Metal Roofing Fasteners Exposed Vs Concealed

Fastener problems exposed fastener systems put the integrity of your roofing structure in the hands of the fastener and the gasket which is the thin piece of material located between the head of the fastener and the metal panel this can lead to many issues such as.

Metal roofing fasteners exposed vs concealed.

Many metal roofs use exposed fasteners because it is the cheaper way to install a roof. Vertical panels in particular are often categorized by the type of fastening method used to attach them which is most often either using hidden concealed fasteners or using an exposed through fastened method. Metal roofs have two main connection strategies to the building below either concealed or exposed fastener systems. On the other hand using hidden fasteners can give you more peace of mind and your roof a longer life.

The absence of exposed fastening and concealed clip attachment lends itself to a much lower possibility of leakage as compared to the exposed fastener system which can require hundreds or even thousands of fasteners and rubber grommets that are subject to installation error and fatigue in service because they penetrate the weathering surface and pin the panel to the structure. All metal panels whether for commercial residential industrial or agricultural applications are attached to the structure using either fasteners clips or a combination of both that keep them in place. The two most common ways of attaching a metal roof to a structure are exposed fasteners and concealed fasteners. An analysis of exposed fasteners when installing an exposed fastener roof installers will drive self tapping screws through the metal.

Cost is the primary benefit of exposed fastener panels. Panels are usually a lighter gauge often 29 gauge 36 wide and easier quicker to install. So homeowners can take advantage of all the benefits of a metal roof at a more economical price point. The metal is held down with clips that are underneath the metal panels and then a special crimping tool is used to crimp down and lock the seams.

Exposed fastened panels use a screw or nail to secure the metal roofing to the roof deck or purlins whereby the nail or screw actually penetrates an area where two panels overlap. Exposed fastened panels use a screw or nail to secure the metal roofing to the roof deck or purlins whereby the nail or screw actually penetrates an area where two panels overlap. Because concealed fasteners are hidden below the metal roof sheeting they are not subjected to pounding weather patterns. Unlike concealed fastener systems standing seam metal roofing panels are made of interlocking metal panels that run the entire length of the roof.

Concealed metal roofing fastenerthe two most common ways of attaching a metal roof to a structure are exposed fasteners and concealed fasteners.