Although corrugated sheeting is consistently a popular finish for barns and industrial-style projects, there’s a whole range of metal cladding systems these days to match different needs – from new building surfacing to existing structure upgrades.
In any case, metal cladding must be performed by no less than a specialist contractor. It’s crucial that the site team pays keen attention to such elements such as air tightness lapping joints, flashings and the like to guarantee a well-functioning and user-friendly weatherproof covering. The following are the primary routes:
As the name implies, this type of cladding is put together on site. It generally comes with four major parts: a thin internal liner for sealing; insulation (mineral wool in most cases); spacer bars or brackets to stabilize the finish; and the outward facing sheet, which offers weather protection.
Excellent workmanship is the secret to the success of this metal cladding system, in terms of aesthetics as well as performance.
These prefab cladding elements are brought to site as complete panels, making installation quick and easy, though you still need a specialist contractor to do the work. They are made with an insulating foam core, mainly of high-quality polyisocyanurate (PIR), which adheres instantly to the external and internal skins.
You can select between profiled or flat facings in a wide range of colors and coatings, and the panels will be either screwed in place or fixed behind the scenes for a flawless look.
As with composites, these cladding panels have insulation as well as liners out of the box. The biggest difference is that they have user-friendly interlocking jointing systems that allow speedy installation.
Using this system, there are no visible mechanical metal sheet fasteners. Instead, it uses a unique weathertight clipped joint, producing a characteristic projecting seam that may be diagonal, horizontal or vertical. With this type of cladding, you get either pre-insulated panels or sheets of material that are assembled and crimped on site before it is applied to plywood or any homogeneous substrate.
The advantage of the second method is that it offers a lot of freedom of expression in design, including curves and special features like unbroken finishes on walls and roofs. However, you need to bear in mind that it needs a a lot more expertise on site.
Metal cladding can also be made in rainscreen format, in which case, the outer face is lightweight and bears no load. It’s has an airtight and insulated backing but kept separate from this primary structure by way of a ventilated cavity that safely drains moisture away. Rainscreen cladding lowers the risk of condensation, which makes it a great option for those who want to upgrade existing structures with maximum design flexibility.