Installing wall sandwich panels begins with checking the substructure and the first element, which sets the direction for the entire façade. It is worth verifying the plane and width of supports, the position of rails, corners and opening frames, and whether the panel type, thickness, span and support layout match the design. Before placing the first panel, plan the base detail with support, trim and water drainage, and maintain continuity of insulation. Decisions on fixing, sealing and trims are left to the designer, as vertical and horizontal installation conditions may differ.

There is no single panel suitable for every building. A service outlet has different needs from a cold store and a sheltered warehouse. The choice is determined by the conditions on both sides of the building envelope. The core is important, but coatings, airtightness and details can be equally important. It is therefore worth starting with a description of the use, and only then comparing prices. A constant internal temperature increases the importance of the envelope's thermal insulation. For intermittent operation, the heating up and cooling down of the room must also be taken into account. It is not enough to choose a thin panel simply because the heating operates for a few hours. Comfort and the risk of condensation matter.

For a cold room, you do not choose a panel solely by the temperature shown on the thermostat. What matters is the conditions outside, door openings, the goods and the operating time. The thickness of the enclosure affects heat flow, but it is part of a larger balance. A freezer requires particularly careful joints as well as a floor and penetration solution. State the internal temperature and the ambient conditions. Determine whether the chamber stands inside a building or is itself an external structure. The quantity of goods introduced, their temperature and the frequency of door openings are significant. A small chamber with constant door traffic may have a different balance from a larger one that is rarely opened.

It is not possible to honestly identify a single cheapest place for all orders. The price depends on the variant, quantity, length and delivery. For a small batch, transport can reverse the comparison result. First, the right material must be determined. Then calculate the cost of obtaining a finished wall or roof area from two realistic offers. The price may refer to a square metre of covering, nominal area or a metre of length. Without this information, the numbers are not comparable. A panel with a module of 1.14 m has 1.14 m² of covering per metre of length. To convert a price per linear metre to m², divide it by 1.14.