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Garage roofing: T18 sheets, T35 sheets or sandwich panels?

The choice of garage roof covering depends primarily on whether the garage is heated, not on the price per square metre alone. Check the roof pitch, support spacing and snow and wind loads, as these parameters determine whether a given option is permissible. In a cold garage, condensation and efficient ventilation are often key; in a heated one, the entire building envelope matters. Leave the final decision on the profile or panel to the designer, because roofs that look similar from outside may have a completely different cross-section.

By |2026-11-14T18:55:56+01:002023-01-02|Technology and applications|Comments Off on Garage roofing: T18 sheets, T35 sheets or sandwich panels?
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Installing T18 and T35 trapezoidal steel roof sheets

Installation of T18 and T35 trapezoidal sheeting begins with checking the structure, roof geometry and profile documentation, not with laying the sheets themselves. Before the material is taken onto the roof, the dimensions, diagonals, eaves line and support positions must be verified, because T18 and T35 do not share a single support spacing or screw count. The key decision variable is whether the existing frame matches the load-bearing capacity of the chosen profile as stated in the design; this determines whether installation may proceed, rather than a generic recommendation.

By |2026-11-15T02:34:30+01:002022-09-30|Technology and applications|Comments Off on Installing T18 and T35 trapezoidal steel roof sheets
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T18 or T35: how to choose trapezoidal steel sheet for a roof

The choice between T18 and T35 does not follow from the profile number alone but from the data for the specific roof. Before buying, compare the load tables, covering width, coating and slope requirements. Check whether the chosen variant is intended for roofing rather than cladding, and whether, when extending an old covering, the lap will match the existing sheet. Leave the final decision on profile, steel thickness and support spacing to the designer, because the number alone does not determine load capacity.

By |2026-11-14T22:28:07+01:002022-07-22|Technology and applications|Comments Off on T18 or T35: how to choose trapezoidal steel sheet for a roof
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Trapezoidal steel sheets for cladding and structural use: how their roles differ

Trapezoidal sheeting serves one of two functions in a building: protective or structural, and the choice between them depends on whether it is to carry loads between supports or merely close the partition against the weather. It is worth checking the documentation for the specific profile, because the name T18 or T35 alone does not determine its use. Differences in steel thickness and rib shape affect load capacity, but only the design establishes whether a given sheet may work as a load-bearing element. The selection decision is left to the designer.

By |2026-11-14T22:29:02+01:002022-05-10|Technology and applications|Comments Off on Trapezoidal steel sheets for cladding and structural use: how their roles differ
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How is a four-sided hipped roof constructed?

You can recognise a hip roof by its four slopes and the absence of gable walls, but its construction and costs are determined above all by the building's plan. Before choosing the covering, check whether the slopes form two trapezoids and two triangles, or whether they meet at a single point on a square plan. Send the plan and sections to the contractor rather than relying on the colloquial name. Compare the sheet cutting layout, the length of the hips and the number of flashings, because the roof area alone is not enough for a reliable estimate.

By |2026-11-14T22:27:40+01:002022-03-07|Technology and applications|Comments Off on How is a four-sided hipped roof constructed?
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