While inspecting their roof, most homeowners instinctively focus on their shingles. After all, shingles are the sign of a solid roof, right? While shingles are undoubtedly important, they’re just one piece of the puzzle. The unsung hero of your home’s protection lies beneath them - an indispensable component that significantly influences the roof’s health and longevity. Roof decking.
As a homeowner, understanding your roof deck’s purpose, its signs of damage, and its importance can help you make informed decisions about your home. The more you understand about your roof’s anatomy and maintenance , the easier it is to maintain and get the most out of your roof’s lifespan. In fact, repairing or replacing decking during re-roofing can extend your roof’s lifespan by years.
Think of your home’s roof decking as the bedrock that supports the entire structure. It’s the layer underneath the shingles, covering the rafters. Often made from plywood, individual boards, or Oriented Strand Board (OSB), the decking fits over the rafters. This foundation is then fortified with an ice and water barrier, underlayment, and finally, shingles.
Though it’s not visible from the outside, its significance cannot be overstated. In the event of a leak, the roof deck could get saturated and stay damp for extended periods of time. This prolonged exposure to moisture can lead to decay, rendering the decking vulnerable and opening the door for more water to infiltrate through the attic. Untreated, the rotting wood can eventually compromise the entire structural integrity of your home. Neglected ventilation concerns can further expand the issue, contributing to wood decay.
During a re-roofing project, your contractor might present various decking material options such as plywood or OSB. It’s important to look beyond the price tag and consider which will best protect your home. Plywood stands above OSB due its higher density and improved moisture resistance. Additionally, employing top-tier underlayment like Certainteed RoofRunner will increase your roof’s durability and resilience.
So, remember, while shingles might steal the spotlight, your roof’s durability and longevity are rooted in its deck. Understanding its role, how to identify damage, and making timely repairs can ensure your property’s shield remains strong and reliable for years to come.
