Two composite panels composed of two ribbed metal sheets insulated with polyurethane - monolithic, self-supporting, insulating and resistant.
TWIN® and TWIN® DG panels have a highly aesthetical design and are used for pitched roofs with a minimum slope of 7%; they can be installed on every kind of bearing structure.
They can also be mounted as wall element.
They are very practical and modular with easy assembly (the wall can be assembled without secondary structure, while the roofing can be assembled with reduction of the secondary structure).
They only differ as far as mechanical performances are concerned.

Rationalization of transport and storage
The double parallel ribs of TWIN® and TWIN® DG allow formation of compact packs which make full use of the load capacity of the transport and storage facilities, improving it by about 30%

Quicker and safer installation
Thanks to the exclusive conformity of the TWIN® and TWIN® DG panels as well as their special packaging, difficult operations of tilting at required height of the panels are avoided. Such advantage greatly simplifies the installation operations making them quicker and safer.

Increased load capacity
The double parallel ribbed metal sheet improves the mechanical performance and resistance to loads. The TWIN® DG panels can be installed on wider spans, with consequent considerable reduction of costs and installation times of the load-bearing structures.

TABLE OF SAFE SPANS
Values guaranteed with steel sheets, thickness 0.5 + 0.5 mm. for the version TWIN® DG. The spans l in metres, as a function of a uniformly distributed load p (daN/m2), have been obtained from tests carried out in Metecno laboratories and calculated to provide a deflection limit: f <= l/200 of the span and a minimum safety coefficient that complies with the UEAtc standards for insulated panels, which have been established and are implemented by primary European Certifying Organizations.

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