Columbus Roofing: Article About Accurate Roofing Fastener Application
Columbus roofing professionals use a handful of critical fastening tools to complete each project. From roofing cement to basic nails, these strong connectors keep a rooftop stable through decades of stormy days. When homeowners choose a reputable contractor to replace or service their rooftop, proper fastener application must be inherent to the work. Homeowners should have a good understanding of fastener applications to know a property is being serviced with expertise.
Although staples work for a host of other construction applications, these fasteners shouldn't be used to secure shingles. Even the underlayment below is better served when windstrips or cap nails are applied instead of staples. Nails must be long enough to pierce all shingle and underlayment layers with the point just barely showing through the decking below. Staples don't have these long shafts and easily pull out under high wind or low pressure stresses.
A common issue plaguing new roof installations is overdriven nails. Contractors use air or pneumatic tools to quickly affix nails to materials. If the tool's torque isn't set correctly, nails can be forced too far into the shingle. Nails should only be flush with the material's surface.
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Being overdriven means the shingle now has a slight low lying area across it, creating unnecessary stress to the section.
Inexperienced roofers could be concerned about overdriven nails and fail to add them correctly because of too little torque. Under driven nails hover above a shingle, forming an umbrella shape to the area. Shingles easily loosen at these areas as they flap in the wind. Although shingles have self sealing adhesive strips, these areas cannot hold materials under severe winds or rain. Contractors must drive the nails into the rooftop until they comfortably meet the shingle's surface.
When homeowners are installing a metal rooftop, nails aren't the best fastener type. Screws hold these materials better because of their threads. Metal panels held by properly torqued screws remain in place even during the harshest weather. Threads grasp support beams below the panels to keep the entire installation stable for years.
For areas with consistent wind uplift, contractors may add even more fasteners to a shingle installation. Six nails instead of four fasteners might be used, for example. Roofing cement could be added to shingle tabs to provide even more resistance against blow off. If homeowners have any questions about their installation, they're always welcome to ask the project manager for more details. Understanding the property's unique roofing needs only benefits homeowners in the long run.