The answer to 'difference between roof decking' is that roof decking refers to the structural sheathing that is installed on top of the roof framing, while roof shingles or tiles are the outermost layer that provides weather protection. Roof decking is typically made from plywood, oriented strand board (OSB), or sometimes solid wood boards, and it provides a stable base for the roofing materials. The type of roof decking used can impact the overall strength, durability, and insulation properties of the roof assembly.
Roof decking is an essential component of a roof system, as it transfers the weight of the roofing materials, snow, and other loads to the roof framing below. It also provides a surface for the roofing materials to be fastened to, ensuring a secure and weathertight installation. The choice of roof decking material can also affect the overall cost and installation time of a roofing project.