Exposed fastener metal roofs are easy to install. The fact that they are also long lasting and easy to maintain makes them irresistible to most homeowners. However, mistakes made during installation can erode the durability advantage that these roofs have. They can also expose your home to water damage. The following are exposed fastener roof installation tips that will help you not only protect your home from water damage but also extend the lifespan of your roof.
Using an abrasive blade to cut the panels
Abrasive blades usually result in rough cuts. When used in cutting exposed fastener metal roofs, the rough metallic edges that the abrasive blades leave are usually vulnerable to rust that then damages the look of the roof. There is also the fact that during the cutting process, the abrasive nature of these blades usually leads to the production of metal fillings. These fillings sometimes get stuck in the roof's paint, and when they get exposed to weather elements, they rust and thus cause ugly rust marks on the roof.
Instead of using an abrasive blade, opt for shears. They usually make smoother cuts, something that usually goes a long way towards preventing rust problems. You can also avoid the cutting process altogether by ordering the panels in ready-to-fit sizes. This will not only help to make installation easier but also prevent most of the cutting-related rust problems.
Placing the fasteners in the rib section
When screwing the exposed fastener roof panels, you should avoid installing the screws on the ribs. This is because the distance between the top of the roof's rib and the plywood deck is longer than that between the flat section and the deck. As a result, placing the screws in the rib section will leave a large length of the screw exposed. The screw is therefore easy to get snapped when the roof moves due to thermal expansion since the roof has a longer "arm" on which to exert the snapping pressure. There is also the fact that installing the screws on the ribs increases the risks of crushing the ribs of the panels. The deformation that results from this is usually enough to not only damage the look of the roof but also encourage the formation of pools of water, something that increases the risks of roof water leaks.
Use the flat sections of the exposed fastener metal roof when screwing the panels in place. The small distance between the flat section and the deck will guarantee a shorter exposed screw shaft. This will make it harder for the expansion and contraction of the roof to snap the screws. It will prevent premature repairs and thus make owning such a roof not only less expensive but also stress-free.Share