For securing roof framing, what type of fastener provides the best strength?

Metal tie down straps offer the best strength for securing roof framing due to their ability to create a strong, stable connection between the roof and the wall system. These straps are designed to resist lateral forces, such as those from wind uplift, by distributing loads more effectively than other types of fasteners.

Unlike traditional nails or screws, which may pull out under severe conditions, metal tie down straps provide a continuous connection that enhances the structural integrity of the roof assembly. This is particularly important in areas prone to severe weather, as the use of tie-downs can significantly improve the resilience of the roof against high winds and other forces.

In contrast, while options like nails and wood screws can provide adequate fastening for many applications, they do not offer the same level of reinforcement against lateral forces and uplift as metal tie downs do. Regular carpentry nails, although commonly used, lack the durability under stress that metal straps provide, making them less suitable for critical structural connections in roof framing scenarios.