A folding roof of roll or sheet steel is built. The compounds of the elements are made in the form of folds, which are considered the most reliable way to fasten the metal roof. Falts connection avoids leaks and for a long time does not require repair. The main advantage is the tightness of the roof.
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The creation of the roof is performed by attaching sheets to the crate using the Klyammers. Connecting elements are located under the surface of the sheet, so there are no holes. Klyammers with the edge of the sheet are wrapped in a fold (castle) with a special device.
The use of folding joints provides the possibility of creating complex profiles without overhead elements. Rolled material allows you to cover the roof with a single layer, separate sheets are connected with standing folds. This roof looks good in any architectural solutions.
Falts coating is arranged in a crate with a step B25 cm. The small pitch size will avoid the deflection of the sheets. The continuous base is equipped when connecting sheets with the cornice and gutter. The optimal slope of the metal roof is more than 10%. Laying waterproofing above the rafters will prevent premature corrosion of the metal coating.