing determine the fixings and how overlaps and junctions are made.
In this category you will find solutions for purlins for sandwich panels, metal roof profiles, C and Z purlins. The aim is to make it easier to choose the main product, the supporting structure, the accessories and the finishing details as a coherent whole, rather than deciding on each element in isolation.
The right solution depends on the type of building, the environment, the performance required and the geometry of the project. The most common applications include:
A purlin should never be chosen on nominal dimensions alone. The calculation must take into account span, loads, spacing, continuity, profile type, steel grade and support conditions. It is also important that the solution allows the panel to be fixed properly and that the purlin spacing matches the load tables for the cladding.
You should also check the technical data sheets for the specific model and make sure the chosen solution suits the actual site conditions. On projects with structural, thermal, acoustic or fire-protection requirements, the decision must be based on the relevant technical documentation and on the judgement of the project engineer.
To put together a complete solution you can look at roof sandwich panels, metal sheet, fixings for sandwich panels and installation accessories. These internal links let you compare related options and find the accessories you need to finish the installation properly.
A good result starts before the material arrives. Measuring accurately, preparing a logical cutting list, arranging unloading and lifting equipment and organising the installation in phases all help to reduce cuts, downtime and unnecessary handling. Coordinating panels, structure, trims and fixings is especially important when parts are made to specific lengths.
At PanelSandwich.org you can compare different product families and ask for advice on specifying the material according to the dimensions, quantities and needs of your project. Where needed, it helps to send drawings, photos or a sketch of the site so that the critical details can be checked more precisely.
For roof panels it is usually between 1 and 1.5 m, depending on the panel thickness and the snow and wind loads in the area. The exact spacing comes from the panel load tables and the structural calculation, which must be done by an engineer.
Yes, the same C and Z profiles are used. On roofs they carry the weight of the panel, snow and wind; on façades, mainly wind. That is why the spacing and section are calculated separately for each case.
The C purlin is used for single spans and on façades. The Z purlin can be lapped over the portal frames for continuity, which is why it is the usual choice on multi-span industrial roofs. Omega profiles are used for light supports and for fitting panels over an existing roof.
Tell us the dimensions, site location, type of application and the performance you need. You can also use the contact page to request a quote tailored to your project.
PERSONALISED QUOTE
Tell us the panel type, area, thickness, location and whether you need supply only or installation. We’ll review the details to prepare a tailored proposal.
SANDWICH PANEL SERVICE
In addition to the product, we can quote for flashing, fixings, sealing, skylights, transport and auxiliary equipment.
The final selection should consider use, thickness, spacing between supports, loads, exposure environment and project requirements.
Help choosing the panel, thickness, finish, fixings and flashing.
Transport coordinated according to lengths, quantities, destination and unloading.
Price tailored to the product, quantities, accessories, transport and installation.
Assessment of auxiliary equipment, flashings, junctions and work sequence.
OTHER CATEGORIES
Go straight to the main panel and sheet metal families available.
Residential finish for homes, porches and refurbishment.
Insulated panel for industrial, agricultural and residential roofs.
Vertical cladding with visible or concealed screws.
Agropanel for livestock and agricultural environments.
Solution for cold rooms and temperature-controlled spaces.
Options with specific fire and acoustic performance.
Insulation and a natural decorative look.
Lightweight profiles for roofs and enclosures.
ON-SITE SERVICE
We quote for new builds, refurbishment, roof and facade replacement, flashing installation, and work with sheet metal or skylights.
The quote depends on geometry, height, access, auxiliary equipment, location, fixings and junctions the job must resolve.
